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

This commit is contained in:
toddouska 2014-01-23 15:18:42 -08:00
parent 43199cd573
commit 18365df209

View File

@ -1916,6 +1916,12 @@ int aes_test(void)
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);
/* Ctr only uses encrypt, even on key setup */
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))
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 */