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add aes counter mode

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This commit is contained in:
toddouska
2011-11-22 17:02:36 -08:00
parent c46cbccf4f
commit 3dd338a062
4 changed files with 102 additions and 4 deletions
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ctaocrypt/test/test.c
+68 -2
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@@ -1022,8 +1022,8 @@ int aes_test()
byte key[] = "0123456789abcdef "; /* align */
byte iv[] = "1234567890abcdef "; /* align */
byte cipher[AES_BLOCK_SIZE];
byte plain [AES_BLOCK_SIZE];
byte cipher[AES_BLOCK_SIZE * 4];
byte plain [AES_BLOCK_SIZE * 4];
AesSetKey(&enc, key, AES_BLOCK_SIZE, iv, AES_ENCRYPTION);
AesSetKey(&dec, key, AES_BLOCK_SIZE, iv, AES_DECRYPTION);
@@ -1037,6 +1037,72 @@ int aes_test()
if (memcmp(cipher, verify, AES_BLOCK_SIZE))
return -61;
#ifdef CYASSL_AES_COUNTER
{
const byte ctrKey[] =
{
0x2b,0x7e,0x15,0x16,0x28,0xae,0xd2,0xa6,
0xab,0xf7,0x15,0x88,0x09,0xcf,0x4f,0x3c
};
const byte ctrIv[] =
{
0xf0,0xf1,0xf2,0xf3,0xf4,0xf5,0xf6,0xf7,
0xf8,0xf9,0xfa,0xfb,0xfc,0xfd,0xfe,0xff
};
const byte ctrPlain[] =
{
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
};
const byte ctrCipher[] =
{
0x87,0x4d,0x61,0x91,0xb6,0x20,0xe3,0x26,
0x1b,0xef,0x68,0x64,0x99,0x0d,0xb6,0xce,
0x98,0x06,0xf6,0x6b,0x79,0x70,0xfd,0xff,
0x86,0x17,0x18,0x7b,0xb9,0xff,0xfd,0xff,
0x5a,0xe4,0xdf,0x3e,0xdb,0xd5,0xd3,0x5e,
0x5b,0x4f,0x09,0x02,0x0d,0xb0,0x3e,0xab,
0x1e,0x03,0x1d,0xda,0x2f,0xbe,0x03,0xd1,
0x79,0x21,0x70,0xa0,0xf3,0x00,0x9c,0xee
};
AesSetKey(&enc, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION);
/* Ctr only uses encrypt, even on key setup */
AesSetKey(&dec, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION);
AesCtrEncrypt(&enc, cipher, ctrPlain, AES_BLOCK_SIZE*4);
AesCtrEncrypt(&dec, plain, cipher, AES_BLOCK_SIZE*4);
if (memcmp(plain, ctrPlain, AES_BLOCK_SIZE*4))
return -66;
if (memcmp(cipher, ctrCipher, AES_BLOCK_SIZE*4))
return -67;
/*
AesCtrEncrypt(&enc, cipher, ctrPlain + AES_BLOCK_SIZE, AES_BLOCK_SIZE);
AesCtrEncrypt(&dec, plain, cipher, AES_BLOCK_SIZE);
if (memcmp(plain, ctrPlain + AES_BLOCK_SIZE, AES_BLOCK_SIZE))
return -68;
if (memcmp(cipher, ctrCipher + AES_BLOCK_SIZE, AES_BLOCK_SIZE))
return -69;
*/
}
#endif /* CYASSL_AES_COUNTER */
return 0;
}
#endif /* NO_AES */