--- /dev/null
+/* bcal-cfb_byte.c */
+/*
+ This file is part of the AVR-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/>.
+*/
+
+
+#include <stdint.h>
+#include <string.h>
+#include "bcal-cfb_byte.h"
+#include "bcal-basic.h"
+#include "memxor.h"
+
+
+uint8_t bcal_cfb_B_init(const bcdesc_t* desc, const void* key, uint16_t keysize, uint16_t size_b, bcal_cfb_B_ctx_t* ctx){
+ ctx->desc = (bcdesc_t*)desc;
+ ctx->blocksize_B = (bcal_cipher_getBlocksize_b(desc)+7)/8;
+ ctx->in_block=malloc(ctx->blocksize_B);
+ if(ctx->in_block==NULL){
+ return 0x11;
+ }
+ if(size_b&7){
+ return 0x12;
+ }
+ ctx->size_B = size_b/8;
+ return bcal_cipher_init(desc, key, keysize, &(ctx->cctx));
+}
+
+void bcal_cfb_B_free(bcal_cfb_B_ctx_t* ctx){
+ free(ctx->in_block);
+ bcal_cipher_free(&(ctx->cctx));
+}
+
+void bcal_cfb_B_loadIV(const void* iv, bcal_cfb_B_ctx_t* ctx){
+ memcpy(ctx->in_block, iv, ctx->blocksize_B);
+}
+
+void bcal_cfb_B_encNext(void* block, bcal_cfb_B_ctx_t* ctx){
+ uint8_t tmp[ctx->blocksize_B];
+ memcpy(tmp, ctx->in_block, ctx->blocksize_B);
+ bcal_cipher_enc(tmp, &(ctx->cctx));
+ memxor(block, tmp, ctx->size_B);
+ memmove(ctx->in_block, ctx->in_block+ctx->size_B, ctx->blocksize_B - ctx->size_B);
+ memcpy(ctx->in_block+ctx->blocksize_B-ctx->size_B, block, ctx->size_B);
+}
+
+void bcal_cfb_B_decNext(void* block, bcal_cfb_B_ctx_t* ctx){
+ uint8_t tmp[ctx->blocksize_B];
+ uint8_t xblock[ctx->size_B];
+ memcpy(xblock, block, ctx->size_B);
+ memcpy(tmp, ctx->in_block, ctx->blocksize_B);
+ bcal_cipher_enc(tmp, &(ctx->cctx));
+ memxor(block, tmp, ctx->size_B);
+ memmove(ctx->in_block, ctx->in_block+ctx->size_B, ctx->blocksize_B - ctx->size_B);
+ memcpy(ctx->in_block+ctx->blocksize_B-ctx->size_B, xblock, ctx->size_B);
+}
+
+void bcal_cfb_B_encMsg(const void* iv, void* msg, uint16_t msg_blocks, bcal_cfb_B_ctx_t* ctx){
+ bcal_cfb_B_loadIV(iv, ctx);
+ while(msg_blocks--){
+ bcal_cfb_B_encNext(msg, ctx);
+ msg = (uint8_t*)msg+ctx->size_B;
+ }
+}
+
+void bcal_cfb_B_decMsg(const void* iv, void* msg, uint16_t msg_blocks, bcal_cfb_B_ctx_t* ctx){
+ bcal_cfb_B_loadIV(iv, ctx);
+ while(msg_blocks--){
+ bcal_cfb_B_decNext(msg, ctx);
+ msg = (uint8_t*)msg+ctx->size_B;
+ }
+}
+
#include "bcal_aes192.h"
#include "bcal_aes256.h"
#include "bcal-cbc.h"
+#include "bcal-cfb_byte.h"
#include <stdint.h>
#include <string.h>
bcal_cipher_dec(data, &bcal_ctx);
cli_putstr_P(PSTR("\r\n plaintext: "));
cli_hexdump(data, 16);
+ bcal_cipher_free(&bcal_ctx);
}
void testrun_testkey_aes128(void){
testrun_testkey_aes256();
}
+uint8_t modes_key[] PROGMEM={ 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
+ 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c
+ };
+uint8_t modes_iv[] PROGMEM={ 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
+ 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
+ };
+uint8_t modes_plain[] PROGMEM={ 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
+ 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
+ /* --- */
+ 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
+ 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
+ /* --- */
+ 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
