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add non block length test case, including test again, to aes ctr

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This commit is contained in:
toddouska
2014-01-23 15:18:42 -08:00
parent 43199cd573
commit 18365df209
1 changed files with 30 additions and 0 deletions
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30
ctaocrypt/test/test.c
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@ -1916,6 +1916,12 @@ int aes_test(void)
0x79,0x21,0x70,0xa0,0xf3,0x00,0x9c,0xee 0x79,0x21,0x70,0xa0,0xf3,0x00,0x9c,0xee
}; };
const byte oddCipher[] =
{
0xb9,0xd7,0xcb,0x08,0xb0,0xe1,0x7b,0xa0,
0xc2
};
AesSetKeyDirect(&enc, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION); AesSetKeyDirect(&enc, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION);
/* Ctr only uses encrypt, even on key setup */ /* Ctr only uses encrypt, even on key setup */
AesSetKeyDirect(&dec, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION); AesSetKeyDirect(&dec, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION);
@ -1928,6 +1934,30 @@ int aes_test(void)
if (memcmp(cipher, ctrCipher, AES_BLOCK_SIZE*4)) if (memcmp(cipher, ctrCipher, AES_BLOCK_SIZE*4))
return -67; return -67;
/* let's try with just 9 bytes, non block size test */
AesSetKeyDirect(&enc, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION);
/* Ctr only uses encrypt, even on key setup */
AesSetKeyDirect(&dec, ctrKey, AES_BLOCK_SIZE, ctrIv, AES_ENCRYPTION);
AesCtrEncrypt(&enc, cipher, ctrPlain, 9);
AesCtrEncrypt(&dec, plain, cipher, 9);
if (memcmp(plain, ctrPlain, 9))
return -68;
if (memcmp(cipher, ctrCipher, 9))
return -69;
/* and an additional 9 bytes to reuse tmp left buffer */
AesCtrEncrypt(&enc, cipher, ctrPlain, 9);
AesCtrEncrypt(&dec, plain, cipher, 9);
if (memcmp(plain, ctrPlain, 9))
return -70;
if (memcmp(cipher, oddCipher, 9))
return -71;
} }
#endif /* CYASSL_AES_COUNTER */ #endif /* CYASSL_AES_COUNTER */