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add freescale mmcau hardware crypto alignment requirement, error out if not met

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toddouska
2014-05-13 15:51:35 -07:00
parent 7f938f3bdf
commit 0a8804b3f8
3 changed files with 37 additions and 0 deletions
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10
ctaocrypt/src/aes.c
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@@ -804,6 +804,11 @@ int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
iv = (byte*)aes->reg;
enc_key = (byte*)aes->key;
if ((word)out % CYASSL_MMCAU_ALIGNMENT) {
CYASSL_MSG("Bad cau_aes_encrypt alignment");
return BAD_ALIGN_E;
}
while (len > 0)
{
XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE);
@@ -836,6 +841,11 @@ int AesSetKey(Aes* aes, const byte* userKey, word32 keylen, const byte* iv,
iv = (byte*)aes->reg;
dec_key = (byte*)aes->key;
if ((word)out % CYASSL_MMCAU_ALIGNMENT) {
CYASSL_MSG("Bad cau_aes_decrypt alignment");
return BAD_ALIGN_E;
}
while (len > 0)
{
XMEMCPY(temp_block, in + offset, AES_BLOCK_SIZE);