--- /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
+/* 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);
+ }
+}
projects / avr-crypto-lib.git / commitdiff