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add AesSetKeyDirect for Ctr and Direct when also using aesni

This commit is contained in:
toddouska 2012-09-28 15:01:07 -07:00
parent dd421ebb7d
commit 2c25481e7d
2 changed files with 28 additions and 1 deletions
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26
ctaocrypt/src/aes.c
View File

@ -1027,6 +1027,13 @@ static void AesEncrypt(Aes* aes, const byte* inBlock, byte* outBlock)
CYASSL_MSG("AesEncrypt encountered improper key, set it up");
return; /* stop instead of segfaulting, set up your keys! */
}
#ifdef CYASSL_AESNI
if (haveAESNI) {
CYASSL_MSG("AesEncrypt encountered aesni keysetup, don't use direct");
return; /* just stop now */
}
#endif
/*
* map byte array block to cipher state
* and add initial round key:
@ -1165,6 +1172,13 @@ static void AesDecrypt(Aes* aes, const byte* inBlock, byte* outBlock)
CYASSL_MSG("AesDecrypt encountered improper key, set it up");
return; /* stop instead of segfaulting, set up your keys! */
}
#ifdef CYASSL_AESNI
if (haveAESNI) {
CYASSL_MSG("AesEncrypt encountered aesni keysetup, don't use direct");
return; /* just stop now */
}
#endif
/*
* map byte array block to cipher state
* and add initial round key:
@ -1381,6 +1395,18 @@ void AesDecryptDirect(Aes* aes, byte* out, const byte* in)
#endif /* CYASSL_AES_DIRECT */
#if defined(CYASSL_AES_DIRECT) || defined(CYASSL_AES_COUNTER)
/* AES-CTR and AES-DIRECT need to use this for key setup, no aesni yet */
int AesSetKeyDirect(Aes* aes, const byte* userKey, word32 keylen,
const byte* iv, int dir)
{
return AesSetKeyLocal(aes, userKey, keylen, iv, dir);
}
#endif /* CYASSL_AES_DIRECT || CYASSL_AES_COUNTER */
#ifdef CYASSL_AES_COUNTER
/* Increment AES counter */

3
cyassl/ctaocrypt/aes.h
View File

@ -87,7 +87,8 @@ CYASSL_API void AesCbcDecrypt(Aes* aes, byte* out, const byte* in, word32 sz);
CYASSL_API void AesCtrEncrypt(Aes* aes, byte* out, const byte* in, word32 sz);
CYASSL_API void AesEncryptDirect(Aes* aes, byte* out, const byte* in);
CYASSL_API void AesDecryptDirect(Aes* aes, byte* out, const byte* in);
CYASSL_API int AesSetKeyDirect(Aes* aes, const byte* key, word32 len,
const byte* iv, int dir);
#ifdef HAVE_AESGCM
CYASSL_API void AesGcmSetKey(Aes* aes, const byte* key, word32 len,
const byte* implicitIV);