#-------------------------------------------------------------------------------
# inclusion of make stubs
-include mkfiles/0*.mk
-include mkfiles/*.mk
+include $(sort $(wildcard mkfiles/*.mk))
#-------------------------------------------------------------------------------
ALGORITHMS = $(BLOCK_CIPHERS) $(STREAM_CIPHERS) $(HASHES) $(PRNGS) $(MACS) \
AUTOASM_DIR = autoasm/$(BOARD_NAME)/#
AUTOASM_OPT = -S
CC = avr-gcc
-CSTD = c99
+CSTD = gnu99
SIZESTAT_FILE = sizestats.txt
void bigint_add_s(bigint_t* dest, const bigint_t* a, const bigint_t* b){
uint8_t s;
+ int8_t d = 0;
s = GET_SIGN(a)?2:0;
s |= GET_SIGN(b)?1:0;
switch(s){
case 0: /* both positive */
+ d = 1;
bigint_add_u(dest, a,b);
- SET_POS(dest);
break;
case 1: /* a positive, b negative */
+ d = bigint_cmp_u(a,b);
bigint_sub_u(dest, a, b);
break;
case 2: /* a negative, b positive */
+ d = bigint_cmp_u(b,a);
bigint_sub_u(dest, b, a);
break;
case 3: /* both negative */
+ d = -1;
bigint_add_u(dest, a, b);
- SET_NEG(dest);
break;
default: /* how can this happen?*/
break;
}
+ if(d<0){
+ SET_NEG(dest);
+ }else{
+ SET_POS(dest);
+ }
}
/******************************************************************************/
msg = (uint8_t*)msg + BLAKE_LARGE_BLOCKSIZE_B;
length_b -= BLAKE_LARGE_BLOCKSIZE;
}
- uint8_t buffer[128];
+ union {
+ uint8_t v8[128];
+ uint64_t v64[ 16];
+ } buffer;
uint64_t v[16];
uint64_t ctr;
ctr = ctx->counter*1024+length_b;
- memset(buffer, 0, 128);
- memcpy(buffer, msg, (length_b+7)/8);
- buffer[length_b/8] |= 0x80 >> (length_b&0x7);
- blake_large_changeendian(buffer, buffer);
+ memset(buffer.v8, 0, 128);
+ memcpy(buffer.v8, msg, (length_b+7)/8);
+ buffer.v8[length_b/8] |= 0x80 >> (length_b&0x7);
+ blake_large_changeendian(buffer.v8, buffer.v8);
blake_large_expand(v, ctx);
if(length_b>1024-128-2){
v[12] ^= ctr;
v[13] ^= ctr;
- blake_large_compress(v, buffer);
+ blake_large_compress(v, buffer.v8);
blake_large_collapse(ctx, v);
- memset(buffer, 0, 128-8);
+ memset(buffer.v8, 0, 128-8);
blake_large_expand(v, ctx);
} else {
if(length_b){
}
}
if(ctx->appendone)
- buffer[128-16-8] |= 0x01;
- *((uint64_t*)(&(buffer[128-8]))) = ctr;
- blake_large_compress(v, buffer);
+ buffer.v8[128-16-8] |= 0x01;
+ buffer.v64[15] = ctr;
+ blake_large_compress(v, buffer.v8);
blake_large_collapse(ctx, v);
}
msg = (uint8_t*)msg + BLAKE_SMALL_BLOCKSIZE_B;
length_b -= BLAKE_SMALL_BLOCKSIZE;
}
- uint8_t buffer[64];
+ union {
+ uint8_t v8[64];
+ uint32_t v32[16];
+ } buffer;
uint32_t v[16];
union {
uint64_t v64;
uint32_t v32[2];
}ctr;
ctr.v64 = ctx->counter*512+length_b;
- memset(buffer, 0, 64);
- memcpy(buffer, msg, (length_b+7)/8);
- buffer[length_b/8] |= 0x80 >> (length_b&0x7);
- blake_small_changeendian(buffer, buffer);
+ memset(buffer.v8, 0, 64);
+ memcpy(buffer.v8, msg, (length_b+7)/8);
+ buffer.v8[length_b/8] |= 0x80 >> (length_b&0x7);
+ blake_small_changeendian(buffer.v8, buffer.v8);
blake_small_expand(v, ctx);
if(length_b>512-64-2){
v[12] ^= ctr.v32[0];
v[13] ^= ctr.v32[0];
v[14] ^= ctr.v32[1];
v[15] ^= ctr.v32[1];
- blake_small_compress(v, buffer);
+ blake_small_compress(v, buffer.v8);
blake_small_collapse(ctx, v);
- memset(buffer, 0, 64-8);
+ memset(buffer.v8, 0, 64-8);
blake_small_expand(v, ctx);
}else{
if(length_b){
}
}
if(ctx->appendone)
- buffer[64-8-4] |= 0x01;
- *((uint32_t*)(&(buffer[64-8]))) = ctr.v32[1];
- *((uint32_t*)(&(buffer[64-4]))) = ctr.v32[0];
- blake_small_compress(v, buffer);
+ buffer.v8[64-8-4] |= 0x01;
+ buffer.v32[14] = ctr.v32[1];
+ buffer.v32[15] = ctr.v32[0];
+ blake_small_compress(v, buffer.v8);
blake_small_collapse(ctx, v);
}
}
void bmw_large_lastBlock(bmw_large_ctx_t* ctx, const void* block, uint16_t length_b){
- uint8_t buffer[128];
+ union {
+ uint8_t v8[128];
+ uint64_t v64[ 16];
+ } buffer;
while(length_b >= BMW_LARGE_BLOCKSIZE){
bmw_large_nextBlock(ctx, block);
length_b -= BMW_LARGE_BLOCKSIZE;
block = (uint8_t*)block + BMW_LARGE_BLOCKSIZE_B;
}
- memset(buffer, 0, 128);
- memcpy(buffer, block, (length_b+7)/8);
- buffer[length_b>>3] |= 0x80 >> (length_b&0x07);
+ memset(buffer.v8, 0, 128);
+ memcpy(buffer.v8, block, (length_b+7)/8);
+ buffer.v8[length_b>>3] |= 0x80 >> (length_b&0x07);
if(length_b+1>128*8-64){
- bmw_large_nextBlock(ctx, buffer);
- memset(buffer, 0, 128-8);
+ bmw_large_nextBlock(ctx, buffer.v8);
+ memset(buffer.v8, 0, 128-8);
ctx->counter -= 1;
}
- *((uint64_t*)&(buffer[128-8])) = (uint64_t)(ctx->counter*1024LL)+(uint64_t)length_b;
- bmw_large_nextBlock(ctx, buffer);
+ buffer.v64[15] = (uint64_t)(ctx->counter*1024LL)+(uint64_t)length_b;
+ bmw_large_nextBlock(ctx, buffer.v8);
#if TWEAK
uint8_t i;
uint64_t q[32];
- memset(buffer, 0xaa, 128);
+ memset(buffer.v8, 0xaa, 128);
for(i=0; i<16; ++i){
- buffer[8*i] = i + 0xa0;
+ buffer.v8[8*i] = i + 0xa0;
}
- bmw_large_f0(q, (uint64_t*)buffer, ctx->h);
- bmw_large_f1(q, ctx->h, (uint64_t*)buffer);
- bmw_large_f2((uint64_t*)buffer, q, ctx->h);
- memcpy(ctx->h, buffer, 128);
+ bmw_large_f0(q, buffer.v64, ctx->h);
+ bmw_large_f1(q, ctx->h, buffer.v64);
+ bmw_large_f2(buffer.v64, q, ctx->h);
+ memcpy(ctx->h, buffer.v8, 128);
#endif
}
}
void bmw_small_lastBlock(bmw_small_ctx_t* ctx, const void* block, uint16_t length_b){
- uint8_t buffer[64];
+ union {
+ uint8_t v8[64];
+ uint32_t v32[16];
+ uint64_t v64[ 8];
+ } buffer;
while(length_b >= BMW_SMALL_BLOCKSIZE){
bmw_small_nextBlock(ctx, block);
length_b -= BMW_SMALL_BLOCKSIZE;
block = (uint8_t*)block + BMW_SMALL_BLOCKSIZE_B;
}
- memset(buffer, 0, 64);
- memcpy(buffer, block, (length_b+7)/8);
- buffer[length_b>>3] |= 0x80 >> (length_b&0x07);
+ memset(buffer.v8, 0, 64);
+ memcpy(buffer.v8, block, (length_b+7)/8);
+ buffer.v8[length_b>>3] |= 0x80 >> (length_b&0x07);
if(length_b+1>64*8-64){
- bmw_small_nextBlock(ctx, buffer);
- memset(buffer, 0, 64-8);
+ bmw_small_nextBlock(ctx, buffer.v8);
+ memset(buffer.v8, 0, 64-8);
ctx->counter -= 1;
}
- *((uint64_t*)&(buffer[64-8])) = (uint64_t)(ctx->counter*512LL)+(uint64_t)length_b;
- bmw_small_nextBlock(ctx, buffer);
+ buffer.v64[7] = (uint64_t)(ctx->counter*512LL)+(uint64_t)length_b;
+ bmw_small_nextBlock(ctx, buffer.v8);
#if TWEAK
uint8_t i;
uint32_t q[32];
- memset(buffer, 0xaa, 64);
+ memset(buffer.v8, 0xaa, 64);
for(i=0; i<16;++i){
- buffer[i*4] = i+0xa0;
+ buffer.v8[i*4] = i+0xa0;
}
-// dump_x(buffer, 16, 'A');
+// dump_x(buffer.v8, 16, 'A');
dump_x(ctx->h, 16, 'M');
- bmw_small_f0(q, (uint32_t*)buffer, ctx->h);
- dump_x(buffer, 16, 'a');
+ bmw_small_f0(q, buffer.v32, ctx->h);
+ dump_x(buffer.v8, 16, 'a');
dump_x(q, 16, 'Q');
- bmw_small_f1(q, ctx->h, (uint32_t*)buffer);
+ bmw_small_f1(q, ctx->h, buffer.v32);
dump_x(q, 32, 'Q');
- bmw_small_f2((uint32_t*)buffer, q, ctx->h);
- memcpy(ctx->h, buffer, 64);
+ bmw_small_f2(buffer.v32, q, ctx->h);
+ memcpy(ctx->h, buffer.v8, 64);
#endif
}
+++ /dev/null
-#!/usr/bin/ruby
-# rsa_pkcs15_check.rb
-=begin
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-=end
-
-require 'rubygems'
-require 'serialport'
-require 'getopt/std'
-
-$buffer_size = 0 # set automatically in init_system
-$conffile_check = Hash.new
-$conffile_check.default = 0
-$debug = false
-$logfile = nil
-
-################################################################################
-# readconfigfile #
-################################################################################
-
-def read_line_from_device()
- repeat_counter = 10000
- l = nil
- s = ''
- begin
- l = $sp.gets()
- repeat_counter -= 1
- end while !l && repeat_counter > 0
- t = Time.new
- $logfile.printf("DBG: (%02d:%02d:%02d)<< %s\n", t.hour, t.min, t.sec, l.inspect) if $debug
- if l && l.include?("AVR-Crypto-Lib")
- $logfile.printf("DBG: system crashed !!!\n")
- exit(false)
- end
- return l
-end
-
-def readconfigfile(fname, conf)
- return conf if $conffile_check[fname]==1
- $conffile_check[fname]=1
- section = "default"
- if not File.exists?(fname)
- return conf
- end
- file = File.open(fname, "r")
- until file.eof
- line = file.gets()
- next if /[\s]*#/.match(line)
- if m=/\[[\s]*([^\s]*)[\s]*\]/.match(line)
- section=m[1]
- conf[m[1]] = Hash.new
- next
- end
- next if ! /=/.match(line)
- m=/[\s]*([^\s]*)[\s]*=[\s]*([^\s]*)/.match(line)
- if m[1]=="include"
- Dir.glob(m[2]){ |fn| conf = readconfigfile(fn, conf) }
- else
- conf[section][m[1]] = m[2]
- end
- end
- file.close()
- return conf
-end
-
-################################################################################
-# reset_system #
-################################################################################
-
-def reset_system
- $sp.print("\r")
- sleep 0.1
- $sp.print("\r")
- sleep 0.1
- $sp.print("echo off\r")
- sleep 0.1
-end
-
-
-def read_block(f)
- d = Array.new
- begin
- l = f.gets
- x = l.split.collect { |e| e.to_i(16) }
- d += x
- end while x.length == 16
- return d
-end
-
-=begin
-# Modulus:
-# Exponent:
-# Modulus:
-# Public exponent:
-# Exponent:
-# Prime 1:
-# Prime 2:
-# Prime exponent 1:
-# Prime exponent 2:
-# Coefficient:
-# Message:
-# Seed:
-# Encryption:
-
-=end
-
-def get_next_block(f)
- ret = Hash.new
- data = Array.new
- begin
- l = f.gets
- end while l && ! m= l.match(/^#[\s](.*):[\s]*$/)
- return nil if ! l
- ret['tag'] = m[1]
- ret['line'] = f.lineno
- data = read_block(f)
- ret['data'] = data
- return ret
-end
-
-$key_sequence = [
- 'Modulus', # 0
- 'Exponent', # 1
- 'Modulus', # 2
- 'Public exponent', # 3
- 'Exponent', # 4
- 'Prime 1', # 5
- 'Prime 2', # 6
- 'Prime exponent 1', # 7
- 'Prime exponent 2', # 8
- 'Coefficient', # 9
-]
-
-def key_consitency_check(k)
- return true
-end
-
-def process_file(f, skip_key=1, skip_vec=1)
- a = get_next_block(f)
- key_no = 0
- ok_counter = 0
- fail_counter = 0
- begin
- if !a || ! a['tag'] == 'Modulus'
- printf("ERROR: a = %s %d\n", a.inspect, __LINE__)
- return
- end
- k_seq = Array.new
- k_seq[0] = a
- (1..($key_sequence.length-1)).each do |i|
- a = get_next_block(f)
- if ! a || a['tag'] != $key_sequence[i]
- printf("ERROR: (expecting: %s) a = %s %d\n", $key_sequence[i], a.inspect, __LINE__)
- end
- k_seq[i] = a
- end
- key = convert_key(k_seq)
- printf("ERROR: %d\n", __LINE__) if ! key
- key_no += 1
- vec_no = 0
- printf("\n run %3d: ", key_no)
- skip_key_flag = (key_no < skip_key)
- load_key(key) if ! skip_key_flag
- test_seq = Array.new
- a = get_next_block(f)
- printf("ERROR: %d\n", __LINE__) if ! a
- begin
- vec_no += 1
- b = get_next_block(f)
- c = get_next_block(f)
- tv = Hash.new
- tv['msg'] = a['data']
- tv['seed'] = b['data']
- tv['enc'] = c['data']
- skip_vec_flag = (skip_key_flag || (key_no == skip_key && vec_no < skip_vec))
- if skip_vec_flag
- printf('o')
- else
- v = check_tv(tv)
- if(v == true)
- printf('*')
- $logfile.printf("[[Test %2d.%02d = OK]]\n", key_no, vec_no)
- ok_counter += 1
- else
- printf('%c', v ? '*' : '!')
- $logfile.printf("[[Test %2d.%02d = FAIL]]\n", key_no, vec_no)
- fail_counter += 1
- end
- end
- a = get_next_block(f)
- end while a && a['tag'] == 'Message'
- end while a && a['tag'] = 'Modulus'
-# printf("\nResult: %d OK / %d FAIL ==> %s \nFinished\n", ok_counter, fail_counter, fail_counter==0 ? ':-)' : ':-(')
- return ok_counter,fail_counter
-end
-
-def convert_key(k_seq)
- l = ['n', 'e', 'd', 'p', 'q', 'dP', 'dQ', 'qInv']
- r = Hash.new
- return nil if k_seq[0]['data'] != k_seq[2]['data']
- return nil if k_seq[1]['data'] != k_seq[3]['data']
- 8.times do |i|
- r[l[i]] = k_seq[2 + i]['data']
- end
- return r
-end
-
-def wait_for_dot
- begin
- s = $sp.gets()
- end while !s || !s.include?('.')
-end
-
-def load_bigint(d)
- $sp.printf("%d\r", d.length)
- while l = read_line_from_device()
- break if /data:/.match(l)
- end
- printf "ERROR: got no answer from system!" if !l
- i = 0
- d.each do |e|
- $sp.printf("%02x", e)
- i += 1
- if i % 60 == 0
-# we should now wait for incomming dot
- wait_for_dot()
- print('.')
- end
- end
-end
-
-def hexdump(a)
- i = 0
- a.each do |e|
- printf("\n\t") if i % 16 == 0
- printf('%02x ', e)
- i += 1
- end
- puts('') if i % 16 != 1
-end
-
-def str_hexdump(a)
- i = 0
- s = ''
- a.each do |e|
- s += "\n\t" if i % 16 == 0
- s += sprintf('%02x ', e)
- i += 1
- end
- s += "\n" if i % 16 != 1
- return s
-end
-
-def load_key(k)
- $sp.print("load-key\r")
- sleep 0.1
- v = ['n', 'e', 'p', 'q', 'dP', 'dQ', 'qInv']
- v.each do |e|
- load_bigint(k[e])
- $logfile.printf("DBG: loaded %s\n", e) if $debug
- end
- while l = read_line_from_device()
- break if />/.match(l)
- end
-end
-
-def strip_leading_zeros(a)
- loop do
- return [] if a.length == 0
- return a if a[0] != 0
- a.delete_at(0)
- end
-end
-
-def check_tv(tv)
- sleep 0.1
- $sp.print("seed-test\r")
- sleep 0.1
- load_bigint(tv['msg'])
- $logfile.printf("DBG: loaded %s\n", 'msg') if $debug
- sleep 0.1
- tv['seed'].each { |e| $sp.printf(" %02x", e) }
- while l = read_line_from_device()
- break if /ciphertext:/.match(l)
- end
- test_enc = ''
- loop do
- l = read_line_from_device()
- break if ! /([0-9A-Fa-f]{2}\s*)+/.match(l)
- test_enc += l if l
- end
- test_enc_a = Array.new
- test_enc = test_enc.split(/[\W\r\n]+/)
- test_enc.each do |e|
- v = e.sub(/[^0-9A-Fa-f]/, '')
- test_enc_a << v if v.length == 2
- end
- test_enc_a.collect!{ |e| e.to_i(16) }
- strip_leading_zeros(test_enc_a)
- strip_leading_zeros(tv['enc'])
- enc_ok = (test_enc_a == tv['enc'])
- if !enc_ok
- $logfile.printf("DBG: ref = %s test = %s\n", str_hexdump(tv['enc']) , str_hexdump(test_enc_a))
- end
- m = nil
- loop do
- l = read_line_from_device()
- m = /(>>OK<<|ERROR)/.match(l)
- break if m
- end
- return true if enc_ok && (m[1] == '>>OK<<')
- return false
-end
-
-########################################
-# MAIN
-########################################
-
-
-opts = Getopt::Std.getopts('dc:f:il:s:')
-
-conf = Hash.new
-conf = readconfigfile("/etc/testport.conf", conf)
-conf = readconfigfile("~/.testport.conf", conf)
-conf = readconfigfile("testport.conf", conf)
-conf = readconfigfile(opts["c"], conf) if opts["c"]
-
-#puts conf.inspect
-
-puts("serial port interface version: " + SerialPort::VERSION);
-$linewidth = 64
-params = { "baud" => conf["PORT"]["baud"].to_i,
- "data_bits" => conf["PORT"]["databits"].to_i,
- "stop_bits" => conf["PORT"]["stopbits"].to_i,
- "parity" => SerialPort::NONE }
-params["paraty"] = SerialPort::ODD if conf["PORT"]["paraty"].downcase == "odd"
-params["paraty"] = SerialPort::EVEN if conf["PORT"]["paraty"].downcase == "even"
-params["paraty"] = SerialPort::MARK if conf["PORT"]["paraty"].downcase == "mark"
-params["paraty"] = SerialPort::SPACE if conf["PORT"]["paraty"].downcase == "space"
-
-puts("\nPort: "+conf["PORT"]["port"]+"@" +
- params["baud"].to_s +
- " " +
- params["data_bits"].to_s +
- conf["PORT"]["paraty"][0,1].upcase +
- params["stop_bits"].to_s +
- "\n")
-
-$sp = SerialPort.new(conf["PORT"]["port"], params)
-
-$sp.read_timeout=1000; # 5 minutes
-$sp.flow_control = SerialPort::SOFT
-
-$debug = true if opts['d']
-
-if opts['l']
- $logfile = File.open(opts['l'], 'w')
-end
-
-$logfile = STDOUT if ! $logfile
-reset_system()
-
-if opts['s'] && m = opts['s'].match(/([\d]+\.([\d]+))/)
- sk = m[1].to_i
- sv = m[2].to_i
-else
- sk = 1
- sv = 1
-end
-
-f = File.open(opts['f'], "r")
-exit if !f
-ok,fail = process_file(f,sk,sv)
-printf("\nOK: %d FAIL: %d :-%s\n",ok,fail, fail==0 ? ')':'(')
-
-
--- /dev/null
+#!/usr/bin/ruby
+# rsa_pkcs1v15_check.rb
+=begin
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2008 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+=end
+
+require 'rubygems'
+require 'serialport'
+require 'getopt/std'
+require 'fileutils'
+
+$buffer_size = 0 # set automatically in init_system
+$conffile_check = Hash.new
+$conffile_check.default = 0
+$debug = false
+$logfile = nil
+
+################################################################################
+# readconfigfile #
+################################################################################
+
+def read_line_from_device()
+ repeat_counter = 10000
+ l = nil
+ s = ''
+ begin
+ l = $sp.gets()
+ repeat_counter -= 1
+ end while !l && repeat_counter > 0
+ t = Time.new
+ $logfile.printf("DBG: (%02d:%02d:%02d)<< %s\n", t.hour, t.min, t.sec, l.inspect) if $debug
+ if l && l.include?("AVR-Crypto-Lib")
+ $logfile.printf("DBG: system crashed !!!\n")
+ exit(false)
+ end
+ return l
+end
+
+def readconfigfile(fname, conf)
+ return conf if $conffile_check[fname]==1
+ $conffile_check[fname]=1
+ section = "default"
+ if not File.exists?(fname)
+ return conf
+ end
+ file = File.open(fname, "r")
+ until file.eof
+ line = file.gets()
+ next if /[\s]*#/.match(line)
+ if m=/\[[\s]*([^\s]*)[\s]*\]/.match(line)
+ section=m[1]
+ conf[m[1]] = Hash.new
+ next
+ end
+ next if ! /=/.match(line)
+ m=/[\s]*([^\s]*)[\s]*=[\s]*([^\s]*)/.match(line)
+ if m[1]=="include"
+ Dir.glob(m[2]){ |fn| conf = readconfigfile(fn, conf) }
+ else
+ conf[section][m[1]] = m[2]
+ end
+ end
+ file.close()
+ return conf
+end
+
+################################################################################
+# reset_system #
+################################################################################
+
+def reset_system
+ $sp.print("\r")
+ sleep 0.1
+ $sp.print("\r")
+ sleep 0.1
+ $sp.print("echo off\r")
+ sleep 0.1
+end
+
+
+def read_block(f)
+ d = Array.new
+ begin
+ v = false
+ l = f.gets
+ # x = l.split.collect { |e| e.to_i(16) }
+ t = l.split
+ t.each { |e| v = true if e.length != 2 }
+ x = []
+ x = t.collect { |e| e.to_i(16) } if ! v
+ d += x
+ end while x.length == 16 && ! v
+ return d
+end
+
+=begin
+# Modulus:
+# Exponent:
+# Modulus:
+# Public exponent:
+# Exponent:
+# Prime 1:
+# Prime 2:
+# Prime exponent 1:
+# Prime exponent 2:
+# Coefficient:
+# Message:
+# Seed:
+# Encryption:
+
+=end
+
+def get_next_block(f)
+ ret = Hash.new
+ data = Array.new
+ begin
+ l = f.gets
+ end while l && ! m= l.match(/^#[\s](.*):[\s]*$/)
+ return nil if ! l
+ ret['tag'] = m[1]
+ ret['line'] = f.lineno
+ data = read_block(f)
+ ret['data'] = data
+ return ret
+end
+
+$key_sequence = [
+ 'Modulus', # 0
+ 'Exponent', # 1
+ 'Modulus', # 2
+ 'Public exponent', # 3
+ 'Exponent', # 4
+ 'Prime 1', # 5
+ 'Prime 2', # 6
+ 'Prime exponent 1', # 7
+ 'Prime exponent 2', # 8
+ 'Coefficient', # 9
+]
+
+def key_consitency_check(k)
+ return true
+end
+
+def process_file(f, skip_key=1, skip_vec=1)
+ a = get_next_block(f)
+ key_no = 0
+ ok_counter = 0
+ fail_counter = 0
+ begin
+ if !a || ! a['tag'] == 'Modulus'
+ printf("ERROR: a = %s %d\n", a.inspect, __LINE__)
+ return
+ end
+ k_seq = Array.new
+ k_seq[0] = a
+ (1..($key_sequence.length-1)).each do |i|
+ a = get_next_block(f)
+ if ! a || a['tag'] != $key_sequence[i]
+ printf("ERROR: (expecting: %s) a = %s %d\n", $key_sequence[i], a.inspect, __LINE__)
+ end
+ k_seq[i] = a
+ end
+ key = convert_key(k_seq)
+ printf("ERROR: %d\n", __LINE__) if ! key
+ key_no += 1
+ vec_no = 0
+ printf("\n run %3d: ", key_no)
+ skip_key_flag = (key_no < skip_key)
+ load_key(key) if ! skip_key_flag
+ test_seq = Array.new
+ a = get_next_block(f)
+ printf("ERROR: %d\n", __LINE__) if ! a
+ begin
+ vec_no += 1
+ b = get_next_block(f)
+ c = get_next_block(f)
+ tv = Hash.new
+ tv['msg'] = a['data']
+ tv['seed'] = b['data']
+ tv['enc'] = c['data']
+ skip_vec_flag = (skip_key_flag || (key_no == skip_key && vec_no < skip_vec))
+ if skip_vec_flag
+ printf('o')
+ else
+ v = check_tv(tv)
+ if(v == true)
+ printf('*')
+ $logfile.printf("[[Test %2d.%02d = OK]]\n", key_no, vec_no)
+ ok_counter += 1
+ else
+ printf('%c', v ? '*' : '!')
+ $logfile.printf("[[Test %2d.%02d = FAIL]]\n", key_no, vec_no)
+ fail_counter += 1
+ end
+ end
+ a = get_next_block(f)
+ end while a && a['tag'] == 'Message'
+ end while a && a['tag'] = 'Modulus'
+# printf("\nResult: %d OK / %d FAIL ==> %s \nFinished\n", ok_counter, fail_counter, fail_counter==0 ? ':-)' : ':-(')
+ return ok_counter,fail_counter
+end
+
+def convert_key(k_seq)
+ l = ['n', 'e', 'd', 'p', 'q', 'dP', 'dQ', 'qInv']
+ r = Hash.new
+ return nil if k_seq[0]['data'] != k_seq[2]['data']
+ return nil if k_seq[1]['data'] != k_seq[3]['data']
+ 8.times do |i|
+ r[l[i]] = k_seq[2 + i]['data']
+ end
+ return r
+end
+
+def wait_for_dot
+ begin
+ s = $sp.gets()
+ end while !s || !s.include?('.')
+end
+
+def load_bigint(d)
+ $sp.printf("%d\r", d.length)
+ while l = read_line_from_device()
+ break if /data:/.match(l)
+ end
+ printf "ERROR: got no answer from system!" if !l
+ i = 0
+ d.each do |e|
+ $sp.printf("%02x", e)
+ i += 1
+ if i % 60 == 0
+# we should now wait for incomming dot
+ wait_for_dot()
+ print('.')