+ 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
+ /* --- */
+ 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
+ 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10
+ };
void testrun_aes128_cbc(void){
- uint8_t key[] = { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6,
- 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
- uint8_t iv[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
- 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f };
- uint8_t plain[] = { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96,
- 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
- /* --- */
- 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c,
- 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
- /* --- */
- 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11,
- 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
- /* --- */
- 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17,
- 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 };
+ uint8_t key[16];
+ uint8_t iv[16];
+ uint8_t plain[64];
+
bcal_cbc_ctx_t ctx;
uint8_t r;
+
+ memcpy_P(key, modes_key, 16);
+ memcpy_P(iv, modes_iv, 16);
+ memcpy_P(plain, modes_plain, 64);
+
cli_putstr_P(PSTR("\r\n** AES128-CBC-TEST **"));
r = bcal_cbc_init(&aes128_desc, key, 128, &ctx);
cli_putstr_P(PSTR("\r\n init = 0x"));
bcal_cbc_free(&ctx);
}
+void testrun_aes128_cfb8(void){
+ uint8_t key[16];
+ uint8_t iv[16];
+ uint8_t plain[64];
+
+ bcal_cfb_B_ctx_t ctx;
+ uint8_t r;
+
+ memcpy_P(key, modes_key, 16);
+ memcpy_P(iv, modes_iv, 16);
+ memcpy_P(plain, modes_plain, 64);
+
+ cli_putstr_P(PSTR("\r\n** AES128-CFB8-TEST **"));
+ r = bcal_cfb_B_init(&aes128_desc, key, 128, 8, &ctx);
+ cli_putstr_P(PSTR("\r\n init = 0x"));
+ cli_hexdump(&r, 1);
+ cli_putstr_P(PSTR("\r\n key: "));
+ cli_hexdump(key, 128/8);
+ cli_putstr_P(PSTR("\r\n IV: "));
+ cli_hexdump(iv, 128/8);
+ cli_putstr_P(PSTR("\r\n plaintext:"));
+ cli_hexdump_block(plain, 4*128/8, 4, 8);
+ if(r)
+ return;
+ bcal_cfb_B_encMsg(iv, plain, 64, &ctx);
+ cli_putstr_P(PSTR("\r\n ciphertext: "));
+ cli_hexdump_block(plain, 64, 4, 8);
+
+ bcal_cfb_B_decMsg(iv, plain, 64, &ctx);
+ cli_putstr_P(PSTR("\r\n plaintext: "));
+ cli_hexdump_block(plain, 64, 4, 8);
+
+ bcal_cfb_B_free(&ctx);
+
+}
/*****************************************************************************/
const char nessie_str[] PROGMEM = "nessie";
const char test_str[] PROGMEM = "test";
const char testkey_str[] PROGMEM = "testkey";
-const char testcbc128_str[] PROGMEM = "testcbc128";
+const char testcbc_str[] PROGMEM = "testcbc";
+const char testcfb8_str[] PROGMEM = "testcfb8";
const char performance_str[] PROGMEM = "performance";
const char dump_str[] PROGMEM = "dump";
const char echo_str[] PROGMEM = "echo";
{ nessie_str, NULL, testrun_nessie_aes },
{ test_str, NULL, testrun_test_aes},
{ testkey_str, NULL, testrun_testkey_aes},
- { testcbc128_str, NULL, testrun_aes128_cbc},
+ { testcbc_str, NULL, testrun_aes128_cbc},
+ { testcfb8_str, NULL, testrun_aes128_cfb8},
{ performance_str, NULL, testrun_performance_aes},
{ dump_str, (void*)1, (void_fpt)dump},
{ echo_str, (void*)1, (void_fpt)echo_ctrl},
projects / avr-crypto-lib.git / commitdiff