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Merge pull request #1179 from ejohnstown/evp-aes

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EVP-AES
This commit is contained in:
dgarske 2017-10-17 19:23:11 -07:00 committed by GitHub
commit 1bf9d092af
2 changed files with 49 additions and 7 deletions
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8
wolfcrypt/src/evp.c
View File

@ -342,7 +342,10 @@ WOLFSSL_API int wolfSSL_EVP_CipherFinal(WOLFSSL_EVP_CIPHER_CTX *ctx,
return 1;
}
if (ctx->enc) {
if (ctx->bufUsed > 0) {
if (ctx->block_size == 1){
*outl = 0; return 1;
}
if ((ctx->bufUsed >= 0) && (ctx->block_size != 1)) {
padBlock(ctx);
PRINT_BUF(ctx->buf, ctx->block_size);
if (evpCipherBlock(ctx, out, ctx->buf, ctx->block_size) == 0)
@ -351,6 +354,9 @@ WOLFSSL_API int wolfSSL_EVP_CipherFinal(WOLFSSL_EVP_CIPHER_CTX *ctx,
*outl = ctx->block_size;
}
} else {
if (ctx->block_size == 1){
*outl = 0; return 1;
}
if (ctx->lastUsed){
PRINT_BUF(ctx->lastBlock, ctx->block_size);
if ((fl = checkPad(ctx, ctx->lastBlock)) >= 0) {

48
wolfcrypt/test/test.c
View File

@ -9777,7 +9777,7 @@ int openssl_test(void)
{ /* evp_cipher test: EVP_aes_128_cbc */
EVP_CIPHER_CTX ctx;
int idx, cipherSz, plainSz;
const byte msg[] = { /* "Now is the time for all " w/o trailing 0 */
0x6e,0x6f,0x77,0x20,0x69,0x73,0x20,0x74,
@ -9788,7 +9788,17 @@ int openssl_test(void)
const byte verify[] =
{
0x95,0x94,0x92,0x57,0x5f,0x42,0x81,0x53,
0x2c,0xcc,0x9d,0x46,0x77,0xa2,0x33,0xcb
0x2c,0xcc,0x9d,0x46,0x77,0xa2,0x33,0xcb,
0x3b,0x5d,0x41,0x97,0x94,0x25,0xa4,0xb4,
0xae,0x7b,0x34,0xd0,0x3f,0x0c,0xbc,0x06
};
const byte verify2[] =
{
0x95,0x94,0x92,0x57,0x5f,0x42,0x81,0x53,
0x2c,0xcc,0x9d,0x46,0x77,0xa2,0x33,0xcb,
0x7d,0x37,0x7b,0x0b,0x44,0xaa,0xb5,0xf0,
0x5f,0x34,0xb4,0xde,0xb5,0xbd,0x2a,0xbb
};
byte key[] = "0123456789abcdef "; /* align */
@ -9801,22 +9811,48 @@ int openssl_test(void)
if (EVP_CipherInit(&ctx, EVP_aes_128_cbc(), key, iv, 1) == 0)
return -5912;
if (EVP_Cipher(&ctx, cipher, (byte*)msg, 16) == 0)
if (EVP_CipherUpdate(&ctx, cipher, &idx, (byte*)msg, sizeof(msg)) == 0)
return -5913;
if (XMEMCMP(cipher, verify, AES_BLOCK_SIZE))
cipherSz = idx;
if (EVP_CipherFinal(&ctx, cipher + cipherSz, &idx) == 0)
return -8107;
cipherSz += idx;
if ((cipherSz != (int)sizeof(verify)) &&
XMEMCMP(cipher, verify, cipherSz))
return -5914;
EVP_CIPHER_CTX_init(&ctx);
if (EVP_CipherInit(&ctx, EVP_aes_128_cbc(), key, iv, 0) == 0)
return -5915;
if (EVP_Cipher(&ctx, plain, cipher, 16) == 0)
if (EVP_CipherUpdate(&ctx, plain, &idx, cipher, cipherSz) == 0)
return -5916;
if (XMEMCMP(plain, msg, AES_BLOCK_SIZE))
plainSz = idx;
if (EVP_CipherFinal(&ctx, plain + plainSz, &idx) == 0)
return -8108;
plainSz += idx;
if ((plainSz != sizeof(msg)) || XMEMCMP(plain, msg, sizeof(msg)))
return -5917;
EVP_CIPHER_CTX_init(&ctx);
if (EVP_CipherInit(&ctx, EVP_aes_128_cbc(), key, iv, 1) == 0)
return -8109;
if (EVP_CipherUpdate(&ctx, cipher, &idx, msg, AES_BLOCK_SIZE) == 0)
return -8110;
cipherSz = idx;
if (EVP_CipherFinal(&ctx, cipher + cipherSz, &idx) == 0)
return -8111;
cipherSz += idx;
if ((cipherSz != (int)sizeof(verify2)) ||
XMEMCMP(cipher, verify2, cipherSz))
return -8112;
} /* end evp_cipher test: EVP_aes_128_cbc*/