+ end
+ end
+end
+
+def hexdump(a)
+ i = 0
+ a.each do |e|
+ printf("\n\t") if i % 16 == 0
+ printf('%02x ', e)
+ i += 1
+ end
+ puts('') if i % 16 != 1
+end
+
+def str_hexdump(a)
+ i = 0
+ s = ''
+ a.each do |e|
+ s += "\n\t" if i % 16 == 0
+ s += sprintf('%02x ', e)
+ i += 1
+ end
+ s += "\n" if i % 16 != 1
+ return s
+end
+
+def load_key(k)
+ $sp.print("load-key\r")
+ sleep 0.1
+ v = ['n', 'e', 'p', 'q', 'dP', 'dQ', 'qInv']
+ v.each do |e|
+ load_bigint(k[e])
+ $logfile.printf("DBG: loaded %s\n", e) if $debug
+ end
+ while l = read_line_from_device()
+ break if />/.match(l)
+ end
+end
+
+def strip_leading_zeros(a)
+ loop do
+ return [] if a.length == 0
+ return a if a[0] != 0
+ a.delete_at(0)
+ end
+end
+
+def check_tv(tv)
+ sleep 0.1
+ $sp.print("seed-test\r")
+ sleep 0.1
+ load_bigint(tv['msg'])
+ $logfile.printf("DBG: loaded %s\n", 'msg') if $debug
+ sleep 0.1
+ tv['seed'].each { |e| $sp.printf(" %02x", e) }
+ while l = read_line_from_device()
+ break if /ciphertext:/.match(l)
+ end
+ test_enc = ''
+ loop do
+ l = read_line_from_device()
+ t = l.split
+ v = false
+ t.each { |e| v = true if e.length != 2 }
+ x = t.collect { |e| e.to_i(16) }
+ break if v
+ test_enc += l if l
+ end
+ test_enc_a = Array.new
+ test_enc = test_enc.split(/[\W\r\n]+/)
+ test_enc.each do |e|
+ v = e.sub(/[^0-9A-Fa-f]/, '')
+ test_enc_a << v if v.length == 2
+ end
+ test_enc_a.collect!{ |e| e.to_i(16) }
+ strip_leading_zeros(test_enc_a)
+ strip_leading_zeros(tv['enc'])
+ enc_ok = (test_enc_a == tv['enc'])
+ if !enc_ok
+ $logfile.printf("DBG: ref = %s test = %s\n", str_hexdump(tv['enc']) , str_hexdump(test_enc_a))
+ end
+ m = nil
+ loop do
+ l = read_line_from_device()
+ m = /(>>OK<<|ERROR)/.match(l)
+ break if m
+ end
+ return true if enc_ok && (m[1] == '>>OK<<')
+ return false
+end
+
+########################################
+# MAIN
+########################################
+
+
+opts = Getopt::Std.getopts('dc:f:il:s:n:')
+
+conf = Hash.new
+conf = readconfigfile("/etc/testport.conf", conf)
+conf = readconfigfile("~/.testport.conf", conf)
+conf = readconfigfile("testport.conf", conf)
+conf = readconfigfile(opts["c"], conf) if opts["c"]
+
+#puts conf.inspect
+
+puts("serial port interface version: " + SerialPort::VERSION);
+$linewidth = 64
+params = { "baud" => conf["PORT"]["baud"].to_i,
+ "data_bits" => conf["PORT"]["databits"].to_i,
+ "stop_bits" => conf["PORT"]["stopbits"].to_i,
+ "parity" => SerialPort::NONE }
+params["paraty"] = SerialPort::ODD if conf["PORT"]["paraty"].downcase == "odd"
+params["paraty"] = SerialPort::EVEN if conf["PORT"]["paraty"].downcase == "even"
+params["paraty"] = SerialPort::MARK if conf["PORT"]["paraty"].downcase == "mark"
+params["paraty"] = SerialPort::SPACE if conf["PORT"]["paraty"].downcase == "space"
+
+puts("\nPort: "+conf["PORT"]["port"]+"@" +
+ params["baud"].to_s +
+ " " +
+ params["data_bits"].to_s +
+ conf["PORT"]["paraty"][0,1].upcase +
+ params["stop_bits"].to_s +
+ "\n")
+
+$sp = SerialPort.new(conf["PORT"]["port"], params)
+
+$sp.read_timeout=1000; # 5 minutes
+$sp.flow_control = SerialPort::SOFT
+
+$debug = true if opts['d']
+
+if opts['l'] && ! opts['n']
+ $logfile = File.open(opts['l'], 'w')
+end
+
+if opts['n']
+ logfilename = conf['PORT']['testlogbase']+'rsa_pkcs1v15_' + opts['n'] + '.txt'
+ if File.exists?(logfilename)
+ i=1
+ begin
+ logfilename = sprintf('%s%04d%s', conf['PORT']['testlogbase']+'rsa_pkcs1v15_'+opts['n']+'_',i,'.txt')
+ i+=1
+ end while(File.exists?(logfilename))
+ while(i>2) do
+ n1 = sprintf('%s%04d%s', conf['PORT']['testlogbase']+'rsa_pkcs1v15_'+opts['n']+'_',i-2,'.txt')
+ n2 = sprintf('%s%04d%s', conf['PORT']['testlogbase']+'rsa_pkcs1v15_'+opts['n']+'_',i-1,'.txt')
+ File.rename(n1, n2)
+ printf("%s -> %s\n", n1, n2)
+ i-=1
+ end
+ n1 = sprintf('%s%s', conf['PORT']['testlogbase'],'rsa_pkcs1v15_'+opts['n']+'.txt')
+ n2 = sprintf('%s%04d%s', conf['PORT']['testlogbase']+'rsa_pkcs1v15_'+opts['n']+'_',1,'.txt')
+ File.rename(n1, n2)
+ printf("%s -> %s\n", n1, n2)
+ logfilename = conf['PORT']['testlogbase']+'rsa_pkcs1v15_'+opts['n']+'.txt'
+ end
+ printf("logging to %s", logfilename)
+ $logfile = File.open(logfilename, 'w')
+end
+
+$logfile = STDOUT if ! $logfile
+reset_system()
+
+if opts['s'] && ( m = opts['s'].match(/([\d]+)\.([\d]+)/) )
+ sk = m[1].to_i
+ sv = m[2].to_i
+else
+ sk = 1
+ sv = 1
+end
+
+f = File.open(opts['f'], "r")
+exit if !f
+ok,fail = process_file(f,sk,sv)
+printf("\nOK: %d FAIL: %d :-%s\n",ok,fail, fail==0 ? ')':'(')
+
+
return b|c;
}
-static void gamma(uint8_t* a){
+static void gamma_1(uint8_t* a){
uint8_t i;
for(i=0; i<8; ++i){
*a = khazad_sbox(*a);
/******************************************************************************/
static void khazad_round(uint8_t* a, const uint8_t* k){
- gamma(a);
+ gamma_1(a);
theta(a);
memxor(a, k, 8);
}
for(r=1; r<8; ++r){
khazad_round(buffer, ctx->k[r]);
}
- gamma(buffer);
+ gamma_1(buffer);
memxor(buffer, ctx->k[8], 8);
}
void khazad_dec(void* buffer, const khazad_ctx_t* ctx){
uint8_t r=7;
memxor(buffer, ctx->k[8], 8);
- gamma(buffer);
+ gamma_1(buffer);
do{
memxor(buffer, ctx->k[r--], 8);
theta(buffer);
- gamma(buffer);
+ gamma_1(buffer);
}while(r);
memxor(buffer, ctx->k[0], 8);
}
void md5_lastBlock(md5_ctx_t *state, const void* block, uint16_t length_b){
uint16_t l;
- uint8_t b[64];
+ union {
+ uint8_t v8[64];
+ uint64_t v64[ 8];
+ } buffer;
while (length_b >= 512){
md5_nextBlock(state, block);
length_b -= 512;
block = ((uint8_t*)block) + 512/8;
}
- memset(b, 0, 64);
- memcpy(b, block, length_b/8);
+ memset(buffer.v8, 0, 64);
+ memcpy(buffer.v8, block, length_b/8);
/* insert padding one */
l=length_b/8;
if(length_b%8){
uint8_t t;
t = ((uint8_t*)block)[l];
t |= (0x80>>(length_b%8));
- b[l]=t;
+ buffer.v8[l]=t;
}else{
- b[l]=0x80;
+ buffer.v8[l]=0x80;
}
/* insert length value */
if(l+sizeof(uint64_t) >= 512/8){
- md5_nextBlock(state, b);
+ md5_nextBlock(state, buffer.v8);
state->counter--;
- memset(b, 0, 64-8);
+ memset(buffer.v8, 0, 64-8);
}
- *((uint64_t*)&b[64-sizeof(uint64_t)]) = (state->counter * 512) + length_b;
- md5_nextBlock(state, b);
+ buffer.v64[7] = (state->counter * 512) + length_b;
+ md5_nextBlock(state, buffer.v8);
}
void md5_ctx2hash(md5_hash_t* dest, const md5_ctx_t* state){
+++ /dev/null
-# Makefile for RSA
-ALGO_NAME := RSA_OAEP
-
-# comment out the following line for removement of RSA from the build process
-PK_CIPHERS += $(ALGO_NAME)
-
-$(ALGO_NAME)_DIR := rsa/
-$(ALGO_NAME)_INCDIR := memxor/ bigint/ noekeon/ hfal/ sha1/ mgf1/
-$(ALGO_NAME)_OBJ := bigint.o bigint_io.o rsa_basic.o rsa_oaep.o mgf1.o hfal-basic.o hfal_sha1.o sha1.o
-$(ALGO_NAME)_TESTBIN := main-rsa_oaep-test.o $(CLI_STD) random_dummy.o \
- noekeon.o noekeon_prng.o memxor.o
-
-$(ALGO_NAME)_PERFORMANCE_TEST := performance
-
+++ /dev/null
-# Makefile for RSA
-ALGO_NAME := RSA_PKCS15
-
-# comment out the following line for removement of RSA from the build process
-SIGNATURE += $(ALGO_NAME)
-
-$(ALGO_NAME)_DIR := rsa/
-$(ALGO_NAME)_INCDIR := memxor/ bigint/ noekeon/
-$(ALGO_NAME)_OBJ := bigint.o bigint_io.o rsa_basic.o rsa_pkcs15.o
-$(ALGO_NAME)_TESTBIN := main-rsa_pkcs15-test.o $(CLI_STD) random_dummy.o \
- noekeon.o noekeon_prng.o memxor.o
-
-$(ALGO_NAME)_PERFORMANCE_TEST := performance
-
--- /dev/null
+# Makefile for RSA
+ALGO_NAME := RSAES_OAEP
+
+# comment out the following line for removement of RSA from the build process
+PK_CIPHERS += $(ALGO_NAME)
+
+$(ALGO_NAME)_DIR := rsa/
+$(ALGO_NAME)_INCDIR := memxor/ bigint/ noekeon/ hfal/ sha1/ mgf1/
+$(ALGO_NAME)_OBJ := bigint.o bigint_io.o rsa_basic.o rsaes_oaep.o mgf1.o hfal-basic.o hfal_sha1.o sha1.o
+$(ALGO_NAME)_TESTBIN := main-rsaes_oaep-test.o $(CLI_STD) random_dummy.o \
+ noekeon.o noekeon_prng.o memxor.o
+
+$(ALGO_NAME)_PERFORMANCE_TEST := performance
+
--- /dev/null
+# Makefile for RSA
+ALGO_NAME := RSAES_PKCS1V15
+
+# comment out the following line for removement of RSA from the build process
+SIGNATURE += $(ALGO_NAME)
+
+$(ALGO_NAME)_DIR := rsa/
+$(ALGO_NAME)_INCDIR := memxor/ bigint/ noekeon/
+$(ALGO_NAME)_OBJ := bigint.o bigint_io.o rsa_basic.o rsaes_pkcs1v15.o
+$(ALGO_NAME)_TESTBIN := main-rsaes_pkcs1v15-test.o $(CLI_STD) random_dummy.o \
+ noekeon.o noekeon_prng.o memxor.o
+
+$(ALGO_NAME)_PERFORMANCE_TEST := performance
+
#define RC_POS 0
static
-void gamma(uint32_t* a){
+void gamma_1(uint32_t* a){
uint32_t tmp;
a[1] ^= ~((a[3]) | (a[2]));
theta(key, state);
((uint8_t*)state)[RC_POS] ^= const2;
pi1(state);
- gamma(state);
+ gamma_1(state);
pi2(state);
}
uint8_t rsa_dec_crt_mono(bigint_t* data, rsa_privatekey_t* key){
bigint_t m1, m2;
- m1.wordv = malloc((key->modulus->length_B + 1) * sizeof(bigint_word_t));
- m2.wordv = malloc(key->components[1]->length_B * sizeof(bigint_word_t));
+ m1.wordv = malloc((key->components[0]->length_B + 1) * sizeof(bigint_word_t));
+ m2.wordv = malloc((key->components[1]->length_B + 1) * sizeof(bigint_word_t));
if(!m1.wordv || !m2.wordv){
#if DEBUG
- cli_putstr_P(PSTR("\r\nERROR: OOM! (" __FILE__ ")"));
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
#endif
free(m1.wordv);
free(m2.wordv);
return 1;
}
#if DEBUG
- cli_putstr_P(PSTR("\r\nexp_mod a + b "));
+ cli_putstr_P(PSTR("\r\nDBG: expmod m1 ..."));
+ cli_putstr_P(PSTR("\r\nexpmod("));
+ bigint_print_hex(data);
+ cli_putc(',');
+ bigint_print_hex(key->components[2]);
+ cli_putc(',');
+ bigint_print_hex(key->components[0]);
+ cli_putstr_P(PSTR(") = "));
#endif
bigint_expmod_u(&m1, data, key->components[2], key->components[0]);
+#if DEBUG
+ bigint_print_hex(&m1);
+ cli_putstr_P(PSTR("expmod m2 ..."));
+ cli_putstr_P(PSTR("\r\nexpmod("));
+ bigint_print_hex(data);
+ cli_putc(',');
+ bigint_print_hex(key->components[3]);
+ cli_putc(',');
+ bigint_print_hex(key->components[1]);
+ cli_putstr_P(PSTR(") = "));
+#endif
bigint_expmod_u(&m2, data, key->components[3], key->components[1]);
#if DEBUG
- cli_putstr_P(PSTR("[done] "));
+ bigint_print_hex(&m2);
+ cli_putstr_P(PSTR("\r\nDBG: sub ..."));
+ cli_putstr_P(PSTR("\r\nsub("));
+ bigint_print_hex(&m1);
+ cli_putc(',');
+ bigint_print_hex(&m2);
+ cli_putstr_P(PSTR(") = "));
#endif
bigint_sub_s(&m1, &m1, &m2);
#if DEBUG
- cli_putstr_P(PSTR("[done2] "));
+ bigint_print_hex(&m1);
#endif
while(BIGINT_NEG_MASK & m1.info){
#if DEBUG
- cli_putc(',');
+ cli_putstr_P(PSTR("\r\nDBG: adding "));
+ bigint_print_hex(key->components[0]);
+ cli_putstr_P(PSTR("\r\nDBG: to "));
+ bigint_print_hex(&m1);
#endif
bigint_add_s(&m1, &m1, key->components[0]);
}
#if DEBUG
- cli_putstr_P(PSTR("\r\nreduce_mul "));
+ cli_putstr_P(PSTR("\r\nDBG: reduce-mul ..."));
+ cli_putstr_P(PSTR("\r\nreduce("));
+ bigint_print_hex(&m1);
+ cli_putc(',');
+ bigint_print_hex(key->components[0]);
+ cli_putstr_P(PSTR(") = "));
#endif
bigint_reduce(&m1, key->components[0]);
- bigint_mul_u(&m1, &m1, key->components[4]);
#if DEBUG
- cli_putstr_P(PSTR("[done]"));
+ bigint_print_hex(&m1);
+ cli_putstr_P(PSTR("\r\nmul("));
+ bigint_print_hex(&m1);
+ cli_putc(',');
+ bigint_print_hex(key->components[4]);
+ cli_putstr_P(PSTR(") = "));
#endif
- bigint_reduce(&m1, key->components[0]);
- bigint_mul_u(&m1, &m1, key->components[1]);
+ bigint_mul_u(data, &m1, key->components[4]);
#if DEBUG
- cli_putstr_P(PSTR(" [done]"));
+ bigint_print_hex(data);
+ cli_putstr_P(PSTR("\r\nreduce("));
+ bigint_print_hex(data);
+ cli_putc(',');
+ bigint_print_hex(key->components[0]);
+ cli_putstr_P(PSTR(") = "));
+#endif
+ bigint_reduce(data, key->components[0]);
+#if DEBUG
+ bigint_print_hex(data);
+ cli_putstr_P(PSTR("\r\nmul("));
+ bigint_print_hex(data);
+ cli_putc(',');
+ bigint_print_hex(key->components[1]);
+ cli_putstr_P(PSTR(") = "));
+#endif
+ bigint_mul_u(data, data, key->components[1]);
+#if DEBUG
+ bigint_print_hex(data);
+ cli_putstr_P(PSTR("\r\nadd("));
+ bigint_print_hex(data);
+ cli_putc(',');
+ bigint_print_hex(&m2);
+ cli_putstr_P(PSTR(") = "));
+#endif
+ bigint_add_u(data, data, &m2);
+#if DEBUG
+ bigint_print_hex(data);
#endif
- bigint_add_u(data, &m1, &m2);
- free(m1.wordv);
free(m2.wordv);
+ free(m1.wordv);
return 0;
}
}
void rsa_os2ip(bigint_t* dest, const void* data, uint32_t length_B){
+#if BIGINT_WORD_SIZE == 8
+ if(data){
+ memcpy(dest->wordv, data, length_B);
+ }
+ dest->length_B = length_B;
+#else
uint8_t off;
- off = length_B % sizeof(bigint_word_t);
+ off = (sizeof(bigint_word_t) - length_B % sizeof(bigint_word_t)) % sizeof(bigint_word_t);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: off = 0x"));
+ cli_hexdump_byte(off);
+#endif
if(!data){
if(off){
dest->wordv = realloc(dest->wordv, length_B + sizeof(bigint_word_t) - off);
memset(dest->wordv, 0, off);
}
}else{
+ memcpy((uint8_t*)dest->wordv + off, data, length_B);
if(off){
- memcpy((uint8_t*)dest->wordv + off, data, length_B);
- memset(dest, 0, off);
- }else{
- memcpy(dest->wordv, data, length_B);
+ memset(dest->wordv, 0, off);
}
}
- dest->length_B = (length_B + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ dest->length_B = (length_B + off) / sizeof(bigint_word_t);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: dest->length_B = 0x"));
+ cli_hexdump_rev(&(dest->length_B), 2);
+#endif
+#endif
+ dest->info = 0;
bigint_changeendianess(dest);
bigint_adjust(dest);
}
void rsa_i2osp(void* dest, bigint_t* src, uint16_t* out_length_B){
+#if BIGINT_WORD_SIZE == 8
+ if(dest){
+ uint8_t *e = src->wordv + src->length_B;
+ uint16_t i;
+ for(i=src->length_B; i>0; --i){
+ *((uint8_t*)dest) = *--e;
+ dest = (uint8_t*)dest + 1;
+ }
+ }else{
+ bigint_changeendianess(src);
+ }
+
+ *out_length_B = src->length_B;
+#else
*out_length_B = bigint_get_first_set_bit(src) / 8 + 1;
if(dest){
uint16_t i;
memmove(src->wordv, (uint8_t*)src->wordv+off, *out_length_B);
}
}
+#endif
}
+++ /dev/null
-
-/* rsa_oaep.c */
-/*
- This file is part of the ARM-Crypto-Lib.
- Copyright (C) 2006-2012 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include "memxor.h"
-#include "mgf1.h"
-#include "bigint.h"
-#include "rsa_basic.h"
-#include "rsa_oaep.h"
-
-#include "random_dummy.h"
-
-#include "hfal/hfal_sha1.h"
-
-#define DEBUG 0
-
-#if DEBUG
-#include "cli.h"
-#endif
-
-mgf1_parameter_t mgf1_default_parameter = {
- &sha1_desc
-};
-
-rsa_oaep_parameter_t rsa_oaep_default_parameter = {
- mgf1,
- &sha1_desc,
- &mgf1_default_parameter
-};
-
-rsa_label_t rsa_oaep_default_label = {
- 0, NULL
-};
-
-uint8_t rsa_encrypt_oaep(void* dest, uint16_t* out_length,
- const void* src, uint16_t length_B,
- rsa_publickey_t* key, const rsa_oaep_parameter_t *p,
- const rsa_label_t* label, const void* seed){
-
- if(!p){
- p = &rsa_oaep_default_parameter;
- }
- if(!label){
- label = &rsa_oaep_default_label;
- }
- uint16_t hv_len = (hfal_hash_getHashsize(p->hf)+7)/8;
- if(length_B > bigint_length_B(key->modulus) - 2*hv_len - 2){
- /* message too long */
- return 1;
- }
- uint16_t buffer_len = bigint_length_B(key->modulus);
-#if DEBUG
- cli_putstr("\r\n buffer_len = ");
- cli_hexdump_rev(&buffer_len, 2);
- cli_putstr("\r\n modulus_len = ");
- cli_hexdump_rev(&key->modulus->length_B, 2);
-#endif
- uint8_t* buffer = (uint8_t*)dest;
- uint8_t off;
- /* the following needs some explanation:
- * off is the offset which is used for compensating the effect of
- * changeendian() when it operates on multi-byte words.
- * */
- off = (sizeof(bigint_word_t) - (bigint_get_first_set_bit(key->modulus)/8+1) % sizeof(bigint_word_t))
- % (sizeof(bigint_word_t));
- buffer += off;
- buffer_len -= off;
- uint8_t* seed_buffer = buffer + 1;
- uint16_t db_len = buffer_len - hv_len - 1;
- uint8_t* db = seed_buffer + hv_len;
- uint16_t maskbuffer_len = db_len>hv_len?db_len:hv_len;
- uint8_t maskbuffer[maskbuffer_len];
- bigint_t x;
-
- memset(dest, 0, seed_buffer - buffer + off);
- memset(db + hv_len, 0, db_len - hv_len - length_B -1);
- hfal_hash_mem(p->hf, db, label->label, label->length_b);
- db[db_len - length_B - 1] = 0x01;
- memcpy(db+db_len - length_B, src, length_B);
- if(seed){
- memcpy(seed_buffer, seed, hv_len);
- }else{
- /* generate random seed */
- if(!prng_get_byte){
- return 2; /* ERROR: no random generator specified */
- }
- uint16_t i;
- for(i=0; i<hv_len; ++i){
- seed_buffer[i] = prng_get_byte();
- }
- }
-#if DEBUG
- cli_putstr("\r\n msg (raw, pre-feistel):\r\n");
- cli_hexdump_block(dest, bigint_length_B(key->modulus), 4, 16);
-#endif
- p->mgf(maskbuffer, seed_buffer, hv_len, db_len, p->mgf_parameter);
- memxor(db, maskbuffer, db_len);
- p->mgf(maskbuffer, db, db_len, hv_len, p->mgf_parameter);
- memxor(seed_buffer, maskbuffer, hv_len);
-#if DEBUG
- cli_putstr("\r\n msg (raw, post-feistel):\r\n");
- cli_hexdump_block(dest, bigint_length_B(key->modulus), 4, 16);
-#endif
- x.info = 0;
- x.length_B = key->modulus->length_B;
- x.wordv = dest;
- bigint_adjust(&x);
- rsa_os2ip(&x, NULL, bigint_length_B(key->modulus));
-#if DEBUG
- cli_putstr("\r\ninput-msg (pre enc):\r\n");
- cli_hexdump_rev(&src, 2);
- cli_hexdump_block(src, length_B, 4, 16);
-#endif
- rsa_enc(&x, key);
-#if DEBUG
- cli_putstr("\r\ninput-msg (post enc):\r\n");
- cli_hexdump_rev(&src, 2);
- cli_hexdump_block(src, length_B, 4, 16);
-#endif
- rsa_i2osp(NULL, &x, out_length);
- return 0;
-}
-
-uint8_t rsa_decrypt_oaep(void* dest, uint16_t* out_length,
- const void* src, uint16_t length_B,
- rsa_privatekey_t* key, const rsa_oaep_parameter_t *p,
- const rsa_label_t* label, void* seed){
-
-// cli_putstr("\r\n -->rsa_decrypt_oaep()"); uart_flush(0);
- if(!label){
- label = &rsa_oaep_default_label;
- }
- if(!p){
- p = &rsa_oaep_default_parameter;
- }
- uint16_t x_len, data_len;
- bigint_t x;
- uint16_t hv_len = hfal_hash_getHashsize(p->hf)/8;
- uint8_t label_hv[hv_len];
- uint16_t msg_len = bigint_get_first_set_bit(key->modulus) / 8 + 1;
- uint16_t db_len = msg_len - hv_len - 1;
- uint8_t maskbuffer[db_len>hv_len?db_len:hv_len];
-
- uint8_t *seed_buffer = dest;
- uint8_t *db_buffer = seed_buffer + hv_len;
-
- x_len = bigint_get_first_set_bit(key->modulus)/8;
- memset(dest, 0, bigint_length_B(key->modulus) - length_B);
- memcpy((uint8_t*)dest + bigint_length_B(key->modulus) - length_B, src, length_B);
-
-// cli_putc('a'); uart_flush(0);
-
- x.wordv = dest;
- x.length_B = key->modulus->length_B;
- x.info = 0;
- bigint_adjust(&x);
-
-
-// cli_putc('b'); uart_flush(0);
- rsa_os2ip(&x, NULL, bigint_length_B(key->modulus));
-#if DEBUG
- cli_putstr_P(PSTR("\r\n rsa decrypting ..."));
-#endif
- rsa_dec(&x, key);
-#if DEBUG
- cli_putstr_P(PSTR(" [done]"));
-#endif
- rsa_i2osp(NULL, &x, &data_len);
-
-// cli_putstr("\r\n msg (raw, pre-move):\r\n");
-// cli_hexdump_block(dest, bigint_length_B(key->modulus), 4, 16);
-
- if(data_len > x_len){
- return 7;
- }
-/*
- cli_putstr("\r\n moving some bytes; x_len = ");
- cli_hexdump_rev(&x_len, 2);
- cli_putstr(" data_len = ");
- cli_hexdump_rev(&data_len, 2);
- uart_flush(0);
-*/
- if(x_len != data_len){
- memmove((uint8_t*)dest + x_len - data_len, dest, data_len);
-// cli_putstr(" (oh, not dead yet?!)");
-// uart_flush(0);
- memset(dest, 0, x_len - data_len);
- }
-
- hfal_hash_mem(p->hf, label_hv, label->label, label->length_b);
-/*
- cli_putstr("\r\n msg (raw, pre-feistel):\r\n");
- cli_hexdump_block(seed_buffer, bigint_length_B(key->modulus), 4, 16);
- uart_flush(0);
-*/
- p->mgf(maskbuffer, db_buffer, db_len, hv_len, p->mgf_parameter);
- memxor(seed_buffer, maskbuffer, hv_len);
- p->mgf(maskbuffer, seed_buffer, hv_len, db_len, p->mgf_parameter);
- memxor(db_buffer, maskbuffer, db_len);
-
- if(memcmp(label_hv, db_buffer, hv_len)){
-// cli_putstr("\r\nDBG: DB:\r\n");
-// cli_hexdump_block(db_buffer, db_len, 4, 16);
- return 2;
- }
-
- uint16_t ps_len=0;
- while(db_buffer[hv_len + ps_len++] == 0)
- ;
-
- --ps_len;
- if(db_buffer[hv_len + ps_len] != 1){
- return 3;
- }
-
- if(seed){
- memcpy(seed, seed_buffer, hv_len);
- }
-
- msg_len = db_len - hv_len - 1 - ps_len;
- memmove(dest, db_buffer + hv_len + ps_len + 1, msg_len);
-
- *out_length = msg_len;
-
- return 0;
-}
-
-
+++ /dev/null
-/* rsa_oaep.h */
-/*
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2012 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef RSA_OAEP_H_
-#define RSA_OAEP_H_
-
-#include <stdint.h>
-#include "mgf1.h"
-
-
-void mgf1(void* dest, const void* seed, uint16_t seed_len_B, uint16_t out_length_B, const mgf1_parameter_t* p);
-
-
-typedef struct {
- void (*mgf)(void* dst, const void* seed, uint16_t slen_B, uint16_t dstlen_B, const mgf1_parameter_t* p);
- const hfdesc_t* hf;
- mgf1_parameter_t* mgf_parameter;
-} rsa_oaep_parameter_t;
-
-typedef struct {
- uint16_t length_b;
- const void* label;
-} rsa_label_t;
-
-extern rsa_oaep_parameter_t rsa_oaep_default_parameter;
-extern rsa_label_t rsa_oaep_default_label;
-
-uint8_t rsa_encrypt_oaep(void* dest, uint16_t* out_length,
- const void* src, uint16_t length_B,
- rsa_publickey_t* key, const rsa_oaep_parameter_t *p,
- const rsa_label_t* label, const void* seed);
-
-uint8_t rsa_decrypt_oaep(void* dest, uint16_t* out_length,
- const void* src, uint16_t length_B,
- rsa_privatekey_t* key, const rsa_oaep_parameter_t *p,
- const rsa_label_t* label, void* seed);
-
-#endif /* RSA_OAEP_H_ */
+++ /dev/null
-/* rsa_pkcs15.c */
-/*
- This file is part of the ARM-Crypto-Lib.
- Copyright (C) 2006-2011 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <stdint.h>
-#include <stdlib.h>
-#include <string.h>
-#include "bigint.h"
-#include "rsa_basic.h"
-
-#define DEBUG 0
-
-#if DEBUG
-#include "bigint_io.h"
-#include "cli.h"
-#endif
-
-#include "random_dummy.h"
-
-uint16_t rsa_pkcs15_compute_padlength_B(bigint_t* modulus, uint16_t msg_length_B){
- return bigint_get_first_set_bit(modulus) / 8 + 1 - msg_length_B - 3;
-}
-
-uint8_t rsa_encrypt_pkcs15(void* dest, uint16_t* out_length, const void* src,
- uint16_t length_B, rsa_publickey_t* key, const void* pad){
- int16_t pad_length;
- bigint_t x;
- pad_length = rsa_pkcs15_compute_padlength_B(key->modulus, length_B);
- if(pad_length<8){
-#if DEBUG
- cli_putstr_P(PSTR("\r\nERROR: pad_length<8; pad_length: "));
- cli_hexdump_rev(&pad_length, 2);
-#endif
- return 2; /* message to long */
- }
- if(!pad){
-#if DEBUG
- cli_putstr_P(PSTR("\r\nauto-generating pad ..."));
-#endif
- uint16_t i;
- uint8_t c;
- for(i=0; i<pad_length; ++i){
- do{
- c = prng_get_byte();
- }while(c==0);
- ((uint8_t*)dest)[i+2] = c;
- }
- }else{
-#if DEBUG
- cli_putstr_P(PSTR("\r\nsupplied pad: "));
- cli_hexdump_block(pad, pad_length, 4, 16);
-#endif
- memcpy((uint8_t*)dest + 2, pad, pad_length);
- }
- ((uint8_t*)dest)[0] = 0x00;
- ((uint8_t*)dest)[1] = 0x02;
- ((uint8_t*)dest)[2+pad_length] = 0x00;
- memcpy((uint8_t*)dest+3+pad_length, src, length_B);
- x.wordv = dest;
- x.length_B = (length_B+pad_length+3+sizeof(bigint_word_t)-1)/sizeof(bigint_word_t);
-#if DEBUG
- cli_putstr_P(PSTR("\r\nx-data: "));
- cli_hexdump_block(x.wordv, x.length_B * sizeof(bigint_word_t), 4, 16);
-#endif
- bigint_adjust(&x);
- rsa_os2ip(&x, NULL, length_B+pad_length+3);
- rsa_enc(&x, key);
- rsa_i2osp(NULL, &x, out_length);
- return 0;
-}
-
-uint8_t rsa_decrypt_pkcs15(void* dest, uint16_t* out_length, const void* src,
- uint16_t length_B, rsa_privatekey_t* key, void* pad){
- bigint_t x;
- uint16_t m_length, pad_length=0, idx=0;
- x.wordv = dest;
- rsa_os2ip(&x, src, length_B);
-#if DEBUG
- cli_putstr_P(PSTR("\r\ncalling rsa_dec() ..."));
-#endif
- rsa_dec(&x, key);
-#if DEBUG
- cli_putstr_P(PSTR("\r\nfinished rsa_dec() ..."));
-#endif
- rsa_i2osp(NULL, &x, &m_length);
-#if DEBUG
- cli_putstr_P(PSTR("\r\ndecoded block:"));
- cli_hexdump_block(x.wordv, m_length, 4, 16);
-#endif
- while(((uint8_t*)x.wordv)[idx]==0 && idx<m_length){
- ++idx;
- }
- if(((uint8_t*)x.wordv)[idx]!=2 || idx>=m_length){
- return 1;
- }
- ++idx;
- while(((uint8_t*)x.wordv)[idx+pad_length]!=0 && (idx+pad_length)<m_length){
- ++pad_length;
- }
- if(pad_length<8 || (idx+pad_length)>=m_length){
- return 2;
- }
- *out_length = m_length - idx - pad_length - 1;
- if(pad){
-#if DEBUG
- cli_putstr_P(PSTR("\r\npadding block:"));
- cli_hexdump_block(((uint8_t*)x.wordv)+idx, pad_length, 4, 16);
- cli_putstr_P(PSTR("\r\npad @ 0x"));
- cli_hexdump_rev(&pad, 2);
- cli_putstr_P(PSTR("\r\ndst @ 0x"));
- cli_hexdump_rev(&dest, 2);
-#endif
- memcpy(pad, ((uint8_t*)x.wordv)+idx, pad_length);
- }
- memmove(dest, ((uint8_t*)x.wordv) + idx + pad_length + 1, m_length - idx - pad_length - 1);
-
- return 0;
-}
-
+++ /dev/null
-/* rsa_pkcs15.h */
-/*
- This file is part of the AVR-Crypto-Lib.
- Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#ifndef RSA_PKCS15_H_
-#define RSA_PKCS15_H_
-
-#include <stdint.h>
-#include "bigint.h"
-
-uint16_t rsa_pkcs15_compute_padlength_B(bigint_t* modulus, uint16_t msg_length_B);
-
-
-uint8_t rsa_encrypt_pkcs15(void* dest, uint16_t* out_length, const void* src,
- uint16_t length_B, rsa_publickey_t* key, const void* pad);
-
-uint8_t rsa_decrypt_pkcs15(void* dest, uint16_t* out_length, const void* src,
- uint16_t length_B, rsa_privatekey_t* key, void* pad);
-
-#endif /* RSA_PKCS15_H_ */
--- /dev/null
+
+/* rsa_oaep.c */
+/*
+ This file is part of the ARM-Crypto-Lib.
+ Copyright (C) 2006-2012 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "memxor.h"
+#include "mgf1.h"
+#include "bigint.h"
+#include "rsa_basic.h"
+#include "rsaes_oaep.h"
+
+#include "random_dummy.h"
+
+#include "hfal/hfal_sha1.h"
+
+#define DEBUG 0
+
+#if DEBUG
+#include "cli.h"
+#endif
+
+mgf1_parameter_t mgf1_default_parameter = {
+ &sha1_desc
+};
+
+rsa_oaep_parameter_t rsa_oaep_default_parameter = {
+ mgf1,
+ &sha1_desc,
+ &mgf1_default_parameter
+};
+
+rsa_label_t rsa_oaep_default_label = {
+ 0, NULL
+};
+
+uint8_t rsa_encrypt_oaep(void* dest, uint16_t* out_length,
+ const void* src, uint16_t length_B,
+ rsa_publickey_t* key, const rsa_oaep_parameter_t *p,
+ const rsa_label_t* label, const void* seed){
+
+ if(!p){
+ p = &rsa_oaep_default_parameter;
+ }
+ if(!label){
+ label = &rsa_oaep_default_label;
+ }
+ uint16_t hv_len = (hfal_hash_getHashsize(p->hf)+7)/8;
+ if(length_B > bigint_length_B(key->modulus) - 2*hv_len - 2){
+ /* message too long */
+ return 1;
+ }
+ uint16_t buffer_len = bigint_length_B(key->modulus);
+#if DEBUG
+ cli_putstr("\r\n buffer_len = ");
+ cli_hexdump_rev(&buffer_len, 2);
+ cli_putstr("\r\n modulus_len = ");
+ cli_hexdump_rev(&key->modulus->length_B, 2);
+#endif
+ uint8_t* buffer = (uint8_t*)dest;
+ uint8_t off;
+ /* the following needs some explanation:
+ * off is the offset which is used for compensating the effect of
+ * changeendian() when it operates on multi-byte words.
+ * */
+ off = (sizeof(bigint_word_t) - (bigint_get_first_set_bit(key->modulus)/8+1) % sizeof(bigint_word_t))
+ % (sizeof(bigint_word_t));
+ buffer += off;
+ buffer_len -= off;
+ uint8_t* seed_buffer = buffer + 1;
+ uint16_t db_len = buffer_len - hv_len - 1;
+ uint8_t* db = seed_buffer + hv_len;
+ uint16_t maskbuffer_len = db_len>hv_len?db_len:hv_len;
+ uint8_t maskbuffer[maskbuffer_len];
+ bigint_t x;
+
+ memset(dest, 0, seed_buffer - buffer + off);
+ memset(db + hv_len, 0, db_len - hv_len - length_B -1);
+ hfal_hash_mem(p->hf, db, label->label, label->length_b);
+ db[db_len - length_B - 1] = 0x01;
+ memcpy(db+db_len - length_B, src, length_B);
+ if(seed){
+ memcpy(seed_buffer, seed, hv_len);
+ }else{
+ /* generate random seed */
+ if(!prng_get_byte){
+ return 2; /* ERROR: no random generator specified */
+ }
+ uint16_t i;
+ for(i=0; i<hv_len; ++i){
+ seed_buffer[i] = prng_get_byte();
+ }
+ }
+#if DEBUG
+ cli_putstr("\r\n msg (raw, pre-feistel):\r\n");
+ cli_hexdump_block(dest, bigint_length_B(key->modulus), 4, 16);
+#endif
+ p->mgf(maskbuffer, seed_buffer, hv_len, db_len, p->mgf_parameter);
+ memxor(db, maskbuffer, db_len);
+ p->mgf(maskbuffer, db, db_len, hv_len, p->mgf_parameter);
+ memxor(seed_buffer, maskbuffer, hv_len);
+#if DEBUG
+ cli_putstr("\r\n msg (raw, post-feistel):\r\n");
+ cli_hexdump_block(dest, bigint_length_B(key->modulus), 4, 16);
+#endif
+ x.info = 0;
+ x.length_B = key->modulus->length_B;
+ x.wordv = dest;
+ bigint_adjust(&x);
+ rsa_os2ip(&x, NULL, bigint_length_B(key->modulus));
+#if DEBUG
+ cli_putstr("\r\ninput-msg (pre enc):\r\n");
+ cli_hexdump_rev(&src, 2);
+ cli_hexdump_block(src, length_B, 4, 16);
+#endif
+ rsa_enc(&x, key);
+#if DEBUG
+ cli_putstr("\r\ninput-msg (post enc):\r\n");
+ cli_hexdump_rev(&src, 2);
+ cli_hexdump_block(src, length_B, 4, 16);
+#endif
+ rsa_i2osp(NULL, &x, out_length);
+ return 0;
+}
+
+uint8_t rsa_decrypt_oaep(void* dest, uint16_t* out_length,
+ const void* src, uint16_t length_B,
+ rsa_privatekey_t* key, const rsa_oaep_parameter_t *p,
+ const rsa_label_t* label, void* seed){
+
+// cli_putstr("\r\n -->rsa_decrypt_oaep()"); uart_flush(0);
+ if(!label){
+ label = &rsa_oaep_default_label;
+ }
+ if(!p){
+ p = &rsa_oaep_default_parameter;
+ }
+ uint16_t x_len, data_len;
+ bigint_t x;
+ uint16_t hv_len = hfal_hash_getHashsize(p->hf)/8;
+ uint8_t label_hv[hv_len];
+ uint16_t msg_len = bigint_get_first_set_bit(key->modulus) / 8 + 1;
+ uint16_t db_len = msg_len - hv_len - 1;
+ uint8_t maskbuffer[db_len>hv_len?db_len:hv_len];
+
+ uint8_t *seed_buffer = dest;
+ uint8_t *db_buffer = seed_buffer + hv_len;
+
+ x_len = bigint_get_first_set_bit(key->modulus)/8;
+ memset(dest, 0, bigint_length_B(key->modulus) - length_B);
+ memcpy((uint8_t*)dest + bigint_length_B(key->modulus) - length_B, src, length_B);
+
+// cli_putc('a'); uart_flush(0);
+
+ x.wordv = dest;
+ x.length_B = key->modulus->length_B;
+ x.info = 0;
+ bigint_adjust(&x);
+
+
+// cli_putc('b'); uart_flush(0);
+ rsa_os2ip(&x, NULL, bigint_length_B(key->modulus));
+#if DEBUG
+ cli_putstr_P(PSTR("\r\n rsa decrypting ..."));
+#endif
+ rsa_dec(&x, key);
+#if DEBUG
+ cli_putstr_P(PSTR(" [done]"));
+#endif
+ rsa_i2osp(NULL, &x, &data_len);
+
+// cli_putstr("\r\n msg (raw, pre-move):\r\n");
+// cli_hexdump_block(dest, bigint_length_B(key->modulus), 4, 16);
+
+ if(data_len > x_len){
+ return 7;
+ }
+/*
+ cli_putstr("\r\n moving some bytes; x_len = ");
+ cli_hexdump_rev(&x_len, 2);
+ cli_putstr(" data_len = ");
+ cli_hexdump_rev(&data_len, 2);
+ uart_flush(0);
+*/
+ if(x_len != data_len){
+ memmove((uint8_t*)dest + x_len - data_len, dest, data_len);
+// cli_putstr(" (oh, not dead yet?!)");
+// uart_flush(0);
+ memset(dest, 0, x_len - data_len);
+ }
+
+ hfal_hash_mem(p->hf, label_hv, label->label, label->length_b);
+/*
+ cli_putstr("\r\n msg (raw, pre-feistel):\r\n");
+ cli_hexdump_block(seed_buffer, bigint_length_B(key->modulus), 4, 16);
+ uart_flush(0);
+*/
+ p->mgf(maskbuffer, db_buffer, db_len, hv_len, p->mgf_parameter);
+ memxor(seed_buffer, maskbuffer, hv_len);
+ p->mgf(maskbuffer, seed_buffer, hv_len, db_len, p->mgf_parameter);
+ memxor(db_buffer, maskbuffer, db_len);
+
+ if(memcmp(label_hv, db_buffer, hv_len)){
+// cli_putstr("\r\nDBG: DB:\r\n");
+// cli_hexdump_block(db_buffer, db_len, 4, 16);
+ return 2;
+ }
+
+ uint16_t ps_len=0;
+ while(db_buffer[hv_len + ps_len++] == 0)
+ ;
+
+ --ps_len;
+ if(db_buffer[hv_len + ps_len] != 1){
+ return 3;
+ }
+
+ if(seed){
+ memcpy(seed, seed_buffer, hv_len);
+ }
+
+ msg_len = db_len - hv_len - 1 - ps_len;
+ memmove(dest, db_buffer + hv_len + ps_len + 1, msg_len);
+
+ *out_length = msg_len;
+
+ return 0;
+}
+
+
--- /dev/null
+/* rsa_oaep.h */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2012 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef RSA_OAEP_H_
+#define RSA_OAEP_H_
+
+#include <stdint.h>
+#include "mgf1.h"
+
+
+void mgf1(void* dest, const void* seed, uint16_t seed_len_B, uint16_t out_length_B, const mgf1_parameter_t* p);
+
+
+typedef struct {
+ void (*mgf)(void* dst, const void* seed, uint16_t slen_B, uint16_t dstlen_B, const mgf1_parameter_t* p);
+ const hfdesc_t* hf;
+ mgf1_parameter_t* mgf_parameter;
+} rsa_oaep_parameter_t;
+
+typedef struct {
+ uint16_t length_b;
+ const void* label;
+} rsa_label_t;
+
+extern rsa_oaep_parameter_t rsa_oaep_default_parameter;
+extern rsa_label_t rsa_oaep_default_label;
+
+uint8_t rsa_encrypt_oaep(void* dest, uint16_t* out_length,
+ const void* src, uint16_t length_B,
+ rsa_publickey_t* key, const rsa_oaep_parameter_t *p,
+ const rsa_label_t* label, const void* seed);
+
+uint8_t rsa_decrypt_oaep(void* dest, uint16_t* out_length,
+ const void* src, uint16_t length_B,
+ rsa_privatekey_t* key, const rsa_oaep_parameter_t *p,
+ const rsa_label_t* label, void* seed);
+
+#endif /* RSA_OAEP_H_ */
--- /dev/null
+/* rsa_pkcs1v15.c */
+/*
+ This file is part of the ARM-Crypto-Lib.
+ Copyright (C) 2006-2011 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+#include "bigint.h"
+#include "rsa_basic.h"
+#include "rsaes_pkcs1v15.h"
+
+#define DEBUG 0
+
+#if DEBUG
+#include "bigint_io.h"
+#include "cli.h"
+#endif
+
+#include "random_dummy.h"
+
+uint16_t rsa_pkcs1v15_compute_padlength_B(bigint_t* modulus, uint16_t msg_length_B){
+ return bigint_get_first_set_bit(modulus) / 8 + 1 - msg_length_B - 3;
+}
+
+uint8_t rsa_encrypt_pkcs1v15(void* dest, uint16_t* out_length, const void* src,
+ uint16_t length_B, rsa_publickey_t* key, const void* pad){
+ int16_t pad_length;
+ bigint_t x;
+ pad_length = rsa_pkcs1v15_compute_padlength_B(key->modulus, length_B);
+ if(pad_length<8){
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nERROR: pad_length<8; pad_length: "));
+ cli_hexdump_rev(&pad_length, 2);
+#endif
+ return 2; /* message to long */
+ }
+ if(!pad){
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nauto-generating pad ..."));
+#endif
+ uint16_t i;
+ uint8_t c;
+ for(i=0; i<pad_length; ++i){
+ do{
+ c = prng_get_byte();
+ }while(c==0);
+ ((uint8_t*)dest)[i+2] = c;
+ }
+ }else{
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nsupplied pad: "));
+ cli_hexdump_block(pad, pad_length, 4, 16);
+#endif
+ memcpy((uint8_t*)dest + 2, pad, pad_length);
+ }
+ ((uint8_t*)dest)[0] = 0x00;
+ ((uint8_t*)dest)[1] = 0x02;
+ ((uint8_t*)dest)[2+pad_length] = 0x00;
+ memcpy((uint8_t*)dest+3+pad_length, src, length_B);
+ x.wordv = dest;
+ x.length_B = (length_B+pad_length+3+sizeof(bigint_word_t)-1)/sizeof(bigint_word_t);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nx-data: "));
+ cli_hexdump_block(x.wordv, x.length_B * sizeof(bigint_word_t), 4, 16);
+#endif
+ bigint_adjust(&x);
+ rsa_os2ip(&x, NULL, length_B+pad_length+3);
+ rsa_enc(&x, key);
+ rsa_i2osp(NULL, &x, out_length);
+ return 0;
+}
+
+uint8_t rsa_decrypt_pkcs1v15(void* dest, uint16_t* out_length, const void* src,
+ uint16_t length_B, rsa_privatekey_t* key, void* pad){
+ bigint_t x;
+ uint16_t m_length, pad_length=0, idx=0;
+ x.wordv = dest;
+ rsa_os2ip(&x, src, length_B);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\ncalling rsa_dec() with bigint:"));
+ bigint_print_hex(&x);
+#endif
+ rsa_dec(&x, key);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nfinished rsa_dec() bigint:"));
+ bigint_print_hex(&x);
+#endif
+ rsa_i2osp(NULL, &x, &m_length);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\ndecoded block:"));
+ cli_hexdump_block(x.wordv, m_length, 4, 16);
+#endif
+ while(((uint8_t*)x.wordv)[idx]==0 && idx<m_length){
+ ++idx;
+ }
+ if(((uint8_t*)x.wordv)[idx]!=2 || idx>=m_length){
+ return 1;
+ }
+ ++idx;
+ while(((uint8_t*)x.wordv)[idx+pad_length]!=0 && (idx+pad_length)<m_length){
+ ++pad_length;
+ }
+ if(pad_length<8 || (idx+pad_length)>=m_length){
+ return 2;
+ }
+ *out_length = m_length - idx - pad_length - 1;
+ if(pad){
+#if DEBUG
+ cli_putstr_P(PSTR("\r\npadding block:"));
+ cli_hexdump_block(((uint8_t*)x.wordv)+idx, pad_length, 4, 16);
+ cli_putstr_P(PSTR("\r\npad @ 0x"));
+ cli_hexdump_rev(&pad, 2);
+ cli_putstr_P(PSTR("\r\ndst @ 0x"));
+ cli_hexdump_rev(&dest, 2);
+#endif
+ memcpy(pad, ((uint8_t*)x.wordv)+idx, pad_length);
+ }
+ memmove(dest, ((uint8_t*)x.wordv) + idx + pad_length + 1, m_length - idx - pad_length - 1);
+
+ return 0;
+}
+
--- /dev/null
+/* rsa_pkcs1v15.h */
+/*
+ This file is part of the AVR-Crypto-Lib.
+ Copyright (C) 2011 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef RSA_PKCS1V15_H_
+#define RSA_PKCS1V15_H_
+
+#include <stdint.h>
+#include "bigint.h"
+
+uint16_t rsa_pkcs1v15_compute_padlength_B(bigint_t* modulus, uint16_t msg_length_B);
+
+
+uint8_t rsa_encrypt_pkcs1v15(void* dest, uint16_t* out_length, const void* src,
+ uint16_t length_B, rsa_publickey_t* key, const void* pad);
+
+uint8_t rsa_decrypt_pkcs1v15(void* dest, uint16_t* out_length, const void* src,
+ uint16_t length_B, rsa_privatekey_t* key, void* pad);
+
+#endif /* RSA_PKCS1V15_H_ */
void salsa20_init(void* key, uint16_t keylength_b, void* iv, salsa20_ctx_t* ctx){
if(keylength_b==256){
- memcpy_P((ctx->a+ 0), sigma+ 0, 4);
- memcpy_P((ctx->a+20), sigma+ 4, 4);
- memcpy_P((ctx->a+40), sigma+ 8, 4);
- memcpy( (ctx->a+44), (uint8_t*)key+16, 16);
- memcpy_P((ctx->a+60), sigma+12, 4);
+ memcpy_P((ctx->a.v8+ 0), sigma+ 0, 4);
+ memcpy_P((ctx->a.v8+20), sigma+ 4, 4);
+ memcpy_P((ctx->a.v8+40), sigma+ 8, 4);
+ memcpy( (ctx->a.v8+44), (uint8_t*)key+16, 16);
+ memcpy_P((ctx->a.v8+60), sigma+12, 4);
}else{
- memcpy_P((ctx->a+ 0), theta+ 0, 4);
- memcpy_P((ctx->a+20), theta+ 4, 4);
- memcpy_P((ctx->a+40), theta+ 8, 4);
- memcpy( (ctx->a+44), (uint8_t*)key+ 0, 16);
- memcpy_P((ctx->a+60), theta+12, 4);
+ memcpy_P((ctx->a.v8+ 0), theta+ 0, 4);
+ memcpy_P((ctx->a.v8+20), theta+ 4, 4);
+ memcpy_P((ctx->a.v8+40), theta+ 8, 4);
+ memcpy( (ctx->a.v8+44), (uint8_t*)key+ 0, 16);
+ memcpy_P((ctx->a.v8+60), theta+12, 4);
}
- memcpy( (ctx->a+ 4), key, 16);
- memset( (ctx->a+24), 0, 16);
+ memcpy( (ctx->a.v8+ 4), key, 16);
+ memset( (ctx->a.v8+24), 0, 16);
if(iv){
- memcpy( (ctx->a+24), iv, 8);
+ memcpy( (ctx->a.v8+24), iv, 8);
}
ctx->buffer_idx=64;
}
uint8_t salsa20_gen(salsa20_ctx_t* ctx){
if(ctx->buffer_idx==64){
- memcpy(ctx->buffer, ctx->a, 64);
+ memcpy(ctx->buffer, ctx->a.v8, 64);
salsa20_hash((uint32_t*)(ctx->buffer));
- *((uint64_t*)(ctx->a+32)) += 1;
+ ctx->a.v64[4] += 1;
ctx->buffer_idx = 0;
}
return ctx->buffer[ctx->buffer_idx++];
#include <stdint.h>
typedef struct{
- uint8_t a[64];
+ union{
+ uint8_t v8[64];
+ uint64_t v64[ 8];
+ } a;
uint8_t buffer[64];
uint8_t buffer_idx;
} salsa20_ctx_t;
#include "uart_defs.h"
#define UART0_I 1
+#ifndef UART0_BAUD_RATE
#define UART0_BAUD_RATE 115200
+#endif
#define UART0_PARATY UART_PARATY_NONE
#define UART0_STOPBITS UART_STOPBITS_1
#define UART0_DATABITS UART_DATABITS_8
+++ /dev/null
-/* main-dsa-test.c */
-/*
- This file is part of the ARM-Crypto-Lib.
- Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-/*
- * RSA test-suit
- *
-*/
-#include "main-test-common.h"
-
-#include "noekeon.h"
-#include "noekeon_prng.h"
-#include "bigint.h"
-#include "bigint_io.h"
-#include "random_dummy.h"
-#include "rsa_basic.h"
-#include "rsa_oaep.h"
-
-#include "performance_test.h"
-
-const char* algo_name = "RSA-OAEP";
-
-#define BIGINT_CEIL(x) ((((x) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t))
-#define BIGINT_OFF(x) ((sizeof(bigint_word_t) - (x) % sizeof(bigint_word_t)) % sizeof(bigint_word_t))
-
-/*****************************************************************************
- * additional validation-functions *
- *****************************************************************************/
-#if 0
-/* ==================================
- * Example 1: A 1024-bit RSA Key Pair
- * ================================== */
-
-/* ------------------------------
- * Components of the RSA Key Pair
- * ------------------------------ */
-
-/* RSA modulus n: */
-const uint8_t modulus[] = {
-0xa8, 0xb3, 0xb2, 0x84, 0xaf, 0x8e, 0xb5, 0x0b, 0x38, 0x70, 0x34, 0xa8, 0x60, 0xf1, 0x46, 0xc4,
-0x91, 0x9f, 0x31, 0x87, 0x63, 0xcd, 0x6c, 0x55, 0x98, 0xc8, 0xae, 0x48, 0x11, 0xa1, 0xe0, 0xab,
-0xc4, 0xc7, 0xe0, 0xb0, 0x82, 0xd6, 0x93, 0xa5, 0xe7, 0xfc, 0xed, 0x67, 0x5c, 0xf4, 0x66, 0x85,
-0x12, 0x77, 0x2c, 0x0c, 0xbc, 0x64, 0xa7, 0x42, 0xc6, 0xc6, 0x30, 0xf5, 0x33, 0xc8, 0xcc, 0x72,
-0xf6, 0x2a, 0xe8, 0x33, 0xc4, 0x0b, 0xf2, 0x58, 0x42, 0xe9, 0x84, 0xbb, 0x78, 0xbd, 0xbf, 0x97,
-0xc0, 0x10, 0x7d, 0x55, 0xbd, 0xb6, 0x62, 0xf5, 0xc4, 0xe0, 0xfa, 0xb9, 0x84, 0x5c, 0xb5, 0x14,
-0x8e, 0xf7, 0x39, 0x2d, 0xd3, 0xaa, 0xff, 0x93, 0xae, 0x1e, 0x6b, 0x66, 0x7b, 0xb3, 0xd4, 0x24,
-0x76, 0x16, 0xd4, 0xf5, 0xba, 0x10, 0xd4, 0xcf, 0xd2, 0x26, 0xde, 0x88, 0xd3, 0x9f, 0x16, 0xfb
-};
-
-/* RSA public exponent e: */
-const uint8_t public_exponent[] = {
-0x00, 0x01, 0x00, 0x01
-};
-
-/* RSA private exponent d: */
-const uint8_t private_exponent[] = {
-0x53, 0x33, 0x9c, 0xfd, 0xb7, 0x9f, 0xc8, 0x46, 0x6a, 0x65, 0x5c, 0x73, 0x16, 0xac, 0xa8, 0x5c,
-0x55, 0xfd, 0x8f, 0x6d, 0xd8, 0x98, 0xfd, 0xaf, 0x11, 0x95, 0x17, 0xef, 0x4f, 0x52, 0xe8, 0xfd,
-0x8e, 0x25, 0x8d, 0xf9, 0x3f, 0xee, 0x18, 0x0f, 0xa0, 0xe4, 0xab, 0x29, 0x69, 0x3c, 0xd8, 0x3b,
-0x15, 0x2a, 0x55, 0x3d, 0x4a, 0xc4, 0xd1, 0x81, 0x2b, 0x8b, 0x9f, 0xa5, 0xaf, 0x0e, 0x7f, 0x55,
-0xfe, 0x73, 0x04, 0xdf, 0x41, 0x57, 0x09, 0x26, 0xf3, 0x31, 0x1f, 0x15, 0xc4, 0xd6, 0x5a, 0x73,
-0x2c, 0x48, 0x31, 0x16, 0xee, 0x3d, 0x3d, 0x2d, 0x0a, 0xf3, 0x54, 0x9a, 0xd9, 0xbf, 0x7c, 0xbf,
-0xb7, 0x8a, 0xd8, 0x84, 0xf8, 0x4d, 0x5b, 0xeb, 0x04, 0x72, 0x4d, 0xc7, 0x36, 0x9b, 0x31, 0xde,
-0xf3, 0x7d, 0x0c, 0xf5, 0x39, 0xe9, 0xcf, 0xcd, 0xd3, 0xde, 0x65, 0x37, 0x29, 0xea, 0xd5, 0xd1
-};
-
-/* Prime p: */
-const uint8_t p[] = {
-0xd3, 0x27, 0x37, 0xe7, 0x26, 0x7f, 0xfe, 0x13, 0x41, 0xb2, 0xd5, 0xc0, 0xd1, 0x50, 0xa8, 0x1b,
-0x58, 0x6f, 0xb3, 0x13, 0x2b, 0xed, 0x2f, 0x8d, 0x52, 0x62, 0x86, 0x4a, 0x9c, 0xb9, 0xf3, 0x0a,
-0xf3, 0x8b, 0xe4, 0x48, 0x59, 0x8d, 0x41, 0x3a, 0x17, 0x2e, 0xfb, 0x80, 0x2c, 0x21, 0xac, 0xf1,
-0xc1, 0x1c, 0x52, 0x0c, 0x2f, 0x26, 0xa4, 0x71, 0xdc, 0xad, 0x21, 0x2e, 0xac, 0x7c, 0xa3, 0x9d
-};
-
-/* Prime q: */
-const uint8_t q[] = {
-0xcc, 0x88, 0x53, 0xd1, 0xd5, 0x4d, 0xa6, 0x30, 0xfa, 0xc0, 0x04, 0xf4, 0x71, 0xf2, 0x81, 0xc7,
-0xb8, 0x98, 0x2d, 0x82, 0x24, 0xa4, 0x90, 0xed, 0xbe, 0xb3, 0x3d, 0x3e, 0x3d, 0x5c, 0xc9, 0x3c,
-0x47, 0x65, 0x70, 0x3d, 0x1d, 0xd7, 0x91, 0x64, 0x2f, 0x1f, 0x11, 0x6a, 0x0d, 0xd8, 0x52, 0xbe,
-0x24, 0x19, 0xb2, 0xaf, 0x72, 0xbf, 0xe9, 0xa0, 0x30, 0xe8, 0x60, 0xb0, 0x28, 0x8b, 0x5d, 0x77
-};
-
-/* p's CRT exponent dP: */
-const uint8_t dp[] = {
-0x0e, 0x12, 0xbf, 0x17, 0x18, 0xe9, 0xce, 0xf5, 0x59, 0x9b, 0xa1, 0xc3, 0x88, 0x2f, 0xe8, 0x04,
-0x6a, 0x90, 0x87, 0x4e, 0xef, 0xce, 0x8f, 0x2c, 0xcc, 0x20, 0xe4, 0xf2, 0x74, 0x1f, 0xb0, 0xa3,
-0x3a, 0x38, 0x48, 0xae, 0xc9, 0xc9, 0x30, 0x5f, 0xbe, 0xcb, 0xd2, 0xd7, 0x68, 0x19, 0x96, 0x7d,
-0x46, 0x71, 0xac, 0xc6, 0x43, 0x1e, 0x40, 0x37, 0x96, 0x8d, 0xb3, 0x78, 0x78, 0xe6, 0x95, 0xc1
-};
-
-/* q's CRT exponent dQ: */
-const uint8_t dq[] = {
-0x95, 0x29, 0x7b, 0x0f, 0x95, 0xa2, 0xfa, 0x67, 0xd0, 0x07, 0x07, 0xd6, 0x09, 0xdf, 0xd4, 0xfc,
-0x05, 0xc8, 0x9d, 0xaf, 0xc2, 0xef, 0x6d, 0x6e, 0xa5, 0x5b, 0xec, 0x77, 0x1e, 0xa3, 0x33, 0x73,
-0x4d, 0x92, 0x51, 0xe7, 0x90, 0x82, 0xec, 0xda, 0x86, 0x6e, 0xfe, 0xf1, 0x3c, 0x45, 0x9e, 0x1a,
-0x63, 0x13, 0x86, 0xb7, 0xe3, 0x54, 0xc8, 0x99, 0xf5, 0xf1, 0x12, 0xca, 0x85, 0xd7, 0x15, 0x83
-};
-
-/* CRT coefficient qInv: */
-const uint8_t qinv[] = {
-0x4f, 0x45, 0x6c, 0x50, 0x24, 0x93, 0xbd, 0xc0, 0xed, 0x2a, 0xb7, 0x56, 0xa3, 0xa6, 0xed, 0x4d,
-0x67, 0x35, 0x2a, 0x69, 0x7d, 0x42, 0x16, 0xe9, 0x32, 0x12, 0xb1, 0x27, 0xa6, 0x3d, 0x54, 0x11,
-0xce, 0x6f, 0xa9, 0x8d, 0x5d, 0xbe, 0xfd, 0x73, 0x26, 0x3e, 0x37, 0x28, 0x14, 0x27, 0x43, 0x81,
-0x81, 0x66, 0xed, 0x7d, 0xd6, 0x36, 0x87, 0xdd, 0x2a, 0x8c, 0xa1, 0xd2, 0xf4, 0xfb, 0xd8, 0xe1
-};
-
-/* ---------------------------------
- * RSAES-OAEP Encryption Example 1.1
- * --------------------------------- */
-
-/* Message to be, encrypted: */
-const uint8_t message[] = {
-0x66, 0x28, 0x19, 0x4e, 0x12, 0x07, 0x3d, 0xb0, 0x3b, 0xa9, 0x4c, 0xda, 0x9e, 0xf9, 0x53, 0x23,
-0x97, 0xd5, 0x0d, 0xba, 0x79, 0xb9, 0x87, 0x00, 0x4a, 0xfe, 0xfe, 0x34
-};
-
-/* Seed: */
-const uint8_t seed[] = {
-0x18, 0xb7, 0x76, 0xea, 0x21, 0x06, 0x9d, 0x69, 0x77, 0x6a, 0x33, 0xe9, 0x6b, 0xad, 0x48, 0xe1,
-0xdd, 0xa0, 0xa5, 0xef
-};
-
-/* Encryption: */
-const uint8_t encrypted[] = {
-0x35, 0x4f, 0xe6, 0x7b, 0x4a, 0x12, 0x6d, 0x5d, 0x35, 0xfe, 0x36, 0xc7, 0x77, 0x79, 0x1a, 0x3f,
-0x7b, 0xa1, 0x3d, 0xef, 0x48, 0x4e, 0x2d, 0x39, 0x08, 0xaf, 0xf7, 0x22, 0xfa, 0xd4, 0x68, 0xfb,
-0x21, 0x69, 0x6d, 0xe9, 0x5d, 0x0b, 0xe9, 0x11, 0xc2, 0xd3, 0x17, 0x4f, 0x8a, 0xfc, 0xc2, 0x01,
-0x03, 0x5f, 0x7b, 0x6d, 0x8e, 0x69, 0x40, 0x2d, 0xe5, 0x45, 0x16, 0x18, 0xc2, 0x1a, 0x53, 0x5f,
-0xa9, 0xd7, 0xbf, 0xc5, 0xb8, 0xdd, 0x9f, 0xc2, 0x43, 0xf8, 0xcf, 0x92, 0x7d, 0xb3, 0x13, 0x22,
-0xd6, 0xe8, 0x81, 0xea, 0xa9, 0x1a, 0x99, 0x61, 0x70, 0xe6, 0x57, 0xa0, 0x5a, 0x26, 0x64, 0x26,
-0xd9, 0x8c, 0x88, 0x00, 0x3f, 0x84, 0x77, 0xc1, 0x22, 0x70, 0x94, 0xa0, 0xd9, 0xfa, 0x1e, 0x8c,
-0x40, 0x24, 0x30, 0x9c, 0xe1, 0xec, 0xcc, 0xb5, 0x21, 0x00, 0x35, 0xd4, 0x7a, 0xc7, 0x2e, 0x8a
-};
-
-/* Message to be encrypted: */
-const uint8_t message2[] = {
-0x75, 0x0c, 0x40, 0x47, 0xf5, 0x47, 0xe8, 0xe4, 0x14, 0x11, 0x85, 0x65, 0x23, 0x29, 0x8a, 0xc9,
-0xba, 0xe2, 0x45, 0xef, 0xaf, 0x13, 0x97, 0xfb, 0xe5, 0x6f, 0x9d, 0xd5
-};
-
-/* Seed: */
-const uint8_t seed2[] = {
-0x0c, 0xc7, 0x42, 0xce, 0x4a, 0x9b, 0x7f, 0x32, 0xf9, 0x51, 0xbc, 0xb2, 0x51, 0xef, 0xd9, 0x25,
-0xfe, 0x4f, 0xe3, 0x5f
-};
-
-/* Encryption: */
-const uint8_t encrypted2[] = {
-0x64, 0x0d, 0xb1, 0xac, 0xc5, 0x8e, 0x05, 0x68, 0xfe, 0x54, 0x07, 0xe5, 0xf9, 0xb7, 0x01, 0xdf,
-0xf8, 0xc3, 0xc9, 0x1e, 0x71, 0x6c, 0x53, 0x6f, 0xc7, 0xfc, 0xec, 0x6c, 0xb5, 0xb7, 0x1c, 0x11,
-0x65, 0x98, 0x8d, 0x4a, 0x27, 0x9e, 0x15, 0x77, 0xd7, 0x30, 0xfc, 0x7a, 0x29, 0x93, 0x2e, 0x3f,
-0x00, 0xc8, 0x15, 0x15, 0x23, 0x6d, 0x8d, 0x8e, 0x31, 0x01, 0x7a, 0x7a, 0x09, 0xdf, 0x43, 0x52,
-0xd9, 0x04, 0xcd, 0xeb, 0x79, 0xaa, 0x58, 0x3a, 0xdc, 0xc3, 0x1e, 0xa6, 0x98, 0xa4, 0xc0, 0x52,
-0x83, 0xda, 0xba, 0x90, 0x89, 0xbe, 0x54, 0x91, 0xf6, 0x7c, 0x1a, 0x4e, 0xe4, 0x8d, 0xc7, 0x4b,
-0xbb, 0xe6, 0x64, 0x3a, 0xef, 0x84, 0x66, 0x79, 0xb4, 0xcb, 0x39, 0x5a, 0x35, 0x2d, 0x5e, 0xd1,
-0x15, 0x91, 0x2d, 0xf6, 0x96, 0xff, 0xe0, 0x70, 0x29, 0x32, 0x94, 0x6d, 0x71, 0x49, 0x2b, 0x44
-};
-
-/**********************************************************************************************/
-/* ---------------------------------
- * RSAES-OAEP Encryption Example 2.1
- * --------------------------------- */
-
-/* Message to be encrypted: */
-const uint8_t message3[] = {
-0x8f, 0xf0, 0x0c, 0xaa, 0x60, 0x5c, 0x70, 0x28, 0x30, 0x63, 0x4d, 0x9a, 0x6c, 0x3d, 0x42, 0xc6,
-0x52, 0xb5, 0x8c, 0xf1, 0xd9, 0x2f, 0xec, 0x57, 0x0b, 0xee, 0xe7
-};
-
-/* Seed: */
-const uint8_t seed3[] = {
-0x8c, 0x40, 0x7b, 0x5e, 0xc2, 0x89, 0x9e, 0x50, 0x99, 0xc5, 0x3e, 0x8c, 0xe7, 0x93, 0xbf, 0x94,
-0xe7, 0x1b, 0x17, 0x82
-};
-
-/* Encryption: */
-const uint8_t encrypted3[] = {
-0x01, 0x81, 0xaf, 0x89, 0x22, 0xb9, 0xfc, 0xb4, 0xd7, 0x9d, 0x92, 0xeb, 0xe1, 0x98, 0x15, 0x99,
-0x2f, 0xc0, 0xc1, 0x43, 0x9d, 0x8b, 0xcd, 0x49, 0x13, 0x98, 0xa0, 0xf4, 0xad, 0x3a, 0x32, 0x9a,
-0x5b, 0xd9, 0x38, 0x55, 0x60, 0xdb, 0x53, 0x26, 0x83, 0xc8, 0xb7, 0xda, 0x04, 0xe4, 0xb1, 0x2a,
-0xed, 0x6a, 0xac, 0xdf, 0x47, 0x1c, 0x34, 0xc9, 0xcd, 0xa8, 0x91, 0xad, 0xdc, 0xc2, 0xdf, 0x34,
-0x56, 0x65, 0x3a, 0xa6, 0x38, 0x2e, 0x9a, 0xe5, 0x9b, 0x54, 0x45, 0x52, 0x57, 0xeb, 0x09, 0x9d,
-0x56, 0x2b, 0xbe, 0x10, 0x45, 0x3f, 0x2b, 0x6d, 0x13, 0xc5, 0x9c, 0x02, 0xe1, 0x0f, 0x1f, 0x8a,
-0xbb, 0x5d, 0xa0, 0xd0, 0x57, 0x09, 0x32, 0xda, 0xcf, 0x2d, 0x09, 0x01, 0xdb, 0x72, 0x9d, 0x0f,
-0xef, 0xcc, 0x05, 0x4e, 0x70, 0x96, 0x8e, 0xa5, 0x40, 0xc8, 0x1b, 0x04, 0xbc, 0xae, 0xfe, 0x72,
-0x0e
-};
-#endif
-/**********************************************************************************************/
-
-/* ---------------------------------
- * RSAES-OAEP Encryption Example 2.4
- * --------------------------------- */
-
-/* Message to be encrypted: */
-const uint8_t message4[] PROGMEM = {
-0xa7, 0xeb, 0x2a, 0x50, 0x36, 0x93, 0x1d, 0x27, 0xd4, 0xe8, 0x91, 0x32, 0x6d, 0x99, 0x69, 0x2f,
-0xfa, 0xdd, 0xa9, 0xbf, 0x7e, 0xfd, 0x3e, 0x34, 0xe6, 0x22, 0xc4, 0xad, 0xc0, 0x85, 0xf7, 0x21,
-0xdf, 0xe8, 0x85, 0x07, 0x2c, 0x78, 0xa2, 0x03, 0xb1, 0x51, 0x73, 0x9b, 0xe5, 0x40, 0xfa, 0x8c,
-0x15, 0x3a, 0x10, 0xf0, 0x0a
-};
-
-/* Seed: */
-const uint8_t seed4[] PROGMEM = {
-0x9a, 0x7b, 0x3b, 0x0e, 0x70, 0x8b, 0xd9, 0x6f, 0x81, 0x90, 0xec, 0xab, 0x4f, 0xb9, 0xb2, 0xb3,
-0x80, 0x5a, 0x81, 0x56
-};
-
-/* Encryption: */
-const uint8_t encrypted4[] PROGMEM = {
-/* 0x00,*/ 0xa4, 0x57, 0x8c, 0xbc, 0x17, 0x63, 0x18, 0xa6, 0x38, 0xfb, 0xa7, 0xd0, 0x1d, 0xf1, 0x57,
-0x46, 0xaf, 0x44, 0xd4, 0xf6, 0xcd, 0x96, 0xd7, 0xe7, 0xc4, 0x95, 0xcb, 0xf4, 0x25, 0xb0, 0x9c,
-0x64, 0x9d, 0x32, 0xbf, 0x88, 0x6d, 0xa4, 0x8f, 0xba, 0xf9, 0x89, 0xa2, 0x11, 0x71, 0x87, 0xca,
-0xfb, 0x1f, 0xb5, 0x80, 0x31, 0x76, 0x90, 0xe3, 0xcc, 0xd4, 0x46, 0x92, 0x0b, 0x7a, 0xf8, 0x2b,
-0x31, 0xdb, 0x58, 0x04, 0xd8, 0x7d, 0x01, 0x51, 0x4a, 0xcb, 0xfa, 0x91, 0x56, 0xe7, 0x82, 0xf8,
-0x67, 0xf6, 0xbe, 0xd9, 0x44, 0x9e, 0x0e, 0x9a, 0x2c, 0x09, 0xbc, 0xec, 0xc6, 0xaa, 0x08, 0x76,
-0x36, 0x96, 0x5e, 0x34, 0xb3, 0xec, 0x76, 0x6f, 0x2f, 0xe2, 0xe4, 0x30, 0x18, 0xa2, 0xfd, 0xde,
-0xb1, 0x40, 0x61, 0x6a, 0x0e, 0x9d, 0x82, 0xe5, 0x33, 0x10, 0x24, 0xee, 0x06, 0x52, 0xfc, 0x76,
-0x41
-};
-
-/**********************************************************************************************/
-#if 1
-/* RSA modulus n: */
-const uint8_t modulus2[] PROGMEM = {
-0x01, 0x94, 0x7c, 0x7f, 0xce, 0x90, 0x42, 0x5f, 0x47, 0x27, 0x9e, 0x70, 0x85, 0x1f, 0x25, 0xd5,
-0xe6, 0x23, 0x16, 0xfe, 0x8a, 0x1d, 0xf1, 0x93, 0x71, 0xe3, 0xe6, 0x28, 0xe2, 0x60, 0x54, 0x3e,
-0x49, 0x01, 0xef, 0x60, 0x81, 0xf6, 0x8c, 0x0b, 0x81, 0x41, 0x19, 0x0d, 0x2a, 0xe8, 0xda, 0xba,
-0x7d, 0x12, 0x50, 0xec, 0x6d, 0xb6, 0x36, 0xe9, 0x44, 0xec, 0x37, 0x22, 0x87, 0x7c, 0x7c, 0x1d,
-0x0a, 0x67, 0xf1, 0x4b, 0x16, 0x94, 0xc5, 0xf0, 0x37, 0x94, 0x51, 0xa4, 0x3e, 0x49, 0xa3, 0x2d,
-0xde, 0x83, 0x67, 0x0b, 0x73, 0xda, 0x91, 0xa1, 0xc9, 0x9b, 0xc2, 0x3b, 0x43, 0x6a, 0x60, 0x05,
-0x5c, 0x61, 0x0f, 0x0b, 0xaf, 0x99, 0xc1, 0xa0, 0x79, 0x56, 0x5b, 0x95, 0xa3, 0xf1, 0x52, 0x66,
-0x32, 0xd1, 0xd4, 0xda, 0x60, 0xf2, 0x0e, 0xda, 0x25, 0xe6, 0x53, 0xc4, 0xf0, 0x02, 0x76, 0x6f,
-0x45
-};
-
-/* RSA public exponent e: */
-const uint8_t public_exponent2[] PROGMEM = {
-0x01, 0x00, 0x01
-};
-
-/* RSA private exponent d: */
-const uint8_t private_exponent2[] PROGMEM = {
-0x08, 0x23, 0xf2, 0x0f, 0xad, 0xb5, 0xda, 0x89, 0x08, 0x8a, 0x9d, 0x00, 0x89, 0x3e, 0x21, 0xfa,
-0x4a, 0x1b, 0x11, 0xfb, 0xc9, 0x3c, 0x64, 0xa3, 0xbe, 0x0b, 0xaa, 0xea, 0x97, 0xfb, 0x3b, 0x93,
-0xc3, 0xff, 0x71, 0x37, 0x04, 0xc1, 0x9c, 0x96, 0x3c, 0x1d, 0x10, 0x7a, 0xae, 0x99, 0x05, 0x47,
-0x39, 0xf7, 0x9e, 0x02, 0xe1, 0x86, 0xde, 0x86, 0xf8, 0x7a, 0x6d, 0xde, 0xfe, 0xa6, 0xd8, 0xcc,
-0xd1, 0xd3, 0xc8, 0x1a, 0x47, 0xbf, 0xa7, 0x25, 0x5b, 0xe2, 0x06, 0x01, 0xa4, 0xa4, 0xb2, 0xf0,
-0x8a, 0x16, 0x7b, 0x5e, 0x27, 0x9d, 0x71, 0x5b, 0x1b, 0x45, 0x5b, 0xdd, 0x7e, 0xab, 0x24, 0x59,
-0x41, 0xd9, 0x76, 0x8b, 0x9a, 0xce, 0xfb, 0x3c, 0xcd, 0xa5, 0x95, 0x2d, 0xa3, 0xce, 0xe7, 0x25,
-0x25, 0xb4, 0x50, 0x16, 0x63, 0xa8, 0xee, 0x15, 0xc9, 0xe9, 0x92, 0xd9, 0x24, 0x62, 0xfe, 0x39
-};
-
-/* Prime p: */
-const uint8_t p2[] PROGMEM = {
-0x01, 0x59, 0xdb, 0xde, 0x04, 0xa3, 0x3e, 0xf0, 0x6f, 0xb6, 0x08, 0xb8, 0x0b, 0x19, 0x0f, 0x4d,
-0x3e, 0x22, 0xbc, 0xc1, 0x3a, 0xc8, 0xe4, 0xa0, 0x81, 0x03, 0x3a, 0xbf, 0xa4, 0x16, 0xed, 0xb0,
-0xb3, 0x38, 0xaa, 0x08, 0xb5, 0x73, 0x09, 0xea, 0x5a, 0x52, 0x40, 0xe7, 0xdc, 0x6e, 0x54, 0x37,
-0x8c, 0x69, 0x41, 0x4c, 0x31, 0xd9, 0x7d, 0xdb, 0x1f, 0x40, 0x6d, 0xb3, 0x76, 0x9c, 0xc4, 0x1a,
-0x43
-};
-
-/* Prime q: */
-const uint8_t q2[] PROGMEM = {
-0x01, 0x2b, 0x65, 0x2f, 0x30, 0x40, 0x3b, 0x38, 0xb4, 0x09, 0x95, 0xfd, 0x6f, 0xf4, 0x1a, 0x1a,
-0xcc, 0x8a, 0xda, 0x70, 0x37, 0x32, 0x36, 0xb7, 0x20, 0x2d, 0x39, 0xb2, 0xee, 0x30, 0xcf, 0xb4,
-0x6d, 0xb0, 0x95, 0x11, 0xf6, 0xf3, 0x07, 0xcc, 0x61, 0xcc, 0x21, 0x60, 0x6c, 0x18, 0xa7, 0x5b,
-0x8a, 0x62, 0xf8, 0x22, 0xdf, 0x03, 0x1b, 0xa0, 0xdf, 0x0d, 0xaf, 0xd5, 0x50, 0x6f, 0x56, 0x8b,
-0xd7
-};
-
-/* p's CRT exponent dP: */
-const uint8_t dp2[] PROGMEM = {
-0x43, 0x6e, 0xf5, 0x08, 0xde, 0x73, 0x65, 0x19, 0xc2, 0xda, 0x4c, 0x58, 0x0d, 0x98, 0xc8, 0x2c,
-0xb7, 0x45, 0x2a, 0x3f, 0xb5, 0xef, 0xad, 0xc3, 0xb9, 0xc7, 0x78, 0x9a, 0x1b, 0xc6, 0x58, 0x4f,
-0x79, 0x5a, 0xdd, 0xbb, 0xd3, 0x24, 0x39, 0xc7, 0x46, 0x86, 0x55, 0x2e, 0xcb, 0x6c, 0x2c, 0x30,
-0x7a, 0x4d, 0x3a, 0xf7, 0xf5, 0x39, 0xee, 0xc1, 0x57, 0x24, 0x8c, 0x7b, 0x31, 0xf1, 0xa2, 0x55
-};
-
-/* q's CRT exponent dQ: */
-const uint8_t dq2[] PROGMEM = {
-0x01, 0x2b, 0x15, 0xa8, 0x9f, 0x3d, 0xfb, 0x2b, 0x39, 0x07, 0x3e, 0x73, 0xf0, 0x2b, 0xdd, 0x0c,
-0x1a, 0x7b, 0x37, 0x9d, 0xd4, 0x35, 0xf0, 0x5c, 0xdd, 0xe2, 0xef, 0xf9, 0xe4, 0x62, 0x94, 0x8b,
