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modify AES-CBC with AESNI test to check all key sizes for each message size checked

This commit is contained in:
John Safranek 2016-04-13 12:18:59 -07:00
parent 13f002f186
commit 57fce85531
1 changed files with 26 additions and 18 deletions
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44
wolfcrypt/test/test.c
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@ -2722,29 +2722,37 @@ int aes_test(void)
0x70,0x6c,0x61,0x79,0x20,0x6d,0x61,0x6b,
0x65,0x73,0x20,0x4a,0x61,0x63,0x6b,0x20
};
const byte bigKey[] = "0123456789abcdeffedcba9876543210";
byte bigCipher[sizeof(bigMsg)];
byte bigPlain[sizeof(bigMsg)];
word32 i;
word32 keySz, msgSz;
for (i = AES_BLOCK_SIZE; i <= sizeof(bigMsg); i += AES_BLOCK_SIZE) {
memset(bigCipher, 0, sizeof(bigCipher));
memset(bigPlain, 0, sizeof(bigPlain));
ret = wc_AesSetKey(&enc, key, AES_BLOCK_SIZE, iv, AES_ENCRYPTION);
if (ret != 0)
return -1030;
ret = wc_AesSetKey(&dec, key, AES_BLOCK_SIZE, iv, AES_DECRYPTION);
if (ret != 0)
return -1031;
/* Iterate from one AES_BLOCK_SIZE of bigMsg through the whole
* message by AES_BLOCK_SIZE for each size of AES key. */
for (keySz = 16; keySz <= 32; keySz += 8) {
for (msgSz = AES_BLOCK_SIZE;
msgSz <= sizeof(bigMsg);
msgSz += AES_BLOCK_SIZE) {
ret = wc_AesCbcEncrypt(&enc, bigCipher, bigMsg, i);
if (ret != 0)
return -1032;
ret = wc_AesCbcDecrypt(&dec, bigPlain, bigCipher, i);
if (ret != 0)
return -1033;
memset(bigCipher, 0, sizeof(bigCipher));
memset(bigPlain, 0, sizeof(bigPlain));
ret = wc_AesSetKey(&enc, bigKey, keySz, iv, AES_ENCRYPTION);
if (ret != 0)
return -1030;
ret = wc_AesSetKey(&dec, bigKey, keySz, iv, AES_DECRYPTION);
if (ret != 0)
return -1031;
if (memcmp(bigPlain, bigMsg, i))
return -1034;
ret = wc_AesCbcEncrypt(&enc, bigCipher, bigMsg, msgSz);
if (ret != 0)
return -1032;
ret = wc_AesCbcDecrypt(&dec, bigPlain, bigCipher, msgSz);
if (ret != 0)
return -1033;
if (memcmp(bigPlain, bigMsg, msgSz))
return -1034;
}
}
}
#endif /* WOLFSSL_AESNI HAVE_AES_DECRYPT */