-0x7c, 0xec, 0x62, 0xee, 0x90, 0x50, 0xd5, 0xe0, 0x81, 0x6e, 0x07, 0x85, 0xa8, 0x56, 0xb4, 0x91,
-0x08, 0xdc, 0xb7, 0x5f, 0x36, 0x83, 0x87, 0x4d, 0x1c, 0xa6, 0x32, 0x9a, 0x19, 0x01, 0x30, 0x66,
-0xff
-};
-
-/* CRT coefficient qInv: */
-const uint8_t qinv2[] PROGMEM = {
-0x02, 0x70, 0xdb, 0x17, 0xd5, 0x91, 0x4b, 0x01, 0x8d, 0x76, 0x11, 0x8b, 0x24, 0x38, 0x9a, 0x73,
-0x50, 0xec, 0x83, 0x6b, 0x00, 0x63, 0xa2, 0x17, 0x21, 0x23, 0x6f, 0xd8, 0xed, 0xb6, 0xd8, 0x9b,
-0x51, 0xe7, 0xee, 0xb8, 0x7b, 0x61, 0x1b, 0x71, 0x32, 0xcb, 0x7e, 0xa7, 0x35, 0x6c, 0x23, 0x15,
-0x1c, 0x1e, 0x77, 0x51, 0x50, 0x7c, 0x78, 0x6d, 0x9e, 0xe1, 0x79, 0x41, 0x70, 0xa8, 0xc8, 0xe8
-};
-
-#endif
-/**********************************************************************************************/
-
-
-uint8_t keys_allocated = 0;
-rsa_publickey_t pub_key;
-rsa_privatekey_t priv_key;
-
-#if 0
- #define MSG message
- #define SEED seed
- #define ENCRYPTED encrypted
- #define MODULUS modulus
- #define PUB_EXPONENT public_exponent
- #define PRIV_EXPONENT private_exponent
- #define P p
- #define Q q
- #define DP dp
- #define DQ dq
- #define QINV qinv
-#else
- #define MSG message4
- #define SEED seed4
- #define ENCRYPTED encrypted4
- #define MODULUS modulus2
- #define PUB_EXPONENT public_exponent2
- #define PRIV_EXPONENT private_exponent2
- #define P p2
- #define Q q2
- #define DP dp2
- #define DQ dq2
- #define QINV qinv2
-#endif
-
-
-uint8_t convert_nibble(uint8_t c){
- if(c>='0' && c<='9'){
- return c - '0';
- }
- c |= 'A' ^ 'a';
- if(c>='a' && c<='f'){
- return c - 'a' + 10;
- }
- return 0xff;
-}
-
-const char *block_ignore_string=" \t\r\n,;";
-#define BUFFER_LIMIT 120
-uint16_t read_os(void* dst, uint16_t length, const char* ignore_string){
- uint16_t counter = 0;
- uint16_t c;
- uint8_t v, tmp = 0, idx = 0;
- if(!ignore_string){
- ignore_string = block_ignore_string;
- }
- while(counter < length){
- c = cli_getc();
- if(c > 0xff){
- return counter;
- }
- if(strchr(ignore_string, c)){
- continue;
- }
- v = convert_nibble(c);
- if(v > 0x0f){
- return counter;
- }
- if(idx){
- ((uint8_t*)dst)[counter++] = (tmp << 4) | v;
- idx = 0;
- if(counter % (BUFFER_LIMIT/2) == 0){
- cli_putc('.');
- }
- }else{
- tmp = v;
- idx = 1;
- }
- }
- return counter;
-}
-
-uint16_t own_atou(const char* str){
- uint16_t r=0;
- while(*str && *str >= '0' && *str <= '9'){
- r *= 10;
- r += *str++ - '0';
- }
- return r;
-}
-
-uint8_t read_bigint(bigint_t* a, char* prompt){
- uint16_t read_length, actual_length;
- uint8_t off;
- uint8_t *buffer;
- char read_int_str[18];
- cli_putstr(prompt);
- cli_putstr_P(PSTR("\r\n length: "));
- cli_getsn(read_int_str, 16);
- read_length = own_atou(read_int_str);
- off = (sizeof(bigint_word_t) - (read_length % sizeof(bigint_word_t))) % sizeof(bigint_word_t);
- buffer = malloc(((read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t));
- if(!buffer){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- cli_putstr_P(PSTR("\r\n data: "));
- memset(buffer, 0, sizeof(bigint_word_t));
- actual_length = read_os(buffer + off, read_length, NULL);
- if(actual_length != read_length){
- cli_putstr_P(PSTR("\r\nERROR: unexpected end of data!"));
- free(buffer);
- return 1;
- }
- a->wordv = (bigint_word_t*)buffer;
- a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
- bigint_changeendianess(a);
- bigint_adjust(a);
- return 0;
-}
-
-uint8_t pre_alloc_key_crt(void){
- uint8_t c;
- pub_key.modulus = malloc(sizeof(bigint_t));
- if(!pub_key.modulus){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- priv_key.modulus = pub_key.modulus;
- priv_key.n = 5;
- priv_key.components = malloc(5 * sizeof(bigint_t*));
- if(!priv_key.components){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- pub_key.exponent = malloc(sizeof(bigint_t));
- if(!pub_key.exponent){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- for(c=0; c<5; ++c){
- priv_key.components[c] = malloc(sizeof(bigint_t));
- if(!priv_key.components[c]){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- }
- return 0;
-}
-
-void free_key(void){
- uint8_t c;
- free(pub_key.modulus->wordv);
- free(pub_key.exponent->wordv);
- free(pub_key.modulus);
- pub_key.modulus = priv_key.modulus = NULL;
- free(pub_key.exponent);
- pub_key.exponent = NULL;
- for(c = 0; c < priv_key.n; ++c){
- free(priv_key.components[c]->wordv);
- free(priv_key.components[c]);
- }
- free(priv_key.components);
- priv_key.components = NULL;
-}
-
-uint8_t read_key_crt(void){
- uint8_t r;
- cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
- r = pre_alloc_key_crt();
- if(r) return r;
- r = read_bigint(pub_key.modulus,"\r\n = module =");
- if(r) return r;
- r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
- if(r) return r;
- r = read_bigint(priv_key.components[0],"\r\n = p (first prime) =");
- if(r) return r;
- r = read_bigint(priv_key.components[1],"\r\n = q (second prime) =");
- if(r) return r;
- r = read_bigint(priv_key.components[2],"\r\n = dp (p's exponent) =");
- if(r) return r;
- r = read_bigint(priv_key.components[3],"\r\n = dq (q's exponent) =");
- if(r) return r;
- r = read_bigint(priv_key.components[4],"\r\n = qInv (q' coefficient) =");
- return r;
-}
-
-uint8_t read_key_conv(void){
- uint8_t r;
- cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
- pub_key.modulus = malloc(sizeof(bigint_t));
- if(!pub_key.modulus){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- r = read_bigint(pub_key.modulus,"\r\n = module =");
- if(r) return r;
- priv_key.modulus = pub_key.modulus;
- priv_key.n = 1;
- pub_key.exponent = malloc(sizeof(bigint_t));
- if(!pub_key.exponent){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- priv_key.components = malloc(sizeof(bigint_t*));
- if(!priv_key.components){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- priv_key.components[0] = malloc(sizeof(bigint_t));
- if(!priv_key.components[0]){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
- if(r) return r;
- r = read_bigint(priv_key.components[0],"\r\n = private exponent =");
- return r;
-}
-
-void load_priv_conventional(void){
- bigint_t *epriv;
- epriv = malloc(sizeof(bigint_t));
- if(!epriv){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- epriv->length_B = (sizeof(PRIV_EXPONENT) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
- epriv->wordv = malloc(epriv->length_B * sizeof(bigint_word_t));
- if(!epriv->wordv){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- memcpy(epriv->wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT));
- priv_key.components = malloc(sizeof(bigint_t*));
- priv_key.components[0] = epriv;
- priv_key.n = 1;
- bigint_changeendianess(epriv);
- bigint_adjust(epriv);
-}
-
-
-void load_priv_crt_mono(void){
- bigint_t **v;
- const uint8_t *bv[5] = {P,Q,DP,DQ,QINV};
- uint16_t sv[5] = {sizeof(P), sizeof(Q), sizeof(DP), sizeof(DQ), sizeof(QINV)};
- uint8_t i;
- v = malloc(5 * sizeof(bigint_t));
- if(!v){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- priv_key.components = malloc(5*sizeof(bigint_t*));
- if(!priv_key.components){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- priv_key.n = 5;
- for(i=0; i<5; ++i){
- v[i] = malloc(sizeof(bigint_t));
- v[i]->info = 0;
- v[i]->length_B = (sv[i] + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
- v[i]->wordv = calloc(v[i]->length_B , sizeof(bigint_word_t));
- if(!v[i]->wordv){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- memcpy(v[i]->wordv, bv[i], sv[i]);
- bigint_changeendianess(v[i]);
- bigint_adjust(v[i]);
- priv_key.components[i] = v[i];
- }
-}
-
-uint8_t load_bigint_from_os(bigint_t* a, PGM_VOID_P os, uint16_t length_B){
- a->length_B = BIGINT_CEIL(length_B) / sizeof(bigint_word_t);
- a->wordv = malloc(BIGINT_CEIL(length_B));
- if(!a->wordv){
- cli_putstr_P(PSTR("\r\nOOM!\r\n"));
- return 1;
- }
- memset(a->wordv, 0, sizeof(bigint_word_t));
- memcpy_P((uint8_t*)a->wordv + BIGINT_OFF(length_B), os, length_B);
- a->info = 0;
- bigint_changeendianess(a);
- bigint_adjust(a);
- return 0;
-}
-
-void load_fix_rsa(void){
- if(keys_allocated){
- free_key();
- }
- keys_allocated = 1;
-
- if(pre_alloc_key_crt()){
- cli_putstr_P(PSTR("\r\nOOM!\r\n"));
- return;
- }
-
- load_bigint_from_os(pub_key.modulus, MODULUS, sizeof(MODULUS));
- load_bigint_from_os(pub_key.exponent, PUB_EXPONENT, sizeof(PUB_EXPONENT));
- priv_key.n = 5;
- load_bigint_from_os(priv_key.components[0], P, sizeof(P));
- load_bigint_from_os(priv_key.components[1], Q, sizeof(Q));
- load_bigint_from_os(priv_key.components[2], DP, sizeof(DP));
- load_bigint_from_os(priv_key.components[3], DQ, sizeof(DQ));
- load_bigint_from_os(priv_key.components[4], QINV, sizeof(QINV));
-
-// load_priv_conventional();
-// load_priv_crt_mono();
-}
-
-void quick_test(void){
- uint8_t *ciphertext, *plaintext, rc;
- uint8_t seed[sizeof(SEED)];
- uint16_t clen, plen;
- ciphertext = malloc(clen = pub_key.modulus->length_B * sizeof(bigint_word_t));
- plaintext = malloc(pub_key.modulus->length_B * sizeof(bigint_word_t));
- memcpy_P(plaintext, MSG, sizeof(MSG));
- memcpy_P(seed, SEED, sizeof(SEED));
- cli_putstr_P(PSTR("\r\nplaintext:"));
- cli_hexdump_block(plaintext, sizeof(MSG), 4, 8);
- cli_putstr_P(PSTR("\r\nencrypting: ..."));
- rc = rsa_encrypt_oaep(ciphertext, &clen, plaintext, sizeof(MSG), &pub_key, NULL, NULL, seed);
- if(rc){
- cli_putstr_P(PSTR("\r\nERROR: rsa_encrypt_oaep returned: "));
- cli_hexdump_byte(rc);
- return;
-
- }
-
- cli_putstr_P(PSTR("\r\n\r\nciphertext:"));
- cli_hexdump_block(ciphertext, clen, 4, 8);
- if(clen!=sizeof(ENCRYPTED)){
- cli_putstr_P(PSTR("\r\n>>FAIL (no size match)<<"));
- }else{
- if(memcmp_P(ciphertext, ENCRYPTED, clen)){
- cli_putstr_P(PSTR("\r\n>>FAIL (no content match)<<"));
- }else{
- cli_putstr_P(PSTR("\r\n>>OK<<"));
- }
- }
-
- cli_putstr_P(PSTR("\r\ndecrypting: ..."));
- rc = rsa_decrypt_oaep(plaintext, &plen, ciphertext, clen, &priv_key, NULL, NULL, NULL);
- if(rc){
- cli_putstr_P(PSTR("\r\nERROR: rsa_decrypt_oaep returned: "));
- cli_hexdump_byte(rc);
- return;
- }
- cli_putstr_P(PSTR("\r\n\r\nplaintext:"));
- cli_hexdump_block(plaintext, plen, 4, 8);
-
- free(ciphertext);
- free(plaintext);
-}
-
-void run_seed_test(void){
- uint8_t *msg, *ciph, *msg_;
- uint16_t msg_len, ciph_len, msg_len_;
- uint8_t seed[20], seed_out[20];
- char read_int_str[18];
- cli_putstr_P(PSTR("\r\n== test with given seed =="));
- cli_putstr_P(PSTR("\r\n = message ="));
- cli_putstr_P(PSTR("\r\n length: "));
- cli_getsn(read_int_str, 16);
- msg_len = own_atou(read_int_str);
- msg = malloc(msg_len);
- if(!msg){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- ciph = malloc(bigint_length_B(pub_key.modulus));
- if(!ciph){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- msg_ = malloc(bigint_length_B(pub_key.modulus));
- if(!msg_){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- cli_putstr_P(PSTR("\r\n data: "));
- read_os(msg, msg_len, NULL);
- cli_putstr_P(PSTR("\r\n seed (20 bytes): "));
- read_os(seed, 20, NULL);
-
- cli_putstr_P(PSTR("\r\n encrypting ..."));
- rsa_encrypt_oaep(ciph, &ciph_len, msg, msg_len, &pub_key, NULL, NULL, seed);
- cli_putstr_P(PSTR("\r\n ciphertext:"));
- cli_hexdump_block(ciph, ciph_len, 4, 16);
- cli_putstr_P(PSTR("\r\n decrypting ... "));
- rsa_decrypt_oaep(msg_, &msg_len_, ciph, ciph_len, &priv_key, NULL, NULL, seed_out);
- cli_putstr_P(PSTR("[done]"));
- if(msg_len != msg_len_){
- char tstr[16];
- cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message length ("));
- itoa(msg_len_, tstr, 10);
- cli_putstr(tstr);
- cli_putstr_P(PSTR(" instead of "));
- itoa(msg_len, tstr, 10);
- cli_putstr(tstr);
- cli_putc(')');
- goto end;
- }
- if(memcmp(msg, msg_, msg_len)){
- cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message:"));
- cli_hexdump_block(msg_, msg_len_, 4, 16);
- cli_putstr_P(PSTR("\r\nreference:"));
- cli_hexdump_block(msg, msg_len, 4, 16);
- goto end;
- }
-
- if(memcmp(seed, seed_out, 20)){
- cli_putstr_P(PSTR("\r\nERROR: wrong decrypted seed:"));
- cli_hexdump_block(seed_out, 20, 4, 16);
- cli_putstr_P(PSTR("\r\nreference:"));
- cli_hexdump_block(seed, 20, 4, 16);
- goto end;
- }
- cli_putstr_P(PSTR("\r\n >>OK<<"));
-end:
- free(msg);
- free(msg_);
- free(ciph);
-}
-
-void reset_prng(void){
- uint8_t buf[16];
- memset(buf, 0, 16);
- random_seed(buf);
- cli_putstr_P(PSTR("\r\nPRNG reset"));
-}
-
-void rsa_init(void){
- prng_get_byte = random8;
-}
-
-void load_key(void){
- if(keys_allocated){
- free_key();
- }
- keys_allocated = 1;
- read_key_crt();
-}
-
-void test_dump(void){
- char lstr[16];
- int len;
- cli_putstr_P(PSTR("\r\nenter dump length: "));
- cli_getsn_cecho(lstr, 15);
- len = own_atou(lstr);
- cli_putstr_P(PSTR("\r\ndumping 0x"));
- cli_hexdump_rev(&len, 2);
- cli_putstr_P(PSTR(" byte:"));
- cli_hexdump_block(pub_key.modulus->wordv, len, 4, 8);
-}
-
-/*****************************************************************************
- * main *
- *****************************************************************************/
-
-const char echo_test_str[] PROGMEM = "echo-test";
-const char reset_prng_str[] PROGMEM = "reset-prng";
-const char load_key_str[] PROGMEM = "load-key";
-const char load_fix_key_str[] PROGMEM = "load-fix-key";
-const char quick_test_str[] PROGMEM = "quick-test";
-const char seed_test_str[] PROGMEM = "seed-test";
-const char dump_test_str[] PROGMEM = "dump-test";
-const char performance_str[] PROGMEM = "performance";
-const char echo_str[] PROGMEM = "echo";
-
-const cmdlist_entry_t cmdlist[] PROGMEM = {
- { reset_prng_str, NULL, reset_prng },
- { load_key_str, NULL, load_key },
- { load_fix_key_str, NULL, load_fix_rsa },
- { quick_test_str, NULL, quick_test },
- { seed_test_str, NULL, run_seed_test },
- { dump_test_str, NULL, test_dump },
-// { performance_str, NULL, testrun_performance_bigint },
- { echo_str, (void*)1, (void_fpt)echo_ctrl },
- { NULL, NULL, NULL }
-};
-
-void dump_sp(void){
- uint8_t x;
- uint8_t *xa = &x;
- cli_putstr_P(PSTR("\r\nstack pointer: ~"));
- cli_hexdump_rev(&xa, 4);
-}
-
-int main (void){
- main_setup();
-
- for(;;){
- welcome_msg(algo_name);
- rsa_init();
- cmd_interface(cmdlist);
- }
-}
+++ /dev/null
-/* main-dsa-test.c */
-/*
- This file is part of the ARM-Crypto-Lib.
- Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
-
- This program is free software: you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation, either version 3 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-/*
- * RSA test-suit
- *
-*/
-#include "main-test-common.h"
-
-#include "noekeon.h"
-#include "noekeon_prng.h"
-#include "bigint.h"
-#include "bigint_io.h"
-#include "random_dummy.h"
-#include "rsa_basic.h"
-#include "rsa_pkcs15.h"
-
-#include "performance_test.h"
-
-const char* algo_name = "RSA-PKCS15";
-
-#define BIGINT_CEIL(x) ((((x) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t))
-#define BIGINT_OFF(x) ((sizeof(bigint_word_t) - (x) % sizeof(bigint_word_t)) % sizeof(bigint_word_t))
-
-/*****************************************************************************
- * additional validation-functions *
- *****************************************************************************/
-
-/* Modulus: */
-const uint8_t modulus[] PROGMEM = {
-0xa8, 0xb3, 0xb2, 0x84, 0xaf, 0x8e, 0xb5, 0x0b, 0x38, 0x70, 0x34, 0xa8, 0x60, 0xf1, 0x46, 0xc4,
-0x91, 0x9f, 0x31, 0x87, 0x63, 0xcd, 0x6c, 0x55, 0x98, 0xc8, 0xae, 0x48, 0x11, 0xa1, 0xe0, 0xab,
-0xc4, 0xc7, 0xe0, 0xb0, 0x82, 0xd6, 0x93, 0xa5, 0xe7, 0xfc, 0xed, 0x67, 0x5c, 0xf4, 0x66, 0x85,
-0x12, 0x77, 0x2c, 0x0c, 0xbc, 0x64, 0xa7, 0x42, 0xc6, 0xc6, 0x30, 0xf5, 0x33, 0xc8, 0xcc, 0x72,
-0xf6, 0x2a, 0xe8, 0x33, 0xc4, 0x0b, 0xf2, 0x58, 0x42, 0xe9, 0x84, 0xbb, 0x78, 0xbd, 0xbf, 0x97,
-0xc0, 0x10, 0x7d, 0x55, 0xbd, 0xb6, 0x62, 0xf5, 0xc4, 0xe0, 0xfa, 0xb9, 0x84, 0x5c, 0xb5, 0x14,
-0x8e, 0xf7, 0x39, 0x2d, 0xd3, 0xaa, 0xff, 0x93, 0xae, 0x1e, 0x6b, 0x66, 0x7b, 0xb3, 0xd4, 0x24,
-0x76, 0x16, 0xd4, 0xf5, 0xba, 0x10, 0xd4, 0xcf, 0xd2, 0x26, 0xde, 0x88, 0xd3, 0x9f, 0x16, 0xfb
-};
-
-/* Public exponent: */
-const uint8_t pub_exponent[] PROGMEM = { 0x01, 0x00, 0x01 };
-
-/* Exponent: */
-const uint8_t priv_exponent[] PROGMEM = {
-0x53, 0x33, 0x9c, 0xfd, 0xb7, 0x9f, 0xc8, 0x46, 0x6a, 0x65, 0x5c, 0x73, 0x16, 0xac, 0xa8, 0x5c,
-0x55, 0xfd, 0x8f, 0x6d, 0xd8, 0x98, 0xfd, 0xaf, 0x11, 0x95, 0x17, 0xef, 0x4f, 0x52, 0xe8, 0xfd,
-0x8e, 0x25, 0x8d, 0xf9, 0x3f, 0xee, 0x18, 0x0f, 0xa0, 0xe4, 0xab, 0x29, 0x69, 0x3c, 0xd8, 0x3b,
-0x15, 0x2a, 0x55, 0x3d, 0x4a, 0xc4, 0xd1, 0x81, 0x2b, 0x8b, 0x9f, 0xa5, 0xaf, 0x0e, 0x7f, 0x55,
-0xfe, 0x73, 0x04, 0xdf, 0x41, 0x57, 0x09, 0x26, 0xf3, 0x31, 0x1f, 0x15, 0xc4, 0xd6, 0x5a, 0x73,
-0x2c, 0x48, 0x31, 0x16, 0xee, 0x3d, 0x3d, 0x2d, 0x0a, 0xf3, 0x54, 0x9a, 0xd9, 0xbf, 0x7c, 0xbf,
-0xb7, 0x8a, 0xd8, 0x84, 0xf8, 0x4d, 0x5b, 0xeb, 0x04, 0x72, 0x4d, 0xc7, 0x36, 0x9b, 0x31, 0xde,
-0xf3, 0x7d, 0x0c, 0xf5, 0x39, 0xe9, 0xcf, 0xcd, 0xd3, 0xde, 0x65, 0x37, 0x29, 0xea, 0xd5, 0xd1
-};
-
-/* Prime 1: */
-const uint8_t p[] PROGMEM = {
-0xd3, 0x27, 0x37, 0xe7, 0x26, 0x7f, 0xfe, 0x13, 0x41, 0xb2, 0xd5, 0xc0, 0xd1, 0x50, 0xa8, 0x1b,
-0x58, 0x6f, 0xb3, 0x13, 0x2b, 0xed, 0x2f, 0x8d, 0x52, 0x62, 0x86, 0x4a, 0x9c, 0xb9, 0xf3, 0x0a,
-0xf3, 0x8b, 0xe4, 0x48, 0x59, 0x8d, 0x41, 0x3a, 0x17, 0x2e, 0xfb, 0x80, 0x2c, 0x21, 0xac, 0xf1,
-0xc1, 0x1c, 0x52, 0x0c, 0x2f, 0x26, 0xa4, 0x71, 0xdc, 0xad, 0x21, 0x2e, 0xac, 0x7c, 0xa3, 0x9d
-};
-
-/* Prime 2: */
-const uint8_t q[] PROGMEM = {
-0xcc, 0x88, 0x53, 0xd1, 0xd5, 0x4d, 0xa6, 0x30, 0xfa, 0xc0, 0x04, 0xf4, 0x71, 0xf2, 0x81, 0xc7,
-0xb8, 0x98, 0x2d, 0x82, 0x24, 0xa4, 0x90, 0xed, 0xbe, 0xb3, 0x3d, 0x3e, 0x3d, 0x5c, 0xc9, 0x3c,
-0x47, 0x65, 0x70, 0x3d, 0x1d, 0xd7, 0x91, 0x64, 0x2f, 0x1f, 0x11, 0x6a, 0x0d, 0xd8, 0x52, 0xbe,
-0x24, 0x19, 0xb2, 0xaf, 0x72, 0xbf, 0xe9, 0xa0, 0x30, 0xe8, 0x60, 0xb0, 0x28, 0x8b, 0x5d, 0x77
-};
-
-/* Prime exponent 1: */
-const uint8_t dp[] PROGMEM = {
-0x0e, 0x12, 0xbf, 0x17, 0x18, 0xe9, 0xce, 0xf5, 0x59, 0x9b, 0xa1, 0xc3, 0x88, 0x2f, 0xe8, 0x04,
-0x6a, 0x90, 0x87, 0x4e, 0xef, 0xce, 0x8f, 0x2c, 0xcc, 0x20, 0xe4, 0xf2, 0x74, 0x1f, 0xb0, 0xa3,
-0x3a, 0x38, 0x48, 0xae, 0xc9, 0xc9, 0x30, 0x5f, 0xbe, 0xcb, 0xd2, 0xd7, 0x68, 0x19, 0x96, 0x7d,
-0x46, 0x71, 0xac, 0xc6, 0x43, 0x1e, 0x40, 0x37, 0x96, 0x8d, 0xb3, 0x78, 0x78, 0xe6, 0x95, 0xc1
-};
-
-/* Prime exponent 2: */
-const uint8_t dq[] PROGMEM = {
-0x95, 0x29, 0x7b, 0x0f, 0x95, 0xa2, 0xfa, 0x67, 0xd0, 0x07, 0x07, 0xd6, 0x09, 0xdf, 0xd4, 0xfc,
-0x05, 0xc8, 0x9d, 0xaf, 0xc2, 0xef, 0x6d, 0x6e, 0xa5, 0x5b, 0xec, 0x77, 0x1e, 0xa3, 0x33, 0x73,
-0x4d, 0x92, 0x51, 0xe7, 0x90, 0x82, 0xec, 0xda, 0x86, 0x6e, 0xfe, 0xf1, 0x3c, 0x45, 0x9e, 0x1a,
-0x63, 0x13, 0x86, 0xb7, 0xe3, 0x54, 0xc8, 0x99, 0xf5, 0xf1, 0x12, 0xca, 0x85, 0xd7, 0x15, 0x83
-};
-
-/* Coefficient: */
-const uint8_t qinv[] PROGMEM = {
-0x4f, 0x45, 0x6c, 0x50, 0x24, 0x93, 0xbd, 0xc0, 0xed, 0x2a, 0xb7, 0x56, 0xa3, 0xa6, 0xed, 0x4d,
-0x67, 0x35, 0x2a, 0x69, 0x7d, 0x42, 0x16, 0xe9, 0x32, 0x12, 0xb1, 0x27, 0xa6, 0x3d, 0x54, 0x11,
-0xce, 0x6f, 0xa9, 0x8d, 0x5d, 0xbe, 0xfd, 0x73, 0x26, 0x3e, 0x37, 0x28, 0x14, 0x27, 0x43, 0x81,
-0x81, 0x66, 0xed, 0x7d, 0xd6, 0x36, 0x87, 0xdd, 0x2a, 0x8c, 0xa1, 0xd2, 0xf4, 0xfb, 0xd8, 0xe1
-};
-
-/* PKCS#1 v1.5 encryption of 0x20, random messages with random s0xee,ds
- * ---------------------------------------------------------------------------
- */
-
-/* Message: */
-const uint8_t message_x[] PROGMEM = {
-0x66, 0x28, 0x19, 0x4e, 0x12, 0x07, 0x3d, 0xb0, 0x3b, 0xa9, 0x4c, 0xda, 0x9e, 0xf9, 0x53, 0x23,
-0x97, 0xd5, 0x0d, 0xba, 0x79, 0xb9, 0x87, 0x00, 0x4a, 0xfe, 0xfe, 0x34
-};
-
-/* Seed: */
-const uint8_t seed_x[] PROGMEM = {
-0x01, 0x73, 0x41, 0xae, 0x38, 0x75, 0xd5, 0xf8, 0x71, 0x01, 0xf8, 0xcc, 0x4f, 0xa9, 0xb9, 0xbc,
-0x15, 0x6b, 0xb0, 0x46, 0x28, 0xfc, 0xcd, 0xb2, 0xf4, 0xf1, 0x1e, 0x90, 0x5b, 0xd3, 0xa1, 0x55,
-0xd3, 0x76, 0xf5, 0x93, 0xbd, 0x73, 0x04, 0x21, 0x08, 0x74, 0xeb, 0xa0, 0x8a, 0x5e, 0x22, 0xbc,
-0xcc, 0xb4, 0xc9, 0xd3, 0x88, 0x2a, 0x93, 0xa5, 0x4d, 0xb0, 0x22, 0xf5, 0x03, 0xd1, 0x63, 0x38,
-0xb6, 0xb7, 0xce, 0x16, 0xdc, 0x7f, 0x4b, 0xbf, 0x9a, 0x96, 0xb5, 0x97, 0x72, 0xd6, 0x60, 0x6e,
-0x97, 0x47, 0xc7, 0x64, 0x9b, 0xf9, 0xe0, 0x83, 0xdb, 0x98, 0x18, 0x84, 0xa9, 0x54, 0xab, 0x3c,
-0x6f };
-
-/* Encryption: */
-const uint8_t encrypted_x[] PROGMEM = {
-0x50, 0xb4, 0xc1, 0x41, 0x36, 0xbd, 0x19, 0x8c, 0x2f, 0x3c, 0x3e, 0xd2, 0x43, 0xfc, 0xe0, 0x36,
-0xe1, 0x68, 0xd5, 0x65, 0x17, 0x98, 0x4a, 0x26, 0x3c, 0xd6, 0x64, 0x92, 0xb8, 0x08, 0x04, 0xf1,
-0x69, 0xd2, 0x10, 0xf2, 0xb9, 0xbd, 0xfb, 0x48, 0xb1, 0x2f, 0x9e, 0xa0, 0x50, 0x09, 0xc7, 0x7d,
-0xa2, 0x57, 0xcc, 0x60, 0x0c, 0xce, 0xfe, 0x3a, 0x62, 0x83, 0x78, 0x9d, 0x8e, 0xa0, 0xe6, 0x07,
-0xac, 0x58, 0xe2, 0x69, 0x0e, 0xc4, 0xeb, 0xc1, 0x01, 0x46, 0xe8, 0xcb, 0xaa, 0x5e, 0xd4, 0xd5,
-0xcc, 0xe6, 0xfe, 0x7b, 0x0f, 0xf9, 0xef, 0xc1, 0xea, 0xbb, 0x56, 0x4d, 0xbf, 0x49, 0x82, 0x85,
-0xf4, 0x49, 0xee, 0x61, 0xdd, 0x7b, 0x42, 0xee, 0x5b, 0x58, 0x92, 0xcb, 0x90, 0x60, 0x1f, 0x30,
-0xcd, 0xa0, 0x7b, 0xf2, 0x64, 0x89, 0x31, 0x0b, 0xcd, 0x23, 0xb5, 0x28, 0xce, 0xab, 0x3c, 0x31
-};
-
-uint8_t keys_allocated = 0;
-rsa_publickey_t pub_key;
-rsa_privatekey_t priv_key;
-
-#if 1
- #define MSG message_x
- #define SEED seed_x
- #define ENCRYPTED encrypted_x
- #define MODULUS modulus
- #define PUB_EXPONENT pub_exponent
- #define PRIV_EXPONENT priv_exponent
- #define P p
- #define Q q
- #define DP dp
- #define DQ dq
- #define QINV qinv
-#endif
-
-
-uint8_t convert_nibble(uint8_t c){
- if(c>='0' && c<='9'){
- return c - '0';
- }
- c |= 'A' ^ 'a';
- if(c>='a' && c<='f'){
- return c - 'a' + 10;
- }
- return 0xff;
-}
-
-const char *block_ignore_string=" \t\r\n,;";
-#define BUFFER_LIMIT 120
-uint16_t read_os(void* dst, uint16_t length, const char* ignore_string){
- uint16_t counter = 0;
- uint16_t c;
- uint8_t v, tmp = 0, idx = 0;
- if(!ignore_string){
- ignore_string = block_ignore_string;
- }
- while(counter < length){
- c = cli_getc();
- if(c > 0xff){
- return counter;
- }
- if(strchr(ignore_string, c)){
- continue;
- }
- v = convert_nibble(c);
- if(v > 0x0f){
- return counter;
- }
- if(idx){
- ((uint8_t*)dst)[counter++] = (tmp << 4) | v;
- idx = 0;
- if(counter % (BUFFER_LIMIT/2) == 0){
- cli_putc('.');
- }
- }else{
- tmp = v;
- idx = 1;
- }
- }
- return counter;
-}
-
-uint16_t own_atou(const char* str){
- uint16_t r=0;
- while(*str && *str >= '0' && *str <= '9'){
- r *= 10;
- r += *str++ - '0';
- }
- return r;
-}
-
-uint8_t read_bigint(bigint_t* a, char* prompt){
- uint16_t read_length, actual_length;
- uint8_t off;
- uint8_t *buffer;
- char read_int_str[18];
- cli_putstr(prompt);
- cli_putstr_P(PSTR("\r\n length: "));
- cli_getsn(read_int_str, 16);
- read_length = own_atou(read_int_str);
- off = (sizeof(bigint_word_t) - (read_length % sizeof(bigint_word_t))) % sizeof(bigint_word_t);
- buffer = malloc(((read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t));
- if(!buffer){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- cli_putstr_P(PSTR("\r\n data: "));
- memset(buffer, 0, sizeof(bigint_word_t));
- actual_length = read_os(buffer + off, read_length, NULL);
- if(actual_length != read_length){
- cli_putstr_P(PSTR("\r\nERROR: unexpected end of data!"));
- free(buffer);
- return 1;
- }
- a->wordv = (bigint_word_t*)buffer;
- a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
- bigint_changeendianess(a);
- bigint_adjust(a);
- return 0;
-}
-
-uint8_t pre_alloc_key_crt(void){
- uint8_t c;
- pub_key.modulus = malloc(sizeof(bigint_t));
- if(!pub_key.modulus){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- priv_key.modulus = pub_key.modulus;
- priv_key.n = 5;
- priv_key.components = malloc(5 * sizeof(bigint_t*));
- if(!priv_key.components){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- pub_key.exponent = malloc(sizeof(bigint_t));
- if(!pub_key.exponent){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- for(c=0; c<5; ++c){
- priv_key.components[c] = malloc(sizeof(bigint_t));
- if(!priv_key.components[c]){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- }
- return 0;
-}
-
-void free_key(void){
- uint8_t c;
- free(pub_key.modulus->wordv);
- free(pub_key.exponent->wordv);
- free(pub_key.modulus);
- pub_key.modulus = priv_key.modulus = NULL;
- free(pub_key.exponent);
- pub_key.exponent = NULL;
- for(c = 0; c < priv_key.n; ++c){
- free(priv_key.components[c]->wordv);
- free(priv_key.components[c]);
- }
- free(priv_key.components);
- priv_key.components = NULL;
-}
-
-uint8_t read_key_crt(void){
- uint8_t r;
- cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
- r = pre_alloc_key_crt();
- if(r) return r;
- r = read_bigint(pub_key.modulus,"\r\n = module =");
- if(r) return r;
- r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
- if(r) return r;
- r = read_bigint(priv_key.components[0],"\r\n = p (first prime) =");
- if(r) return r;
- r = read_bigint(priv_key.components[1],"\r\n = q (second prime) =");
- if(r) return r;
- r = read_bigint(priv_key.components[2],"\r\n = dp (p's exponent) =");
- if(r) return r;
- r = read_bigint(priv_key.components[3],"\r\n = dq (q's exponent) =");
- if(r) return r;
- r = read_bigint(priv_key.components[4],"\r\n = qInv (q' coefficient) =");
-/*
- cli_putstr_P(PSTR("\r\nmodulus:"));
- bigint_print_hex(pub_key.modulus);
- cli_putstr_P(PSTR("\r\npublic exponent:"));
- bigint_print_hex(pub_key.exponent);
- cli_putstr_P(PSTR("\r\np:"));
- bigint_print_hex(priv_key.components[0]);
- cli_putstr_P(PSTR("\r\nq:"));
- bigint_print_hex(priv_key.components[1]);
- cli_putstr_P(PSTR("\r\ndP:"));
- bigint_print_hex(priv_key.components[2]);
- cli_putstr_P(PSTR("\r\ndQ:"));
- bigint_print_hex(priv_key.components[3]);
- cli_putstr_P(PSTR("\r\nqInv:"));
- bigint_print_hex(priv_key.components[4]);
-*/
- return r;
-}
-
-uint8_t read_key_conv(void){
- uint8_t r;
- cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
- pub_key.modulus = malloc(sizeof(bigint_t));
- if(!pub_key.modulus){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- r = read_bigint(pub_key.modulus,"\r\n = module =");
- if(r) return r;
- priv_key.modulus = pub_key.modulus;
- priv_key.n = 1;
- pub_key.exponent = malloc(sizeof(bigint_t));
- if(!pub_key.exponent){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- priv_key.components = malloc(sizeof(bigint_t*));
- if(!priv_key.components){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- priv_key.components[0] = malloc(sizeof(bigint_t));
- if(!priv_key.components[0]){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return 2;
- }
- r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
- if(r) return r;
- r = read_bigint(priv_key.components[0],"\r\n = private exponent =");
- return r;
-}
-
-void load_priv_conventional(void){
- bigint_t *epriv;
- epriv = malloc(sizeof(bigint_t));
- if(!epriv){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- epriv->length_B = (sizeof(PRIV_EXPONENT) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
- epriv->wordv = malloc(epriv->length_B * sizeof(bigint_word_t));
- if(!epriv->wordv){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- memcpy(epriv->wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT));
- priv_key.components = malloc(sizeof(bigint_t*));
- priv_key.components[0] = epriv;
- priv_key.n = 1;
- bigint_changeendianess(epriv);
- bigint_adjust(epriv);
-}
-
-
-void load_priv_crt_mono(void){
- bigint_t **v;
- const uint8_t *bv[5] = {P,Q,DP,DQ,QINV};
- uint16_t sv[5] = {sizeof(P), sizeof(Q), sizeof(DP), sizeof(DQ), sizeof(QINV)};
- uint8_t i;
- v = malloc(5 * sizeof(bigint_t));
- if(!v){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- priv_key.components = malloc(5*sizeof(bigint_t*));
- if(!priv_key.components){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- priv_key.n = 5;
- for(i=0; i<5; ++i){
- v[i] = malloc(sizeof(bigint_t));
- v[i]->info = 0;
- v[i]->length_B = (sv[i] + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
- v[i]->wordv = calloc(v[i]->length_B , sizeof(bigint_word_t));
- if(!v[i]->wordv){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- memcpy(v[i]->wordv, bv[i], sv[i]);
- bigint_changeendianess(v[i]);
- bigint_adjust(v[i]);
- priv_key.components[i] = v[i];
- }
-}
-
-uint8_t load_bigint_from_os(bigint_t* a, PGM_VOID_P os, uint16_t length_B){
- a->length_B = BIGINT_CEIL(length_B) / sizeof(bigint_word_t);
- a->wordv = malloc(BIGINT_CEIL(length_B));
- if(!a->wordv){
- cli_putstr_P(PSTR("\r\nOOM!\r\n"));
- return 1;
- }
- memset(a->wordv, 0, sizeof(bigint_word_t));
- memcpy_P((uint8_t*)a->wordv + BIGINT_OFF(length_B), os, length_B);
- a->info = 0;
- bigint_changeendianess(a);
- bigint_adjust(a);
- return 0;
-}
-
-void load_fix_rsa(void){
- if(keys_allocated){
- free_key();
- }
- keys_allocated = 1;
-
- if(pre_alloc_key_crt()){
- cli_putstr_P(PSTR("\r\nOOM!\r\n"));
- return;
- }
-
- load_bigint_from_os(pub_key.modulus, MODULUS, sizeof(MODULUS));
- load_bigint_from_os(pub_key.exponent, PUB_EXPONENT, sizeof(PUB_EXPONENT));
- priv_key.n = 5;
- load_bigint_from_os(priv_key.components[0], P, sizeof(P));
- load_bigint_from_os(priv_key.components[1], Q, sizeof(Q));
- load_bigint_from_os(priv_key.components[2], DP, sizeof(DP));
- load_bigint_from_os(priv_key.components[3], DQ, sizeof(DQ));
- load_bigint_from_os(priv_key.components[4], QINV, sizeof(QINV));
-
-// load_priv_conventional();
-// load_priv_crt_mono();
-}
-
-void quick_test(void){
- uint8_t *ciphertext, *plaintext, rc;
- uint8_t seed[sizeof(SEED)], seed_out[sizeof(SEED)];
- uint16_t clen, plen;
- if(!keys_allocated){
- load_fix_rsa();
- }
- ciphertext = malloc(clen = pub_key.modulus->length_B * sizeof(bigint_word_t));
- plaintext = malloc(pub_key.modulus->length_B * sizeof(bigint_word_t));
- memcpy_P(plaintext, MSG, sizeof(MSG));
- memcpy_P(seed, SEED, sizeof(SEED));
- cli_putstr_P(PSTR("\r\nplaintext:"));
- cli_hexdump_block(plaintext, sizeof(MSG), 4, 16);
- cli_putstr_P(PSTR("\r\nseed:"));
- cli_hexdump_block(seed, sizeof(SEED), 4, 16);
- cli_putstr_P(PSTR("\r\nencrypting: ..."));
-
- rc = rsa_encrypt_pkcs15(ciphertext, &clen, plaintext, sizeof(MSG), &pub_key, seed);
- if(rc){
- cli_putstr_P(PSTR("\r\nERROR: rsa_encrypt_pkcs15 returned: "));
- cli_hexdump_byte(rc);
- return;
-
- }
-
- cli_putstr_P(PSTR("\r\n\r\nciphertext:"));
- cli_hexdump_block(ciphertext, clen, 4, 16);
- if(clen!=sizeof(ENCRYPTED)){
- cli_putstr_P(PSTR("\r\n>>FAIL (no size match)<<"));
- }else{
- if(memcmp_P(ciphertext, ENCRYPTED, clen)){
- cli_putstr_P(PSTR("\r\n>>FAIL (no content match)<<"));
- }else{
- cli_putstr_P(PSTR("\r\n>>OK<<"));
- }
- }
-
- cli_putstr_P(PSTR("\r\ndecrypting: ..."));
- rc = rsa_decrypt_pkcs15(plaintext, &plen, ciphertext, clen, &priv_key, seed_out);
- if(rc){
- cli_putstr_P(PSTR("\r\nERROR: rsa_decrypt_pkcs15 returned: "));
- cli_hexdump_byte(rc);
- return;
- }
- cli_putstr_P(PSTR("\r\n\r\nplaintext:"));
- cli_hexdump_block(plaintext, plen, 4, 16);
- cli_putstr_P(PSTR("\r\n\r\nseed (out):"));
- cli_hexdump_block(seed_out, sizeof(SEED), 4, 16);
-
- free(ciphertext);
- free(plaintext);
-}
-
-void run_seed_test(void){
- uint8_t *msg, *ciph, *msg_;
- uint16_t msg_len, ciph_len, msg_len_;
- uint16_t seed_len;
- uint8_t *seed, *seed_out;
- char read_int_str[18];
- cli_putstr_P(PSTR("\r\n== test with given seed =="));
- cli_putstr_P(PSTR("\r\n = message ="));
- cli_putstr_P(PSTR("\r\n length: "));
- cli_getsn(read_int_str, 16);
- msg_len = own_atou(read_int_str);
- seed_len = rsa_pkcs15_compute_padlength_B(pub_key.modulus, msg_len);
- seed = malloc(seed_len);
- if(!seed){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- seed_out = malloc(seed_len);
- if(!seed_out){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- msg = malloc(msg_len);
- if(!msg){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- ciph = malloc(bigint_length_B(pub_key.modulus));
- if(!ciph){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- msg_ = malloc(bigint_length_B(pub_key.modulus));
- if(!msg_){
- cli_putstr_P(PSTR("\r\nERROR: OOM!"));
- return;
- }
- cli_putstr_P(PSTR("\r\n data: "));
- read_os(msg, msg_len, NULL);
- cli_putstr_P(PSTR("\r\n seed (0x"));
- cli_hexdump_rev(&seed_len, 2);
- cli_putstr_P(PSTR(" bytes): "));
- read_os(seed, seed_len, NULL);
-
- cli_putstr_P(PSTR("\r\n encrypting ..."));
-/*
- cli_putstr_P(PSTR("\r\n plaintext:"));
- cli_hexdump_block(msg, msg_len, 4, 16);
- cli_putstr_P(PSTR("\r\n seed:"));
- cli_hexdump_block(seed, seed_len, 4, 16);
-*/
- rsa_encrypt_pkcs15(ciph, &ciph_len, msg, msg_len, &pub_key, seed);
- cli_putstr_P(PSTR("\r\n ciphertext:"));
- cli_hexdump_block(ciph, ciph_len, 4, 16);
- cli_putstr_P(PSTR("\r\n decrypting ... "));
- rsa_decrypt_pkcs15(msg_, &msg_len_, ciph, ciph_len, &priv_key, seed_out);
- cli_putstr_P(PSTR("[done]"));
- if(msg_len != msg_len_){
- char tstr[16];
- cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message length ("));
- itoa(msg_len_, tstr, 10);
- cli_putstr(tstr);
- cli_putstr_P(PSTR(" instead of "));
- itoa(msg_len, tstr, 10);
- cli_putstr(tstr);
- cli_putc(')');
- goto end;
- }
- if(memcmp(msg, msg_, msg_len)){
- cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message:"));
- cli_hexdump_block(msg_, msg_len_, 4, 16);
- cli_putstr_P(PSTR("\r\nreference:"));
- cli_hexdump_block(msg, msg_len, 4, 16);
- goto end;
- }
-
- if(memcmp(seed, seed_out, seed_len)){
- cli_putstr_P(PSTR("\r\nERROR: wrong decrypted seed:"));
- cli_hexdump_block(seed_out, seed_len, 4, 16);
- cli_putstr_P(PSTR("\r\nreference:"));
- cli_hexdump_block(seed, seed_len, 4, 16);
- goto end;
- }
- cli_putstr_P(PSTR("\r\n >>OK<<"));
-end:
- free(ciph);
- free(msg_);
- free(msg);
- free(seed_out);
- free(seed);
-}
-
-void reset_prng(void){
- uint8_t buf[16];
- memset(buf, 0, 16);
- random_seed(buf);
- cli_putstr_P(PSTR("\r\nPRNG reset"));
-}
-
-void rsa_init(void){
- prng_get_byte = random8;
-}
-
-void load_key(void){
- if(keys_allocated){
- free_key();
- }
- keys_allocated = 1;
- read_key_crt();
-}
-
-void test_dump(void){
- char lstr[16];
- int len;
- cli_putstr_P(PSTR("\r\nenter dump length: "));
- cli_getsn_cecho(lstr, 15);
- len = own_atou(lstr);
- cli_putstr_P(PSTR("\r\ndumping 0x"));
- cli_hexdump_rev(&len, 2);
- cli_putstr_P(PSTR(" byte:"));
- cli_hexdump_block(pub_key.modulus->wordv, len, 4, 8);
-}
-
-/*****************************************************************************
- * main *
- *****************************************************************************/
-
-const char echo_test_str[] PROGMEM = "echo-test";
-const char reset_prng_str[] PROGMEM = "reset-prng";
-const char load_key_str[] PROGMEM = "load-key";
-const char load_fix_key_str[] PROGMEM = "load-fix-key";
-const char quick_test_str[] PROGMEM = "quick-test";
-const char seed_test_str[] PROGMEM = "seed-test";
-const char dump_test_str[] PROGMEM = "dump-test";
-const char performance_str[] PROGMEM = "performance";
-const char echo_str[] PROGMEM = "echo";
-
-const cmdlist_entry_t cmdlist[] PROGMEM = {
- { reset_prng_str, NULL, reset_prng },
- { load_key_str, NULL, load_key },
- { load_fix_key_str, NULL, load_fix_rsa },
- { quick_test_str, NULL, quick_test },
- { seed_test_str, NULL, run_seed_test },
- { dump_test_str, NULL, test_dump },
-// { performance_str, NULL, testrun_performance_bigint },
- { echo_str, (void*)1, (void_fpt)echo_ctrl },
- { NULL, NULL, NULL }
-};
-
-void dump_sp(void){
- uint8_t x;
- uint8_t *xa = &x;
- cli_putstr_P(PSTR("\r\nstack pointer: ~"));
- cli_hexdump_rev(&xa, 4);
-}
-
-int main (void){
- main_setup();
-
- for(;;){
- welcome_msg(algo_name);
- rsa_init();
- cmd_interface(cmdlist);
- }
-}
--- /dev/null
+/* main-dsa-test.c */
+/*
+ This file is part of the ARM-Crypto-Lib.
+ Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * RSA test-suit
+ *
+*/
+#include "main-test-common.h"
+
+#include "noekeon.h"
+#include "noekeon_prng.h"
+#include "bigint.h"
+#include "bigint_io.h"
+#include "random_dummy.h"
+#include "rsa_basic.h"
+#include "rsaes_oaep.h"
+
+#include "performance_test.h"
+
+const char* algo_name = "RSAES-OAEP";
+
+#define BIGINT_CEIL(x) ((((x) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t))
+#define BIGINT_OFF(x) ((sizeof(bigint_word_t) - (x) % sizeof(bigint_word_t)) % sizeof(bigint_word_t))
+
+/*****************************************************************************
+ * additional validation-functions *
+ *****************************************************************************/
+#if 0
+/* ==================================
+ * Example 1: A 1024-bit RSA Key Pair
+ * ================================== */
+
+/* ------------------------------
+ * Components of the RSA Key Pair
+ * ------------------------------ */
+
+/* RSA modulus n: */
+const uint8_t modulus[] = {
+0xa8, 0xb3, 0xb2, 0x84, 0xaf, 0x8e, 0xb5, 0x0b, 0x38, 0x70, 0x34, 0xa8, 0x60, 0xf1, 0x46, 0xc4,
+0x91, 0x9f, 0x31, 0x87, 0x63, 0xcd, 0x6c, 0x55, 0x98, 0xc8, 0xae, 0x48, 0x11, 0xa1, 0xe0, 0xab,
+0xc4, 0xc7, 0xe0, 0xb0, 0x82, 0xd6, 0x93, 0xa5, 0xe7, 0xfc, 0xed, 0x67, 0x5c, 0xf4, 0x66, 0x85,
+0x12, 0x77, 0x2c, 0x0c, 0xbc, 0x64, 0xa7, 0x42, 0xc6, 0xc6, 0x30, 0xf5, 0x33, 0xc8, 0xcc, 0x72,
+0xf6, 0x2a, 0xe8, 0x33, 0xc4, 0x0b, 0xf2, 0x58, 0x42, 0xe9, 0x84, 0xbb, 0x78, 0xbd, 0xbf, 0x97,
+0xc0, 0x10, 0x7d, 0x55, 0xbd, 0xb6, 0x62, 0xf5, 0xc4, 0xe0, 0xfa, 0xb9, 0x84, 0x5c, 0xb5, 0x14,
+0x8e, 0xf7, 0x39, 0x2d, 0xd3, 0xaa, 0xff, 0x93, 0xae, 0x1e, 0x6b, 0x66, 0x7b, 0xb3, 0xd4, 0x24,
+0x76, 0x16, 0xd4, 0xf5, 0xba, 0x10, 0xd4, 0xcf, 0xd2, 0x26, 0xde, 0x88, 0xd3, 0x9f, 0x16, 0xfb
+};
+
+/* RSA public exponent e: */
+const uint8_t public_exponent[] = {
+0x00, 0x01, 0x00, 0x01
+};
+
+/* RSA private exponent d: */
+const uint8_t private_exponent[] = {
+0x53, 0x33, 0x9c, 0xfd, 0xb7, 0x9f, 0xc8, 0x46, 0x6a, 0x65, 0x5c, 0x73, 0x16, 0xac, 0xa8, 0x5c,
+0x55, 0xfd, 0x8f, 0x6d, 0xd8, 0x98, 0xfd, 0xaf, 0x11, 0x95, 0x17, 0xef, 0x4f, 0x52, 0xe8, 0xfd,
+0x8e, 0x25, 0x8d, 0xf9, 0x3f, 0xee, 0x18, 0x0f, 0xa0, 0xe4, 0xab, 0x29, 0x69, 0x3c, 0xd8, 0x3b,
+0x15, 0x2a, 0x55, 0x3d, 0x4a, 0xc4, 0xd1, 0x81, 0x2b, 0x8b, 0x9f, 0xa5, 0xaf, 0x0e, 0x7f, 0x55,
+0xfe, 0x73, 0x04, 0xdf, 0x41, 0x57, 0x09, 0x26, 0xf3, 0x31, 0x1f, 0x15, 0xc4, 0xd6, 0x5a, 0x73,
+0x2c, 0x48, 0x31, 0x16, 0xee, 0x3d, 0x3d, 0x2d, 0x0a, 0xf3, 0x54, 0x9a, 0xd9, 0xbf, 0x7c, 0xbf,
+0xb7, 0x8a, 0xd8, 0x84, 0xf8, 0x4d, 0x5b, 0xeb, 0x04, 0x72, 0x4d, 0xc7, 0x36, 0x9b, 0x31, 0xde,
+0xf3, 0x7d, 0x0c, 0xf5, 0x39, 0xe9, 0xcf, 0xcd, 0xd3, 0xde, 0x65, 0x37, 0x29, 0xea, 0xd5, 0xd1
+};
+
+/* Prime p: */
+const uint8_t p[] = {
+0xd3, 0x27, 0x37, 0xe7, 0x26, 0x7f, 0xfe, 0x13, 0x41, 0xb2, 0xd5, 0xc0, 0xd1, 0x50, 0xa8, 0x1b,
+0x58, 0x6f, 0xb3, 0x13, 0x2b, 0xed, 0x2f, 0x8d, 0x52, 0x62, 0x86, 0x4a, 0x9c, 0xb9, 0xf3, 0x0a,
+0xf3, 0x8b, 0xe4, 0x48, 0x59, 0x8d, 0x41, 0x3a, 0x17, 0x2e, 0xfb, 0x80, 0x2c, 0x21, 0xac, 0xf1,
+0xc1, 0x1c, 0x52, 0x0c, 0x2f, 0x26, 0xa4, 0x71, 0xdc, 0xad, 0x21, 0x2e, 0xac, 0x7c, 0xa3, 0x9d
+};
+
+/* Prime q: */
+const uint8_t q[] = {
+0xcc, 0x88, 0x53, 0xd1, 0xd5, 0x4d, 0xa6, 0x30, 0xfa, 0xc0, 0x04, 0xf4, 0x71, 0xf2, 0x81, 0xc7,
+0xb8, 0x98, 0x2d, 0x82, 0x24, 0xa4, 0x90, 0xed, 0xbe, 0xb3, 0x3d, 0x3e, 0x3d, 0x5c, 0xc9, 0x3c,
+0x47, 0x65, 0x70, 0x3d, 0x1d, 0xd7, 0x91, 0x64, 0x2f, 0x1f, 0x11, 0x6a, 0x0d, 0xd8, 0x52, 0xbe,
+0x24, 0x19, 0xb2, 0xaf, 0x72, 0xbf, 0xe9, 0xa0, 0x30, 0xe8, 0x60, 0xb0, 0x28, 0x8b, 0x5d, 0x77
+};
+
+/* p's CRT exponent dP: */
+const uint8_t dp[] = {
+0x0e, 0x12, 0xbf, 0x17, 0x18, 0xe9, 0xce, 0xf5, 0x59, 0x9b, 0xa1, 0xc3, 0x88, 0x2f, 0xe8, 0x04,
+0x6a, 0x90, 0x87, 0x4e, 0xef, 0xce, 0x8f, 0x2c, 0xcc, 0x20, 0xe4, 0xf2, 0x74, 0x1f, 0xb0, 0xa3,
+0x3a, 0x38, 0x48, 0xae, 0xc9, 0xc9, 0x30, 0x5f, 0xbe, 0xcb, 0xd2, 0xd7, 0x68, 0x19, 0x96, 0x7d,
+0x46, 0x71, 0xac, 0xc6, 0x43, 0x1e, 0x40, 0x37, 0x96, 0x8d, 0xb3, 0x78, 0x78, 0xe6, 0x95, 0xc1
+};
+
+/* q's CRT exponent dQ: */
+const uint8_t dq[] = {
+0x95, 0x29, 0x7b, 0x0f, 0x95, 0xa2, 0xfa, 0x67, 0xd0, 0x07, 0x07, 0xd6, 0x09, 0xdf, 0xd4, 0xfc,
+0x05, 0xc8, 0x9d, 0xaf, 0xc2, 0xef, 0x6d, 0x6e, 0xa5, 0x5b, 0xec, 0x77, 0x1e, 0xa3, 0x33, 0x73,
+0x4d, 0x92, 0x51, 0xe7, 0x90, 0x82, 0xec, 0xda, 0x86, 0x6e, 0xfe, 0xf1, 0x3c, 0x45, 0x9e, 0x1a,
+0x63, 0x13, 0x86, 0xb7, 0xe3, 0x54, 0xc8, 0x99, 0xf5, 0xf1, 0x12, 0xca, 0x85, 0xd7, 0x15, 0x83
+};
+
+/* CRT coefficient qInv: */
+const uint8_t qinv[] = {
+0x4f, 0x45, 0x6c, 0x50, 0x24, 0x93, 0xbd, 0xc0, 0xed, 0x2a, 0xb7, 0x56, 0xa3, 0xa6, 0xed, 0x4d,
+0x67, 0x35, 0x2a, 0x69, 0x7d, 0x42, 0x16, 0xe9, 0x32, 0x12, 0xb1, 0x27, 0xa6, 0x3d, 0x54, 0x11,
+0xce, 0x6f, 0xa9, 0x8d, 0x5d, 0xbe, 0xfd, 0x73, 0x26, 0x3e, 0x37, 0x28, 0x14, 0x27, 0x43, 0x81,
+0x81, 0x66, 0xed, 0x7d, 0xd6, 0x36, 0x87, 0xdd, 0x2a, 0x8c, 0xa1, 0xd2, 0xf4, 0xfb, 0xd8, 0xe1
+};
+
+/* ---------------------------------
+ * RSAES-OAEP Encryption Example 1.1
+ * --------------------------------- */
+
+/* Message to be, encrypted: */
+const uint8_t message[] = {
+0x66, 0x28, 0x19, 0x4e, 0x12, 0x07, 0x3d, 0xb0, 0x3b, 0xa9, 0x4c, 0xda, 0x9e, 0xf9, 0x53, 0x23,
+0x97, 0xd5, 0x0d, 0xba, 0x79, 0xb9, 0x87, 0x00, 0x4a, 0xfe, 0xfe, 0x34
+};
+
+/* Seed: */
+const uint8_t seed[] = {
+0x18, 0xb7, 0x76, 0xea, 0x21, 0x06, 0x9d, 0x69, 0x77, 0x6a, 0x33, 0xe9, 0x6b, 0xad, 0x48, 0xe1,
+0xdd, 0xa0, 0xa5, 0xef
+};
+
+/* Encryption: */
+const uint8_t encrypted[] = {
+0x35, 0x4f, 0xe6, 0x7b, 0x4a, 0x12, 0x6d, 0x5d, 0x35, 0xfe, 0x36, 0xc7, 0x77, 0x79, 0x1a, 0x3f,
+0x7b, 0xa1, 0x3d, 0xef, 0x48, 0x4e, 0x2d, 0x39, 0x08, 0xaf, 0xf7, 0x22, 0xfa, 0xd4, 0x68, 0xfb,
+0x21, 0x69, 0x6d, 0xe9, 0x5d, 0x0b, 0xe9, 0x11, 0xc2, 0xd3, 0x17, 0x4f, 0x8a, 0xfc, 0xc2, 0x01,
+0x03, 0x5f, 0x7b, 0x6d, 0x8e, 0x69, 0x40, 0x2d, 0xe5, 0x45, 0x16, 0x18, 0xc2, 0x1a, 0x53, 0x5f,
+0xa9, 0xd7, 0xbf, 0xc5, 0xb8, 0xdd, 0x9f, 0xc2, 0x43, 0xf8, 0xcf, 0x92, 0x7d, 0xb3, 0x13, 0x22,
+0xd6, 0xe8, 0x81, 0xea, 0xa9, 0x1a, 0x99, 0x61, 0x70, 0xe6, 0x57, 0xa0, 0x5a, 0x26, 0x64, 0x26,
+0xd9, 0x8c, 0x88, 0x00, 0x3f, 0x84, 0x77, 0xc1, 0x22, 0x70, 0x94, 0xa0, 0xd9, 0xfa, 0x1e, 0x8c,
+0x40, 0x24, 0x30, 0x9c, 0xe1, 0xec, 0xcc, 0xb5, 0x21, 0x00, 0x35, 0xd4, 0x7a, 0xc7, 0x2e, 0x8a
+};
+
+/* Message to be encrypted: */
+const uint8_t message2[] = {
+0x75, 0x0c, 0x40, 0x47, 0xf5, 0x47, 0xe8, 0xe4, 0x14, 0x11, 0x85, 0x65, 0x23, 0x29, 0x8a, 0xc9,
+0xba, 0xe2, 0x45, 0xef, 0xaf, 0x13, 0x97, 0xfb, 0xe5, 0x6f, 0x9d, 0xd5
+};
+
+/* Seed: */
+const uint8_t seed2[] = {
+0x0c, 0xc7, 0x42, 0xce, 0x4a, 0x9b, 0x7f, 0x32, 0xf9, 0x51, 0xbc, 0xb2, 0x51, 0xef, 0xd9, 0x25,
+0xfe, 0x4f, 0xe3, 0x5f
+};
+
+/* Encryption: */
+const uint8_t encrypted2[] = {
+0x64, 0x0d, 0xb1, 0xac, 0xc5, 0x8e, 0x05, 0x68, 0xfe, 0x54, 0x07, 0xe5, 0xf9, 0xb7, 0x01, 0xdf,
+0xf8, 0xc3, 0xc9, 0x1e, 0x71, 0x6c, 0x53, 0x6f, 0xc7, 0xfc, 0xec, 0x6c, 0xb5, 0xb7, 0x1c, 0x11,
+0x65, 0x98, 0x8d, 0x4a, 0x27, 0x9e, 0x15, 0x77, 0xd7, 0x30, 0xfc, 0x7a, 0x29, 0x93, 0x2e, 0x3f,
+0x00, 0xc8, 0x15, 0x15, 0x23, 0x6d, 0x8d, 0x8e, 0x31, 0x01, 0x7a, 0x7a, 0x09, 0xdf, 0x43, 0x52,
+0xd9, 0x04, 0xcd, 0xeb, 0x79, 0xaa, 0x58, 0x3a, 0xdc, 0xc3, 0x1e, 0xa6, 0x98, 0xa4, 0xc0, 0x52,
+0x83, 0xda, 0xba, 0x90, 0x89, 0xbe, 0x54, 0x91, 0xf6, 0x7c, 0x1a, 0x4e, 0xe4, 0x8d, 0xc7, 0x4b,
+0xbb, 0xe6, 0x64, 0x3a, 0xef, 0x84, 0x66, 0x79, 0xb4, 0xcb, 0x39, 0x5a, 0x35, 0x2d, 0x5e, 0xd1,
+0x15, 0x91, 0x2d, 0xf6, 0x96, 0xff, 0xe0, 0x70, 0x29, 0x32, 0x94, 0x6d, 0x71, 0x49, 0x2b, 0x44
+};
+
+/**********************************************************************************************/
+/* ---------------------------------
+ * RSAES-OAEP Encryption Example 2.1
+ * --------------------------------- */
+
+/* Message to be encrypted: */
+const uint8_t message3[] = {
+0x8f, 0xf0, 0x0c, 0xaa, 0x60, 0x5c, 0x70, 0x28, 0x30, 0x63, 0x4d, 0x9a, 0x6c, 0x3d, 0x42, 0xc6,
+0x52, 0xb5, 0x8c, 0xf1, 0xd9, 0x2f, 0xec, 0x57, 0x0b, 0xee, 0xe7
+};
+
+/* Seed: */
+const uint8_t seed3[] = {
+0x8c, 0x40, 0x7b, 0x5e, 0xc2, 0x89, 0x9e, 0x50, 0x99, 0xc5, 0x3e, 0x8c, 0xe7, 0x93, 0xbf, 0x94,
+0xe7, 0x1b, 0x17, 0x82
+};
+
+/* Encryption: */
+const uint8_t encrypted3[] = {
+0x01, 0x81, 0xaf, 0x89, 0x22, 0xb9, 0xfc, 0xb4, 0xd7, 0x9d, 0x92, 0xeb, 0xe1, 0x98, 0x15, 0x99,
+0x2f, 0xc0, 0xc1, 0x43, 0x9d, 0x8b, 0xcd, 0x49, 0x13, 0x98, 0xa0, 0xf4, 0xad, 0x3a, 0x32, 0x9a,
+0x5b, 0xd9, 0x38, 0x55, 0x60, 0xdb, 0x53, 0x26, 0x83, 0xc8, 0xb7, 0xda, 0x04, 0xe4, 0xb1, 0x2a,
+0xed, 0x6a, 0xac, 0xdf, 0x47, 0x1c, 0x34, 0xc9, 0xcd, 0xa8, 0x91, 0xad, 0xdc, 0xc2, 0xdf, 0x34,
+0x56, 0x65, 0x3a, 0xa6, 0x38, 0x2e, 0x9a, 0xe5, 0x9b, 0x54, 0x45, 0x52, 0x57, 0xeb, 0x09, 0x9d,
+0x56, 0x2b, 0xbe, 0x10, 0x45, 0x3f, 0x2b, 0x6d, 0x13, 0xc5, 0x9c, 0x02, 0xe1, 0x0f, 0x1f, 0x8a,
+0xbb, 0x5d, 0xa0, 0xd0, 0x57, 0x09, 0x32, 0xda, 0xcf, 0x2d, 0x09, 0x01, 0xdb, 0x72, 0x9d, 0x0f,
+0xef, 0xcc, 0x05, 0x4e, 0x70, 0x96, 0x8e, 0xa5, 0x40, 0xc8, 0x1b, 0x04, 0xbc, 0xae, 0xfe, 0x72,
+0x0e
+};
+#endif
+/**********************************************************************************************/
+
+/* ---------------------------------
+ * RSAES-OAEP Encryption Example 2.4
+ * --------------------------------- */
+
+/* Message to be encrypted: */
+const uint8_t message4[] PROGMEM = {
+0xa7, 0xeb, 0x2a, 0x50, 0x36, 0x93, 0x1d, 0x27, 0xd4, 0xe8, 0x91, 0x32, 0x6d, 0x99, 0x69, 0x2f,
+0xfa, 0xdd, 0xa9, 0xbf, 0x7e, 0xfd, 0x3e, 0x34, 0xe6, 0x22, 0xc4, 0xad, 0xc0, 0x85, 0xf7, 0x21,
+0xdf, 0xe8, 0x85, 0x07, 0x2c, 0x78, 0xa2, 0x03, 0xb1, 0x51, 0x73, 0x9b, 0xe5, 0x40, 0xfa, 0x8c,
+0x15, 0x3a, 0x10, 0xf0, 0x0a
+};
+
+/* Seed: */
+const uint8_t seed4[] PROGMEM = {
+0x9a, 0x7b, 0x3b, 0x0e, 0x70, 0x8b, 0xd9, 0x6f, 0x81, 0x90, 0xec, 0xab, 0x4f, 0xb9, 0xb2, 0xb3,
+0x80, 0x5a, 0x81, 0x56
+};
+
+/* Encryption: */
+const uint8_t encrypted4[] PROGMEM = {
+/* 0x00,*/ 0xa4, 0x57, 0x8c, 0xbc, 0x17, 0x63, 0x18, 0xa6, 0x38, 0xfb, 0xa7, 0xd0, 0x1d, 0xf1, 0x57,
+0x46, 0xaf, 0x44, 0xd4, 0xf6, 0xcd, 0x96, 0xd7, 0xe7, 0xc4, 0x95, 0xcb, 0xf4, 0x25, 0xb0, 0x9c,
+0x64, 0x9d, 0x32, 0xbf, 0x88, 0x6d, 0xa4, 0x8f, 0xba, 0xf9, 0x89, 0xa2, 0x11, 0x71, 0x87, 0xca,
+0xfb, 0x1f, 0xb5, 0x80, 0x31, 0x76, 0x90, 0xe3, 0xcc, 0xd4, 0x46, 0x92, 0x0b, 0x7a, 0xf8, 0x2b,
+0x31, 0xdb, 0x58, 0x04, 0xd8, 0x7d, 0x01, 0x51, 0x4a, 0xcb, 0xfa, 0x91, 0x56, 0xe7, 0x82, 0xf8,
+0x67, 0xf6, 0xbe, 0xd9, 0x44, 0x9e, 0x0e, 0x9a, 0x2c, 0x09, 0xbc, 0xec, 0xc6, 0xaa, 0x08, 0x76,
+0x36, 0x96, 0x5e, 0x34, 0xb3, 0xec, 0x76, 0x6f, 0x2f, 0xe2, 0xe4, 0x30, 0x18, 0xa2, 0xfd, 0xde,
+0xb1, 0x40, 0x61, 0x6a, 0x0e, 0x9d, 0x82, 0xe5, 0x33, 0x10, 0x24, 0xee, 0x06, 0x52, 0xfc, 0x76,
+0x41
+};
+
+/**********************************************************************************************/
+#if 1
+/* RSA modulus n: */
+const uint8_t modulus2[] PROGMEM = {
+0x01, 0x94, 0x7c, 0x7f, 0xce, 0x90, 0x42, 0x5f, 0x47, 0x27, 0x9e, 0x70, 0x85, 0x1f, 0x25, 0xd5,
+0xe6, 0x23, 0x16, 0xfe, 0x8a, 0x1d, 0xf1, 0x93, 0x71, 0xe3, 0xe6, 0x28, 0xe2, 0x60, 0x54, 0x3e,
+0x49, 0x01, 0xef, 0x60, 0x81, 0xf6, 0x8c, 0x0b, 0x81, 0x41, 0x19, 0x0d, 0x2a, 0xe8, 0xda, 0xba,
+0x7d, 0x12, 0x50, 0xec, 0x6d, 0xb6, 0x36, 0xe9, 0x44, 0xec, 0x37, 0x22, 0x87, 0x7c, 0x7c, 0x1d,
+0x0a, 0x67, 0xf1, 0x4b, 0x16, 0x94, 0xc5, 0xf0, 0x37, 0x94, 0x51, 0xa4, 0x3e, 0x49, 0xa3, 0x2d,
+0xde, 0x83, 0x67, 0x0b, 0x73, 0xda, 0x91, 0xa1, 0xc9, 0x9b, 0xc2, 0x3b, 0x43, 0x6a, 0x60, 0x05,
+0x5c, 0x61, 0x0f, 0x0b, 0xaf, 0x99, 0xc1, 0xa0, 0x79, 0x56, 0x5b, 0x95, 0xa3, 0xf1, 0x52, 0x66,
+0x32, 0xd1, 0xd4, 0xda, 0x60, 0xf2, 0x0e, 0xda, 0x25, 0xe6, 0x53, 0xc4, 0xf0, 0x02, 0x76, 0x6f,
+0x45
+};
+
+/* RSA public exponent e: */
+const uint8_t public_exponent2[] PROGMEM = {
+0x01, 0x00, 0x01
+};
+
+/* RSA private exponent d: */
+const uint8_t private_exponent2[] PROGMEM = {
+0x08, 0x23, 0xf2, 0x0f, 0xad, 0xb5, 0xda, 0x89, 0x08, 0x8a, 0x9d, 0x00, 0x89, 0x3e, 0x21, 0xfa,
+0x4a, 0x1b, 0x11, 0xfb, 0xc9, 0x3c, 0x64, 0xa3, 0xbe, 0x0b, 0xaa, 0xea, 0x97, 0xfb, 0x3b, 0x93,
+0xc3, 0xff, 0x71, 0x37, 0x04, 0xc1, 0x9c, 0x96, 0x3c, 0x1d, 0x10, 0x7a, 0xae, 0x99, 0x05, 0x47,
+0x39, 0xf7, 0x9e, 0x02, 0xe1, 0x86, 0xde, 0x86, 0xf8, 0x7a, 0x6d, 0xde, 0xfe, 0xa6, 0xd8, 0xcc,
+0xd1, 0xd3, 0xc8, 0x1a, 0x47, 0xbf, 0xa7, 0x25, 0x5b, 0xe2, 0x06, 0x01, 0xa4, 0xa4, 0xb2, 0xf0,
+0x8a, 0x16, 0x7b, 0x5e, 0x27, 0x9d, 0x71, 0x5b, 0x1b, 0x45, 0x5b, 0xdd, 0x7e, 0xab, 0x24, 0x59,
+0x41, 0xd9, 0x76, 0x8b, 0x9a, 0xce, 0xfb, 0x3c, 0xcd, 0xa5, 0x95, 0x2d, 0xa3, 0xce, 0xe7, 0x25,
+0x25, 0xb4, 0x50, 0x16, 0x63, 0xa8, 0xee, 0x15, 0xc9, 0xe9, 0x92, 0xd9, 0x24, 0x62, 0xfe, 0x39
+};
+
+/* Prime p: */
+const uint8_t p2[] PROGMEM = {
+0x01, 0x59, 0xdb, 0xde, 0x04, 0xa3, 0x3e, 0xf0, 0x6f, 0xb6, 0x08, 0xb8, 0x0b, 0x19, 0x0f, 0x4d,
+0x3e, 0x22, 0xbc, 0xc1, 0x3a, 0xc8, 0xe4, 0xa0, 0x81, 0x03, 0x3a, 0xbf, 0xa4, 0x16, 0xed, 0xb0,
+0xb3, 0x38, 0xaa, 0x08, 0xb5, 0x73, 0x09, 0xea, 0x5a, 0x52, 0x40, 0xe7, 0xdc, 0x6e, 0x54, 0x37,
+0x8c, 0x69, 0x41, 0x4c, 0x31, 0xd9, 0x7d, 0xdb, 0x1f, 0x40, 0x6d, 0xb3, 0x76, 0x9c, 0xc4, 0x1a,
+0x43
+};
+
+/* Prime q: */
+const uint8_t q2[] PROGMEM = {
+0x01, 0x2b, 0x65, 0x2f, 0x30, 0x40, 0x3b, 0x38, 0xb4, 0x09, 0x95, 0xfd, 0x6f, 0xf4, 0x1a, 0x1a,
+0xcc, 0x8a, 0xda, 0x70, 0x37, 0x32, 0x36, 0xb7, 0x20, 0x2d, 0x39, 0xb2, 0xee, 0x30, 0xcf, 0xb4,
+0x6d, 0xb0, 0x95, 0x11, 0xf6, 0xf3, 0x07, 0xcc, 0x61, 0xcc, 0x21, 0x60, 0x6c, 0x18, 0xa7, 0x5b,
+0x8a, 0x62, 0xf8, 0x22, 0xdf, 0x03, 0x1b, 0xa0, 0xdf, 0x0d, 0xaf, 0xd5, 0x50, 0x6f, 0x56, 0x8b,
+0xd7
+};
+
+/* p's CRT exponent dP: */
+const uint8_t dp2[] PROGMEM = {
+0x43, 0x6e, 0xf5, 0x08, 0xde, 0x73, 0x65, 0x19, 0xc2, 0xda, 0x4c, 0x58, 0x0d, 0x98, 0xc8, 0x2c,
+0xb7, 0x45, 0x2a, 0x3f, 0xb5, 0xef, 0xad, 0xc3, 0xb9, 0xc7, 0x78, 0x9a, 0x1b, 0xc6, 0x58, 0x4f,
+0x79, 0x5a, 0xdd, 0xbb, 0xd3, 0x24, 0x39, 0xc7, 0x46, 0x86, 0x55, 0x2e, 0xcb, 0x6c, 0x2c, 0x30,
+0x7a, 0x4d, 0x3a, 0xf7, 0xf5, 0x39, 0xee, 0xc1, 0x57, 0x24, 0x8c, 0x7b, 0x31, 0xf1, 0xa2, 0x55
+};
+
+/* q's CRT exponent dQ: */
+const uint8_t dq2[] PROGMEM = {
+0x01, 0x2b, 0x15, 0xa8, 0x9f, 0x3d, 0xfb, 0x2b, 0x39, 0x07, 0x3e, 0x73, 0xf0, 0x2b, 0xdd, 0x0c,
+0x1a, 0x7b, 0x37, 0x9d, 0xd4, 0x35, 0xf0, 0x5c, 0xdd, 0xe2, 0xef, 0xf9, 0xe4, 0x62, 0x94, 0x8b,
+0x7c, 0xec, 0x62, 0xee, 0x90, 0x50, 0xd5, 0xe0, 0x81, 0x6e, 0x07, 0x85, 0xa8, 0x56, 0xb4, 0x91,
+0x08, 0xdc, 0xb7, 0x5f, 0x36, 0x83, 0x87, 0x4d, 0x1c, 0xa6, 0x32, 0x9a, 0x19, 0x01, 0x30, 0x66,
+0xff
+};
+
+/* CRT coefficient qInv: */
+const uint8_t qinv2[] PROGMEM = {
+0x02, 0x70, 0xdb, 0x17, 0xd5, 0x91, 0x4b, 0x01, 0x8d, 0x76, 0x11, 0x8b, 0x24, 0x38, 0x9a, 0x73,
+0x50, 0xec, 0x83, 0x6b, 0x00, 0x63, 0xa2, 0x17, 0x21, 0x23, 0x6f, 0xd8, 0xed, 0xb6, 0xd8, 0x9b,
+0x51, 0xe7, 0xee, 0xb8, 0x7b, 0x61, 0x1b, 0x71, 0x32, 0xcb, 0x7e, 0xa7, 0x35, 0x6c, 0x23, 0x15,
+0x1c, 0x1e, 0x77, 0x51, 0x50, 0x7c, 0x78, 0x6d, 0x9e, 0xe1, 0x79, 0x41, 0x70, 0xa8, 0xc8, 0xe8
+};
+
+#endif
+/**********************************************************************************************/
+
+
+uint8_t keys_allocated = 0;
+rsa_publickey_t pub_key;
+rsa_privatekey_t priv_key;
+
+#if 0
+ #define MSG message
+ #define SEED seed
+ #define ENCRYPTED encrypted
+ #define MODULUS modulus
+ #define PUB_EXPONENT public_exponent
+ #define PRIV_EXPONENT private_exponent
+ #define P p
+ #define Q q
+ #define DP dp
+ #define DQ dq
+ #define QINV qinv
+#else
+ #define MSG message4
+ #define SEED seed4
+ #define ENCRYPTED encrypted4
+ #define MODULUS modulus2
+ #define PUB_EXPONENT public_exponent2
+ #define PRIV_EXPONENT private_exponent2
+ #define P p2
+ #define Q q2
+ #define DP dp2
+ #define DQ dq2
+ #define QINV qinv2
+#endif
+
+
+uint8_t convert_nibble(uint8_t c){
+ if(c>='0' && c<='9'){
+ return c - '0';
+ }
+ c |= 'A' ^ 'a';
+ if(c>='a' && c<='f'){
+ return c - 'a' + 10;
+ }
+ return 0xff;
+}
+
+const char *block_ignore_string=" \t\r\n,;";
+#define BUFFER_LIMIT 120
+uint16_t read_os(void* dst, uint16_t length, const char* ignore_string){
+ uint16_t counter = 0;
+ uint16_t c;
+ uint8_t v, tmp = 0, idx = 0;
+ if(!ignore_string){
+ ignore_string = block_ignore_string;
+ }
+ while(counter < length){
+ c = cli_getc();
+ if(c > 0xff){
+ return counter;
+ }
+ if(strchr(ignore_string, c)){
+ continue;
+ }
+ v = convert_nibble(c);
+ if(v > 0x0f){
+ return counter;
+ }
+ if(idx){
+ ((uint8_t*)dst)[counter++] = (tmp << 4) | v;
+ idx = 0;
+ if(counter % (BUFFER_LIMIT/2) == 0){
+ cli_putc('.');
+ }
+ }else{
+ tmp = v;
+ idx = 1;
+ }
+ }
+ return counter;
+}
+
+uint16_t own_atou(const char* str){
+ uint16_t r=0;
+ while(*str && *str >= '0' && *str <= '9'){
+ r *= 10;
+ r += *str++ - '0';
+ }
+ return r;
+}
+
+uint8_t read_bigint(bigint_t* a, char* prompt){
+ uint16_t read_length, actual_length;
+ uint8_t off;
+ uint8_t *buffer;
+ char read_int_str[18];
+ cli_putstr(prompt);
+ cli_putstr_P(PSTR("\r\n length: "));
+ cli_getsn(read_int_str, 16);
+ read_length = own_atou(read_int_str);
+ off = (sizeof(bigint_word_t) - (read_length % sizeof(bigint_word_t))) % sizeof(bigint_word_t);
+ buffer = malloc(((read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t));
+ if(!buffer){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ cli_putstr_P(PSTR("\r\n data: "));
+ memset(buffer, 0, sizeof(bigint_word_t));
+ actual_length = read_os(buffer + off, read_length, NULL);
+ if(actual_length != read_length){
+ cli_putstr_P(PSTR("\r\nERROR: unexpected end of data!"));
+ free(buffer);
+ return 1;
+ }
+ a->wordv = (bigint_word_t*)buffer;
+ a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+uint8_t pre_alloc_key_crt(void){
+ uint8_t c;
+ pub_key.modulus = malloc(sizeof(bigint_t));
+ if(!pub_key.modulus){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.modulus = pub_key.modulus;
+ priv_key.n = 5;
+ priv_key.components = malloc(5 * sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ pub_key.exponent = malloc(sizeof(bigint_t));
+ if(!pub_key.exponent){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ for(c=0; c<5; ++c){
+ priv_key.components[c] = malloc(sizeof(bigint_t));
+ if(!priv_key.components[c]){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ }
+ return 0;
+}
+
+void free_key(void){
+ uint8_t c;
+ free(pub_key.modulus->wordv);
+ free(pub_key.exponent->wordv);
+ free(pub_key.modulus);
+ pub_key.modulus = priv_key.modulus = NULL;
+ free(pub_key.exponent);
+ pub_key.exponent = NULL;
+ for(c = 0; c < priv_key.n; ++c){
+ free(priv_key.components[c]->wordv);
+ free(priv_key.components[c]);
+ }
+ free(priv_key.components);
+ priv_key.components = NULL;
+}
+
+uint8_t read_key_crt(void){
+ uint8_t r;
+ cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
+ r = pre_alloc_key_crt();
+ if(r) return r;
+ r = read_bigint(pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[0],"\r\n = p (first prime) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[1],"\r\n = q (second prime) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[2],"\r\n = dp (p's exponent) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[3],"\r\n = dq (q's exponent) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[4],"\r\n = qInv (q' coefficient) =");
+ return r;
+}
+
+uint8_t read_key_conv(void){
+ uint8_t r;
+ cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
+ pub_key.modulus = malloc(sizeof(bigint_t));
+ if(!pub_key.modulus){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ r = read_bigint(pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ priv_key.modulus = pub_key.modulus;
+ priv_key.n = 1;
+ pub_key.exponent = malloc(sizeof(bigint_t));
+ if(!pub_key.exponent){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.components = malloc(sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.components[0] = malloc(sizeof(bigint_t));
+ if(!priv_key.components[0]){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[0],"\r\n = private exponent =");
+ return r;
+}
+
+void load_priv_conventional(void){
+ bigint_t *epriv;
+ epriv = malloc(sizeof(bigint_t));
+ if(!epriv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ epriv->length_B = (sizeof(PRIV_EXPONENT) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ epriv->wordv = malloc(epriv->length_B * sizeof(bigint_word_t));
+ if(!epriv->wordv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ memcpy(epriv->wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT));
+ priv_key.components = malloc(sizeof(bigint_t*));
+ priv_key.components[0] = epriv;
+ priv_key.n = 1;
+ bigint_changeendianess(epriv);
+ bigint_adjust(epriv);
+}
+
+
+void load_priv_crt_mono(void){
+ bigint_t **v;
+ const uint8_t *bv[5] = {P,Q,DP,DQ,QINV};
+ uint16_t sv[5] = {sizeof(P), sizeof(Q), sizeof(DP), sizeof(DQ), sizeof(QINV)};
+ uint8_t i;
+ v = malloc(5 * sizeof(bigint_t));
+ if(!v){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ priv_key.components = malloc(5*sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ priv_key.n = 5;
+ for(i=0; i<5; ++i){
+ v[i] = malloc(sizeof(bigint_t));
+ v[i]->info = 0;
+ v[i]->length_B = (sv[i] + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ v[i]->wordv = calloc(v[i]->length_B , sizeof(bigint_word_t));
+ if(!v[i]->wordv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ memcpy(v[i]->wordv, bv[i], sv[i]);
+ bigint_changeendianess(v[i]);
+ bigint_adjust(v[i]);
+ priv_key.components[i] = v[i];
+ }
+}
+
+uint8_t load_bigint_from_os(bigint_t* a, PGM_VOID_P os, uint16_t length_B){
+ a->length_B = BIGINT_CEIL(length_B) / sizeof(bigint_word_t);
+ a->wordv = malloc(BIGINT_CEIL(length_B));
+ if(!a->wordv){
+ cli_putstr_P(PSTR("\r\nOOM!\r\n"));
+ return 1;
+ }
+ memset(a->wordv, 0, sizeof(bigint_word_t));
+ memcpy_P((uint8_t*)a->wordv + BIGINT_OFF(length_B), os, length_B);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+void load_fix_rsa(void){
+ if(keys_allocated){
+ free_key();
+ }
+ keys_allocated = 1;
+
+ if(pre_alloc_key_crt()){
+ cli_putstr_P(PSTR("\r\nOOM!\r\n"));
+ return;
+ }
+
+ load_bigint_from_os(pub_key.modulus, MODULUS, sizeof(MODULUS));
+ load_bigint_from_os(pub_key.exponent, PUB_EXPONENT, sizeof(PUB_EXPONENT));
+ priv_key.n = 5;
+ load_bigint_from_os(priv_key.components[0], P, sizeof(P));
+ load_bigint_from_os(priv_key.components[1], Q, sizeof(Q));
+ load_bigint_from_os(priv_key.components[2], DP, sizeof(DP));
+ load_bigint_from_os(priv_key.components[3], DQ, sizeof(DQ));
+ load_bigint_from_os(priv_key.components[4], QINV, sizeof(QINV));
+
+// load_priv_conventional();
+// load_priv_crt_mono();
+}
+
+void quick_test(void){
+ uint8_t *ciphertext, *plaintext, rc;
+ uint8_t seed[sizeof(SEED)];
+ uint16_t clen, plen;
+ ciphertext = malloc(clen = pub_key.modulus->length_B * sizeof(bigint_word_t));
+ plaintext = malloc(pub_key.modulus->length_B * sizeof(bigint_word_t));
+ memcpy_P(plaintext, MSG, sizeof(MSG));
+ memcpy_P(seed, SEED, sizeof(SEED));
+ cli_putstr_P(PSTR("\r\nplaintext:"));
+ cli_hexdump_block(plaintext, sizeof(MSG), 4, 8);
+ cli_putstr_P(PSTR("\r\nencrypting: ..."));
+ rc = rsa_encrypt_oaep(ciphertext, &clen, plaintext, sizeof(MSG), &pub_key, NULL, NULL, seed);
+ if(rc){
+ cli_putstr_P(PSTR("\r\nERROR: rsa_encrypt_oaep returned: "));
+ cli_hexdump_byte(rc);
+ return;
+
+ }
+
+ cli_putstr_P(PSTR("\r\n\r\nciphertext:"));
+ cli_hexdump_block(ciphertext, clen, 4, 8);
+ if(clen!=sizeof(ENCRYPTED)){
+ cli_putstr_P(PSTR("\r\n>>FAIL (no size match)<<"));
+ }else{
+ if(memcmp_P(ciphertext, ENCRYPTED, clen)){
+ cli_putstr_P(PSTR("\r\n>>FAIL (no content match)<<"));
+ }else{
+ cli_putstr_P(PSTR("\r\n>>OK<<"));
+ }
+ }
+
+ cli_putstr_P(PSTR("\r\ndecrypting: ..."));
+ rc = rsa_decrypt_oaep(plaintext, &plen, ciphertext, clen, &priv_key, NULL, NULL, NULL);
+ if(rc){
+ cli_putstr_P(PSTR("\r\nERROR: rsa_decrypt_oaep returned: "));
+ cli_hexdump_byte(rc);
+ return;
+ }
+ cli_putstr_P(PSTR("\r\n\r\nplaintext:"));
+ cli_hexdump_block(plaintext, plen, 4, 8);
+
+ free(ciphertext);
+ free(plaintext);
+}
+
+void run_seed_test(void){
+ uint8_t *msg, *ciph, *msg_;
+ uint16_t msg_len, ciph_len, msg_len_;
+ uint8_t seed[20], seed_out[20];
+ char read_int_str[18];
+ cli_putstr_P(PSTR("\r\n== test with given seed =="));
+ cli_putstr_P(PSTR("\r\n = message ="));
+ cli_putstr_P(PSTR("\r\n length: "));
+ cli_getsn(read_int_str, 16);
+ msg_len = own_atou(read_int_str);
+ msg = malloc(msg_len);
+ if(!msg){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ ciph = malloc(bigint_length_B(pub_key.modulus));
+ if(!ciph){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ msg_ = malloc(bigint_length_B(pub_key.modulus) + sizeof(bigint_word_t));
+ if(!msg_){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ cli_putstr_P(PSTR("\r\n data: "));
+ read_os(msg, msg_len, NULL);
+ cli_putstr_P(PSTR("\r\n seed (20 bytes): "));
+ read_os(seed, 20, NULL);
+
+ cli_putstr_P(PSTR("\r\n encrypting ..."));
+ rsa_encrypt_oaep(ciph, &ciph_len, msg, msg_len, &pub_key, NULL, NULL, seed);
+ cli_putstr_P(PSTR("\r\n ciphertext:"));
+ cli_hexdump_block(ciph, ciph_len, 4, 16);
+ cli_putstr_P(PSTR("\r\n decrypting ... "));
+ rsa_decrypt_oaep(msg_, &msg_len_, ciph, ciph_len, &priv_key, NULL, NULL, seed_out);
+ cli_putstr_P(PSTR("[done]"));
+ if(msg_len != msg_len_){
+ char tstr[16];
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message length ("));
+ itoa(msg_len_, tstr, 10);
+ cli_putstr(tstr);
+ cli_putstr_P(PSTR(" instead of "));
+ itoa(msg_len, tstr, 10);
+ cli_putstr(tstr);
+ cli_putc(')');
+ goto end;
+ }
+ if(memcmp(msg, msg_, msg_len)){
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message:"));
+ cli_hexdump_block(msg_, msg_len_, 4, 16);
+ cli_putstr_P(PSTR("\r\nreference:"));
+ cli_hexdump_block(msg, msg_len, 4, 16);
+ goto end;
+ }
+
+ if(memcmp(seed, seed_out, 20)){
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted seed:"));
+ cli_hexdump_block(seed_out, 20, 4, 16);
+ cli_putstr_P(PSTR("\r\nreference:"));
+ cli_hexdump_block(seed, 20, 4, 16);
+ goto end;
+ }
+ cli_putstr_P(PSTR("\r\n >>OK<<"));
+end:
+ free(msg);
+ free(msg_);
+ free(ciph);
+}
+
+void reset_prng(void){
+ uint8_t buf[16];
+ memset(buf, 0, 16);
+ random_seed(buf);
+ cli_putstr_P(PSTR("\r\nPRNG reset"));
+}
+
+void rsa_init(void){
+ prng_get_byte = random8;
+}
+
+void load_key(void){
+ if(keys_allocated){
+ free_key();
+ }
+ keys_allocated = 1;
+ read_key_crt();
+}
+
+void test_dump(void){
+ char lstr[16];
+ int len;
+ cli_putstr_P(PSTR("\r\nenter dump length: "));
+ cli_getsn_cecho(lstr, 15);
+ len = own_atou(lstr);
+ cli_putstr_P(PSTR("\r\ndumping 0x"));
+ cli_hexdump_rev(&len, 2);
+ cli_putstr_P(PSTR(" byte:"));
+ cli_hexdump_block(pub_key.modulus->wordv, len, 4, 8);
+}
+
+/*****************************************************************************
+ * main *
+ *****************************************************************************/
+
+const char echo_test_str[] PROGMEM = "echo-test";
+const char reset_prng_str[] PROGMEM = "reset-prng";
+const char load_key_str[] PROGMEM = "load-key";
+const char load_fix_key_str[] PROGMEM = "load-fix-key";
+const char quick_test_str[] PROGMEM = "quick-test";
+const char seed_test_str[] PROGMEM = "seed-test";
+const char dump_test_str[] PROGMEM = "dump-test";
+const char performance_str[] PROGMEM = "performance";
+const char echo_str[] PROGMEM = "echo";
+
+const cmdlist_entry_t cmdlist[] PROGMEM = {
+ { reset_prng_str, NULL, reset_prng },
+ { load_key_str, NULL, load_key },
+ { load_fix_key_str, NULL, load_fix_rsa },
+ { quick_test_str, NULL, quick_test },
+ { seed_test_str, NULL, run_seed_test },
+ { dump_test_str, NULL, test_dump },
+// { performance_str, NULL, testrun_performance_bigint },
+ { echo_str, (void*)1, (void_fpt)echo_ctrl },
+ { NULL, NULL, NULL }
+};
+
+void dump_sp(void){
+ uint8_t x;
+ uint8_t *xa = &x;
+ cli_putstr_P(PSTR("\r\nstack pointer: ~"));
+ cli_hexdump_rev(&xa, 4);
+}
+
+int main (void){
+ main_setup();
+
+ for(;;){
+ welcome_msg(algo_name);
+ rsa_init();
+ cmd_interface(cmdlist);
+ }
+}
--- /dev/null
+/* main-dsa-test.c */
+/*
+ This file is part of the ARM-Crypto-Lib.
+ Copyright (C) 2010 Daniel Otte (daniel.otte@rub.de)
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+/*
+ * RSA test-suit
+ *
+*/
+#include "main-test-common.h"
+
+#include "noekeon.h"
+#include "noekeon_prng.h"
+#include "bigint.h"
+#include "bigint_io.h"
+#include "random_dummy.h"
+#include "rsa_basic.h"
+#include "rsaes_pkcs1v15.h"
+
+#include "performance_test.h"
+
+#define DEBUG 0
+
+const char* algo_name = "RSAES-PKCS1V15";
+
+#define BIGINT_CEIL(x) ((((x) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t))
+#define BIGINT_OFF(x) ((sizeof(bigint_word_t) - (x) % sizeof(bigint_word_t)) % sizeof(bigint_word_t))
+
+/*****************************************************************************
+ * additional validation-functions *
+ *****************************************************************************/
+
+/* Modulus: */
+const uint8_t modulus[] PROGMEM = {
+0xa8, 0xb3, 0xb2, 0x84, 0xaf, 0x8e, 0xb5, 0x0b, 0x38, 0x70, 0x34, 0xa8, 0x60, 0xf1, 0x46, 0xc4,
+0x91, 0x9f, 0x31, 0x87, 0x63, 0xcd, 0x6c, 0x55, 0x98, 0xc8, 0xae, 0x48, 0x11, 0xa1, 0xe0, 0xab,
+0xc4, 0xc7, 0xe0, 0xb0, 0x82, 0xd6, 0x93, 0xa5, 0xe7, 0xfc, 0xed, 0x67, 0x5c, 0xf4, 0x66, 0x85,
+0x12, 0x77, 0x2c, 0x0c, 0xbc, 0x64, 0xa7, 0x42, 0xc6, 0xc6, 0x30, 0xf5, 0x33, 0xc8, 0xcc, 0x72,
+0xf6, 0x2a, 0xe8, 0x33, 0xc4, 0x0b, 0xf2, 0x58, 0x42, 0xe9, 0x84, 0xbb, 0x78, 0xbd, 0xbf, 0x97,
+0xc0, 0x10, 0x7d, 0x55, 0xbd, 0xb6, 0x62, 0xf5, 0xc4, 0xe0, 0xfa, 0xb9, 0x84, 0x5c, 0xb5, 0x14,
+0x8e, 0xf7, 0x39, 0x2d, 0xd3, 0xaa, 0xff, 0x93, 0xae, 0x1e, 0x6b, 0x66, 0x7b, 0xb3, 0xd4, 0x24,
+0x76, 0x16, 0xd4, 0xf5, 0xba, 0x10, 0xd4, 0xcf, 0xd2, 0x26, 0xde, 0x88, 0xd3, 0x9f, 0x16, 0xfb
+};
+
+/* Public exponent: */
+const uint8_t pub_exponent[] PROGMEM = { 0x01, 0x00, 0x01 };
+
+/* Exponent: */
+const uint8_t priv_exponent[] PROGMEM = {
+0x53, 0x33, 0x9c, 0xfd, 0xb7, 0x9f, 0xc8, 0x46, 0x6a, 0x65, 0x5c, 0x73, 0x16, 0xac, 0xa8, 0x5c,
+0x55, 0xfd, 0x8f, 0x6d, 0xd8, 0x98, 0xfd, 0xaf, 0x11, 0x95, 0x17, 0xef, 0x4f, 0x52, 0xe8, 0xfd,
+0x8e, 0x25, 0x8d, 0xf9, 0x3f, 0xee, 0x18, 0x0f, 0xa0, 0xe4, 0xab, 0x29, 0x69, 0x3c, 0xd8, 0x3b,
+0x15, 0x2a, 0x55, 0x3d, 0x4a, 0xc4, 0xd1, 0x81, 0x2b, 0x8b, 0x9f, 0xa5, 0xaf, 0x0e, 0x7f, 0x55,
+0xfe, 0x73, 0x04, 0xdf, 0x41, 0x57, 0x09, 0x26, 0xf3, 0x31, 0x1f, 0x15, 0xc4, 0xd6, 0x5a, 0x73,
+0x2c, 0x48, 0x31, 0x16, 0xee, 0x3d, 0x3d, 0x2d, 0x0a, 0xf3, 0x54, 0x9a, 0xd9, 0xbf, 0x7c, 0xbf,
+0xb7, 0x8a, 0xd8, 0x84, 0xf8, 0x4d, 0x5b, 0xeb, 0x04, 0x72, 0x4d, 0xc7, 0x36, 0x9b, 0x31, 0xde,
+0xf3, 0x7d, 0x0c, 0xf5, 0x39, 0xe9, 0xcf, 0xcd, 0xd3, 0xde, 0x65, 0x37, 0x29, 0xea, 0xd5, 0xd1
+};
+
+/* Prime 1: */
+const uint8_t p[] PROGMEM = {
+0xd3, 0x27, 0x37, 0xe7, 0x26, 0x7f, 0xfe, 0x13, 0x41, 0xb2, 0xd5, 0xc0, 0xd1, 0x50, 0xa8, 0x1b,
+0x58, 0x6f, 0xb3, 0x13, 0x2b, 0xed, 0x2f, 0x8d, 0x52, 0x62, 0x86, 0x4a, 0x9c, 0xb9, 0xf3, 0x0a,
+0xf3, 0x8b, 0xe4, 0x48, 0x59, 0x8d, 0x41, 0x3a, 0x17, 0x2e, 0xfb, 0x80, 0x2c, 0x21, 0xac, 0xf1,
+0xc1, 0x1c, 0x52, 0x0c, 0x2f, 0x26, 0xa4, 0x71, 0xdc, 0xad, 0x21, 0x2e, 0xac, 0x7c, 0xa3, 0x9d
+};
+
+/* Prime 2: */
+const uint8_t q[] PROGMEM = {
+0xcc, 0x88, 0x53, 0xd1, 0xd5, 0x4d, 0xa6, 0x30, 0xfa, 0xc0, 0x04, 0xf4, 0x71, 0xf2, 0x81, 0xc7,
+0xb8, 0x98, 0x2d, 0x82, 0x24, 0xa4, 0x90, 0xed, 0xbe, 0xb3, 0x3d, 0x3e, 0x3d, 0x5c, 0xc9, 0x3c,
+0x47, 0x65, 0x70, 0x3d, 0x1d, 0xd7, 0x91, 0x64, 0x2f, 0x1f, 0x11, 0x6a, 0x0d, 0xd8, 0x52, 0xbe,
+0x24, 0x19, 0xb2, 0xaf, 0x72, 0xbf, 0xe9, 0xa0, 0x30, 0xe8, 0x60, 0xb0, 0x28, 0x8b, 0x5d, 0x77
+};
+
+/* Prime exponent 1: */
+const uint8_t dp[] PROGMEM = {
+0x0e, 0x12, 0xbf, 0x17, 0x18, 0xe9, 0xce, 0xf5, 0x59, 0x9b, 0xa1, 0xc3, 0x88, 0x2f, 0xe8, 0x04,
+0x6a, 0x90, 0x87, 0x4e, 0xef, 0xce, 0x8f, 0x2c, 0xcc, 0x20, 0xe4, 0xf2, 0x74, 0x1f, 0xb0, 0xa3,
+0x3a, 0x38, 0x48, 0xae, 0xc9, 0xc9, 0x30, 0x5f, 0xbe, 0xcb, 0xd2, 0xd7, 0x68, 0x19, 0x96, 0x7d,
+0x46, 0x71, 0xac, 0xc6, 0x43, 0x1e, 0x40, 0x37, 0x96, 0x8d, 0xb3, 0x78, 0x78, 0xe6, 0x95, 0xc1
+};
+
+/* Prime exponent 2: */
+const uint8_t dq[] PROGMEM = {
+0x95, 0x29, 0x7b, 0x0f, 0x95, 0xa2, 0xfa, 0x67, 0xd0, 0x07, 0x07, 0xd6, 0x09, 0xdf, 0xd4, 0xfc,
+0x05, 0xc8, 0x9d, 0xaf, 0xc2, 0xef, 0x6d, 0x6e, 0xa5, 0x5b, 0xec, 0x77, 0x1e, 0xa3, 0x33, 0x73,
+0x4d, 0x92, 0x51, 0xe7, 0x90, 0x82, 0xec, 0xda, 0x86, 0x6e, 0xfe, 0xf1, 0x3c, 0x45, 0x9e, 0x1a,
+0x63, 0x13, 0x86, 0xb7, 0xe3, 0x54, 0xc8, 0x99, 0xf5, 0xf1, 0x12, 0xca, 0x85, 0xd7, 0x15, 0x83
+};
+
+/* Coefficient: */
+const uint8_t qinv[] PROGMEM = {
+0x4f, 0x45, 0x6c, 0x50, 0x24, 0x93, 0xbd, 0xc0, 0xed, 0x2a, 0xb7, 0x56, 0xa3, 0xa6, 0xed, 0x4d,
+0x67, 0x35, 0x2a, 0x69, 0x7d, 0x42, 0x16, 0xe9, 0x32, 0x12, 0xb1, 0x27, 0xa6, 0x3d, 0x54, 0x11,
+0xce, 0x6f, 0xa9, 0x8d, 0x5d, 0xbe, 0xfd, 0x73, 0x26, 0x3e, 0x37, 0x28, 0x14, 0x27, 0x43, 0x81,
+0x81, 0x66, 0xed, 0x7d, 0xd6, 0x36, 0x87, 0xdd, 0x2a, 0x8c, 0xa1, 0xd2, 0xf4, 0xfb, 0xd8, 0xe1
+};
+
+/* PKCS#1 v1.5 encryption of 0x20, random messages with random s0xee,ds
+ * ---------------------------------------------------------------------------
+ */
+
+/* Message: */
+const uint8_t message_x[] PROGMEM = {
+0x66, 0x28, 0x19, 0x4e, 0x12, 0x07, 0x3d, 0xb0, 0x3b, 0xa9, 0x4c, 0xda, 0x9e, 0xf9, 0x53, 0x23,
+0x97, 0xd5, 0x0d, 0xba, 0x79, 0xb9, 0x87, 0x00, 0x4a, 0xfe, 0xfe, 0x34
+};
+
+/* Seed: */
+const uint8_t seed_x[] PROGMEM = {
+0x01, 0x73, 0x41, 0xae, 0x38, 0x75, 0xd5, 0xf8, 0x71, 0x01, 0xf8, 0xcc, 0x4f, 0xa9, 0xb9, 0xbc,
+0x15, 0x6b, 0xb0, 0x46, 0x28, 0xfc, 0xcd, 0xb2, 0xf4, 0xf1, 0x1e, 0x90, 0x5b, 0xd3, 0xa1, 0x55,
+0xd3, 0x76, 0xf5, 0x93, 0xbd, 0x73, 0x04, 0x21, 0x08, 0x74, 0xeb, 0xa0, 0x8a, 0x5e, 0x22, 0xbc,
+0xcc, 0xb4, 0xc9, 0xd3, 0x88, 0x2a, 0x93, 0xa5, 0x4d, 0xb0, 0x22, 0xf5, 0x03, 0xd1, 0x63, 0x38,
+0xb6, 0xb7, 0xce, 0x16, 0xdc, 0x7f, 0x4b, 0xbf, 0x9a, 0x96, 0xb5, 0x97, 0x72, 0xd6, 0x60, 0x6e,
+0x97, 0x47, 0xc7, 0x64, 0x9b, 0xf9, 0xe0, 0x83, 0xdb, 0x98, 0x18, 0x84, 0xa9, 0x54, 0xab, 0x3c,
+0x6f };
+
+/* Encryption: */
+const uint8_t encrypted_x[] PROGMEM = {
+0x50, 0xb4, 0xc1, 0x41, 0x36, 0xbd, 0x19, 0x8c, 0x2f, 0x3c, 0x3e, 0xd2, 0x43, 0xfc, 0xe0, 0x36,
+0xe1, 0x68, 0xd5, 0x65, 0x17, 0x98, 0x4a, 0x26, 0x3c, 0xd6, 0x64, 0x92, 0xb8, 0x08, 0x04, 0xf1,
+0x69, 0xd2, 0x10, 0xf2, 0xb9, 0xbd, 0xfb, 0x48, 0xb1, 0x2f, 0x9e, 0xa0, 0x50, 0x09, 0xc7, 0x7d,
+0xa2, 0x57, 0xcc, 0x60, 0x0c, 0xce, 0xfe, 0x3a, 0x62, 0x83, 0x78, 0x9d, 0x8e, 0xa0, 0xe6, 0x07,
+0xac, 0x58, 0xe2, 0x69, 0x0e, 0xc4, 0xeb, 0xc1, 0x01, 0x46, 0xe8, 0xcb, 0xaa, 0x5e, 0xd4, 0xd5,
+0xcc, 0xe6, 0xfe, 0x7b, 0x0f, 0xf9, 0xef, 0xc1, 0xea, 0xbb, 0x56, 0x4d, 0xbf, 0x49, 0x82, 0x85,
+0xf4, 0x49, 0xee, 0x61, 0xdd, 0x7b, 0x42, 0xee, 0x5b, 0x58, 0x92, 0xcb, 0x90, 0x60, 0x1f, 0x30,
+0xcd, 0xa0, 0x7b, 0xf2, 0x64, 0x89, 0x31, 0x0b, 0xcd, 0x23, 0xb5, 0x28, 0xce, 0xab, 0x3c, 0x31
+};
+
+uint8_t keys_allocated = 0;
+rsa_publickey_t pub_key;
+rsa_privatekey_t priv_key;
+
+#if 1
+ #define MSG message_x
+ #define SEED seed_x
+ #define ENCRYPTED encrypted_x
+ #define MODULUS modulus
+ #define PUB_EXPONENT pub_exponent
+ #define PRIV_EXPONENT priv_exponent
+ #define P p
+ #define Q q
+ #define DP dp
+ #define DQ dq
+ #define QINV qinv
+#endif
+
+
+uint8_t convert_nibble(uint8_t c){
+ if(c>='0' && c<='9'){
+ return c - '0';
+ }
+ c |= 'A' ^ 'a';
+ if(c>='a' && c<='f'){
+ return c - 'a' + 10;
+ }
+ return 0xff;
+}
+
+const char *block_ignore_string=" \t\r\n,;";
+#define BUFFER_LIMIT 120
+uint16_t read_os(void* dst, uint16_t length, const char* ignore_string){
+ uint16_t counter = 0;
+ uint16_t c;
+ uint8_t v, tmp = 0, idx = 0;
+ if(!ignore_string){
+ ignore_string = block_ignore_string;
+ }
+ while(counter < length){
+ c = cli_getc();
+ if(c > 0xff){
+ return counter;
+ }
+ if(strchr(ignore_string, c)){
+ continue;
+ }
+ v = convert_nibble(c);
+ if(v > 0x0f){
+ return counter;
+ }
+ if(idx){
+ ((uint8_t*)dst)[counter++] = (tmp << 4) | v;
+ idx = 0;
+ if(counter % (BUFFER_LIMIT/2) == 0){
+ cli_putc('.');
+ }
+ }else{
+ tmp = v;
+ idx = 1;
+ }
+ }
+ return counter;
+}
+
+uint16_t own_atou(const char* str){
+ uint16_t r=0;
+ while(*str && *str >= '0' && *str <= '9'){
+ r *= 10;
+ r += *str++ - '0';
+ }
+ return r;
+}
+
+uint8_t read_bigint(bigint_t* a, char* prompt){
+ uint16_t read_length, actual_length;
+ uint8_t off;
+ uint8_t *buffer;
+ char read_int_str[18];
+ cli_putstr(prompt);
+ cli_putstr_P(PSTR("\r\n length: "));
+ cli_getsn(read_int_str, 16);
+ read_length = own_atou(read_int_str);
+ off = (sizeof(bigint_word_t) - (read_length % sizeof(bigint_word_t))) % sizeof(bigint_word_t);
+ buffer = malloc(((read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t)) * sizeof(bigint_word_t));
+ if(!buffer){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ cli_putstr_P(PSTR("\r\n data: "));
+ memset(buffer, 0, sizeof(bigint_word_t));
+ actual_length = read_os(buffer + off, read_length, NULL);
+ if(actual_length != read_length){
+ cli_putstr_P(PSTR("\r\nERROR: unexpected end of data!"));
+ free(buffer);
+ return 1;
+ }
+ a->wordv = (bigint_word_t*)buffer;
+ a->length_B = (read_length + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+uint8_t pre_alloc_key_crt(void){
+ uint8_t c;
+ pub_key.modulus = malloc(sizeof(bigint_t));
+ if(!pub_key.modulus){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 6;
+ }
+ priv_key.modulus = pub_key.modulus;
+ priv_key.n = 5;
+ priv_key.components = malloc(5 * sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 3;
+ }
+ pub_key.exponent = malloc(sizeof(bigint_t));
+ if(!pub_key.exponent){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 4;
+ }
+ for(c=0; c<5; ++c){
+ priv_key.components[c] = malloc(sizeof(bigint_t));
+ if(!priv_key.components[c]){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 7+c;
+ }
+ }
+ return 0;
+}
+
+void free_key(void){
+ uint8_t c;
+ for(c = priv_key.n; c > 0 ; --c){
+ free(priv_key.components[c - 1]->wordv);
+ }
+ free(pub_key.exponent->wordv);
+ free(pub_key.modulus->wordv);
+
+ for(c = priv_key.n; c > 0 ; --c){
+ free(priv_key.components[c - 1]);
+ }
+ free(pub_key.exponent);
+ pub_key.exponent = NULL;
+ free(priv_key.components);
+ priv_key.components = NULL;
+ free(pub_key.modulus);
+ pub_key.modulus = priv_key.modulus = NULL;
+ keys_allocated = 0;
+}
+
+uint8_t read_key_crt(void){
+ uint8_t r;
+ cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
+ r = pre_alloc_key_crt();
+ if(r) return r;
+ r = read_bigint(pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[0],"\r\n = p (first prime) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[1],"\r\n = q (second prime) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[2],"\r\n = dp (p's exponent) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[3],"\r\n = dq (q's exponent) =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[4],"\r\n = qInv (q' coefficient) =");
+
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nmodulus:"));
+ bigint_print_hex(pub_key.modulus);
+ cli_putstr_P(PSTR("\r\npublic exponent:"));
+ bigint_print_hex(pub_key.exponent);
+ cli_putstr_P(PSTR("\r\np:"));
+ bigint_print_hex(priv_key.components[0]);
+ cli_putstr_P(PSTR("\r\nq:"));
+ bigint_print_hex(priv_key.components[1]);
+ cli_putstr_P(PSTR("\r\ndP:"));
+ bigint_print_hex(priv_key.components[2]);
+ cli_putstr_P(PSTR("\r\ndQ:"));
+ bigint_print_hex(priv_key.components[3]);
+ cli_putstr_P(PSTR("\r\nqInv:"));
+ bigint_print_hex(priv_key.components[4]);
+#endif
+ return r;
+}
+
+uint8_t read_key_conv(void){
+ uint8_t r;
+ cli_putstr_P(PSTR("\r\n== reading key (crt) =="));
+ pub_key.modulus = malloc(sizeof(bigint_t));
+ if(!pub_key.modulus){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ r = read_bigint(pub_key.modulus,"\r\n = module =");
+ if(r) return r;
+ priv_key.modulus = pub_key.modulus;
+ priv_key.n = 1;
+ pub_key.exponent = malloc(sizeof(bigint_t));
+ if(!pub_key.exponent){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.components = malloc(sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ priv_key.components[0] = malloc(sizeof(bigint_t));
+ if(!priv_key.components[0]){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return 2;
+ }
+ r = read_bigint(pub_key.exponent,"\r\n = public exponent =");
+ if(r) return r;
+ r = read_bigint(priv_key.components[0],"\r\n = private exponent =");
+ return r;
+}
+
+void load_priv_conventional(void){
+ bigint_t *epriv;
+ epriv = malloc(sizeof(bigint_t));
+ if(!epriv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ epriv->length_B = (sizeof(PRIV_EXPONENT) + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ epriv->wordv = malloc(epriv->length_B * sizeof(bigint_word_t));
+ if(!epriv->wordv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ memcpy(epriv->wordv, PRIV_EXPONENT, sizeof(PRIV_EXPONENT));
+ priv_key.components = malloc(sizeof(bigint_t*));
+ priv_key.components[0] = epriv;
+ priv_key.n = 1;
+ bigint_changeendianess(epriv);
+ bigint_adjust(epriv);
+}
+
+
+void load_priv_crt_mono(void){
+ bigint_t **v;
+ const uint8_t *bv[5] = {P,Q,DP,DQ,QINV};
+ uint16_t sv[5] = {sizeof(P), sizeof(Q), sizeof(DP), sizeof(DQ), sizeof(QINV)};
+ uint8_t i;
+ v = malloc(5 * sizeof(bigint_t));
+ if(!v){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ priv_key.components = malloc(5*sizeof(bigint_t*));
+ if(!priv_key.components){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ priv_key.n = 5;
+ for(i=0; i<5; ++i){
+ v[i] = malloc(sizeof(bigint_t));
+ v[i]->info = 0;
+ v[i]->length_B = (sv[i] + sizeof(bigint_word_t) - 1) / sizeof(bigint_word_t);
+ v[i]->wordv = calloc(v[i]->length_B , sizeof(bigint_word_t));
+ if(!v[i]->wordv){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ memcpy(v[i]->wordv, bv[i], sv[i]);
+ bigint_changeendianess(v[i]);
+ bigint_adjust(v[i]);
+ priv_key.components[i] = v[i];
+ }
+}
+
+uint8_t load_bigint_from_os(bigint_t* a, PGM_VOID_P os, uint16_t length_B){
+ a->length_B = BIGINT_CEIL(length_B) / sizeof(bigint_word_t);
+ a->wordv = malloc(BIGINT_CEIL(length_B));
+ if(!a->wordv){
+ cli_putstr_P(PSTR("\r\nOOM!\r\n"));
+ return 1;
+ }
+ memset(a->wordv, 0, sizeof(bigint_word_t));
+ memcpy_P((uint8_t*)a->wordv + BIGINT_OFF(length_B), os, length_B);
+ a->info = 0;
+ bigint_changeendianess(a);
+ bigint_adjust(a);
+ return 0;
+}
+
+void load_fix_rsa(void){
+ if(keys_allocated){
+ free_key();
+ }
+ keys_allocated = 1;
+
+ if(pre_alloc_key_crt()){
+ cli_putstr_P(PSTR("\r\nOOM!\r\n"));
+ return;
+ }
+
+ load_bigint_from_os(pub_key.modulus, MODULUS, sizeof(MODULUS));
+ load_bigint_from_os(pub_key.exponent, PUB_EXPONENT, sizeof(PUB_EXPONENT));
+ priv_key.n = 5;
+ load_bigint_from_os(priv_key.components[0], P, sizeof(P));
+ load_bigint_from_os(priv_key.components[1], Q, sizeof(Q));
+ load_bigint_from_os(priv_key.components[2], DP, sizeof(DP));
+ load_bigint_from_os(priv_key.components[3], DQ, sizeof(DQ));
+ load_bigint_from_os(priv_key.components[4], QINV, sizeof(QINV));
+
+// load_priv_conventional();
+// load_priv_crt_mono();
+}
+
+void quick_test(void){
+ uint8_t *ciphertext, *plaintext, rc;
+ uint8_t seed[sizeof(SEED)], seed_out[sizeof(SEED)];
+ uint16_t clen, plen;
+ if(!keys_allocated){
+ load_fix_rsa();
+ }
+ ciphertext = malloc(clen = pub_key.modulus->length_B * sizeof(bigint_word_t));
+ plaintext = malloc(pub_key.modulus->length_B * sizeof(bigint_word_t));
+ memcpy_P(plaintext, MSG, sizeof(MSG));
+ memcpy_P(seed, SEED, sizeof(SEED));
+ cli_putstr_P(PSTR("\r\nplaintext:"));
+ cli_hexdump_block(plaintext, sizeof(MSG), 4, 16);
+ cli_putstr_P(PSTR("\r\nseed:"));
+ cli_hexdump_block(seed, sizeof(SEED), 4, 16);
+ cli_putstr_P(PSTR("\r\nencrypting: ..."));
+
+ rc = rsa_encrypt_pkcs1v15(ciphertext, &clen, plaintext, sizeof(MSG), &pub_key, seed);
+ if(rc){
+ cli_putstr_P(PSTR("\r\nERROR: rsa_encrypt_pkcs1v15 returned: "));
+ cli_hexdump_byte(rc);
+ return;
+
+ }
+
+ cli_putstr_P(PSTR("\r\n\r\nciphertext:"));
+ cli_hexdump_block(ciphertext, clen, 4, 16);
+ if(clen!=sizeof(ENCRYPTED)){
+ cli_putstr_P(PSTR("\r\n>>FAIL (no size match)<<"));
+ }else{
+ if(memcmp_P(ciphertext, ENCRYPTED, clen)){
+ cli_putstr_P(PSTR("\r\n>>FAIL (no content match)<<"));
+ }else{
+ cli_putstr_P(PSTR("\r\n>>OK<<"));
+ }
+ }
+
+ cli_putstr_P(PSTR("\r\ndecrypting: ..."));
+ rc = rsa_decrypt_pkcs1v15(plaintext, &plen, ciphertext, clen, &priv_key, seed_out);
+ if(rc){
+ cli_putstr_P(PSTR("\r\nERROR: rsa_decrypt_pkcs1v15 returned: "));
+ cli_hexdump_byte(rc);
+ return;
+ }
+ cli_putstr_P(PSTR("\r\n\r\nplaintext:"));
+ cli_hexdump_block(plaintext, plen, 4, 16);
+ cli_putstr_P(PSTR("\r\n\r\nseed (out):"));
+ cli_hexdump_block(seed_out, sizeof(SEED), 4, 16);
+
+ free(ciphertext);
+ free(plaintext);
+}
+
+void run_seed_test(void){
+ uint8_t *msg, *ciph, *msg_;
+ uint16_t ciph_len, msg_len;
+ uint16_t msg_len_;
+ uint16_t seed_len;
+ uint8_t *seed, *seed_out;
+ char read_int_str[18];
+ cli_putstr_P(PSTR("\r\n== test with given seed =="));
+ cli_putstr_P(PSTR("\r\n = message ="));
+ cli_putstr_P(PSTR("\r\n length: "));
+ cli_getsn(read_int_str, 16);
+ msg_len = own_atou(read_int_str);
+ seed_len = rsa_pkcs1v15_compute_padlength_B(pub_key.modulus, msg_len);
+ seed = malloc(seed_len);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @seed: 0x"));
+ cli_hexdump_rev(&seed, 2);
+#endif
+ if(!seed){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ seed_out = malloc(seed_len);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @seed_out: 0x"));
+ cli_hexdump_rev(&seed_out, 2);
+#endif
+ if(!seed_out){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ msg = malloc(msg_len);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @msg: 0x"));
+ cli_hexdump_rev(&msg, 2);
+#endif
+ if(!msg){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ ciph = malloc(bigint_length_B(pub_key.modulus));
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @ciph: 0x"));
+ cli_hexdump_rev(&ciph, 2);
+#endif
+ if(!ciph){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ msg_ = malloc(bigint_length_B(pub_key.modulus) + sizeof(bigint_word_t));
+#if DEBUG
+ cli_putstr_P(PSTR("\r\nDBG: @msg_: 0x"));
+ cli_hexdump_rev(&msg_, 2);
+#endif
+ if(!msg_){
+ cli_putstr_P(PSTR("\r\nERROR: OOM!"));
+ return;
+ }
+ cli_putstr_P(PSTR("\r\n data: "));
+ read_os(msg, msg_len, NULL);
+ cli_putstr_P(PSTR("\r\n seed (0x"));
+ cli_hexdump_rev(&seed_len, 2);
+ cli_putstr_P(PSTR(" bytes): "));
+ read_os(seed, seed_len, NULL);
+
+ cli_putstr_P(PSTR("\r\n encrypting ..."));
+/*
+ cli_putstr_P(PSTR("\r\n plaintext:"));
+ cli_hexdump_block(msg, msg_len, 4, 16);
+ cli_putstr_P(PSTR("\r\n seed:"));
+ cli_hexdump_block(seed, seed_len, 4, 16);
+*/
+#if DEBUG
+ cli_putstr_P(PSTR("\r\n first prime:"));
+ bigint_print_hex(priv_key.components[0]);
+#endif
+ rsa_encrypt_pkcs1v15(ciph, &ciph_len, msg, msg_len, &pub_key, seed);
+ cli_putstr_P(PSTR("\r\n ciphertext:"));
+ cli_hexdump_block(ciph, ciph_len, 4, 16);
+#if DEBUG
+ cli_putstr_P(PSTR("\r\n first prime:"));
+ bigint_print_hex(priv_key.components[0]);
+#endif
+ cli_putstr_P(PSTR("\r\n decrypting ... "));
+
+ rsa_decrypt_pkcs1v15(msg_, &msg_len_, ciph, ciph_len, &priv_key, seed_out);
+
+ cli_putstr_P(PSTR("[done]"));
+ if(msg_len != msg_len_){
+ char tstr[16];
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message length ("));
+ itoa(msg_len_, tstr, 10);
+ cli_putstr(tstr);
+ cli_putstr_P(PSTR(" instead of "));
+ itoa(msg_len, tstr, 10);
+ cli_putstr(tstr);
+ cli_putc(')');
+ goto end;
+ }
+ if(memcmp(msg, msg_, msg_len)){
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted message:"));
+ cli_hexdump_block(msg_, msg_len_, 4, 16);
+ cli_putstr_P(PSTR("\r\nreference:"));
+ cli_hexdump_block(msg, msg_len, 4, 16);
+ goto end;
+ }
+
+ if(memcmp(seed, seed_out, seed_len)){
+ cli_putstr_P(PSTR("\r\nERROR: wrong decrypted seed:"));
+ cli_hexdump_block(seed_out, seed_len, 4, 16);
+ cli_putstr_P(PSTR("\r\nreference:"));
+ cli_hexdump_block(seed, seed_len, 4, 16);
+ goto end;
+ }
+
+ cli_putstr_P(PSTR("\r\n >>OK<<"));
+end:
+ free(msg_);
+ free(ciph);
+ free(msg);
+ free(seed_out);
+ free(seed);
+}
+
+void reset_prng(void){
+ uint8_t buf[16];
+ memset(buf, 0, 16);
+ random_seed(buf);
+ cli_putstr_P(PSTR("\r\nPRNG reset"));
+}
+
+void rsa_init(void){
+ prng_get_byte = random8;
+}
+
+void load_key(void){
+ uint8_t r;
+ if(keys_allocated){
+ cli_putstr_P(PSTR("\r\nDBG: freeing old keys"));
+ free_key();
+ }
+ keys_allocated = 1;
+ r = read_key_crt();
+ if(r){
+ cli_putstr_P(PSTR("\r\nERROR: read_key_crt returned 0x"));
+ cli_hexdump_byte(r);
+ }
+}
+
+void test_dump(void){
+ char lstr[16];
+ int len;
+ cli_putstr_P(PSTR("\r\nenter dump length: "));
+ cli_getsn_cecho(lstr, 15);
+ len = own_atou(lstr);
+ cli_putstr_P(PSTR("\r\ndumping 0x"));
+ cli_hexdump_rev(&len, 2);
+ cli_putstr_P(PSTR(" byte:"));
+ cli_hexdump_block(pub_key.modulus->wordv, len, 4, 8);
+}
+
+/*****************************************************************************
+ * main *
+ *****************************************************************************/
+
+const char echo_test_str[] PROGMEM = "echo-test";
+const char reset_prng_str[] PROGMEM = "reset-prng";
+const char load_key_str[] PROGMEM = "load-key";
+const char load_fix_key_str[] PROGMEM = "load-fix-key";
+const char quick_test_str[] PROGMEM = "quick-test";
+const char seed_test_str[] PROGMEM = "seed-test";
+const char dump_test_str[] PROGMEM = "dump-test";
+const char performance_str[] PROGMEM = "performance";
+const char echo_str[] PROGMEM = "echo";
+
+const cmdlist_entry_t cmdlist[] PROGMEM = {
+ { reset_prng_str, NULL, reset_prng },
+ { load_key_str, NULL, load_key },
+ { load_fix_key_str, NULL, load_fix_rsa },
+ { quick_test_str, NULL, quick_test },
+ { seed_test_str, NULL, run_seed_test },
+ { dump_test_str, NULL, test_dump },
+// { performance_str, NULL, testrun_performance_bigint },
+ { echo_str, (void*)1, (void_fpt)echo_ctrl },
+ { NULL, NULL, NULL }
+};
+
+void dump_sp(void){
+ uint8_t x;
+ uint8_t *xa = &x;
+ cli_putstr_P(PSTR("\r\nstack pointer: ~"));
+ cli_hexdump_rev(&xa, 4);
+}
+
+int main (void){
+ main_setup();
+
+ for(;;){
+ welcome_msg(algo_name);
+ rsa_init();
+ cmd_interface(cmdlist);
+ }
+}
cli_hexdump(key, 16);
salsa20_init(key, 128, NULL, &ctx);
cli_putstr_P(PSTR("\r\n internal state: "));
- cli_hexdump_block(ctx.a, 64, 4, 16);
+ cli_hexdump_block(ctx.a.v8, 64, 4, 16);
salsa20_gen(&ctx);
cli_putstr_P(PSTR("\r\n internal state: "));
- cli_hexdump_block(ctx.a, 64, 4, 16);
+ cli_hexdump_block(ctx.a.v8, 64, 4, 16);
cli_putstr_P(PSTR("\r\n data: "));
cli_hexdump_block(ctx.buffer, 64, 4, 16);
key[15] = 0x01;
cli_putstr_P(PSTR("\r\n testing with key: "));
cli_hexdump(key, 16);
- cli_hexdump_block(ctx.a, 64, 4, 16);
+ cli_hexdump_block(ctx.a.v8, 64, 4, 16);
salsa20_init(key, 128, NULL, &ctx);
cli_putstr_P(PSTR("\r\n internal state: "));
- cli_hexdump_block(ctx.a, 64, 4, 16);
+ cli_hexdump_block(ctx.a.v8, 64, 4, 16);
salsa20_gen(&ctx);
cli_putstr_P(PSTR("\r\n internal state: "));
- cli_hexdump_block(ctx.a, 64, 4, 16);
+ cli_hexdump_block(ctx.a.v8, 64, 4, 16);
cli_putstr_P(PSTR("\r\n data: "));
cli_hexdump_block(ctx.buffer, 64, 4, 16);
}
/*********************************************************************/
void twister_inject_chksum(twister_large_ctx_t* ctx, uint8_t col){
- *((uint64_t*)(&ctx->state.s[7][0])) ^= *((uint64_t*)(&ctx->checksum[col][0]));
+ uint8_t i=7;
+ do{
+ ctx->state.s[7][i] ^= ctx->checksum[col][i];
+
+ }while(i--);
twister_blank_round(&ctx->state);
}
#endif
-static void gamma(uint8_t* a){
+static void gamma_1(uint8_t* a){
uint8_t i;
for(i=0; i<64; ++i){
*a = whirlpool_sbox(*a);
}
static void w_round(uint8_t* a, const uint8_t* k){
- gamma(a);
+ gamma_1(a);
#if DEBUG
cli_putstr_P(PSTR("\r\n pre-pi:"));
cli_hexdump_block(a, 64, 4, 8);
projects / avr-crypto-lib.git / commitdiff