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add hmac sha512

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This commit is contained in:
toddouska
2013-03-20 12:26:55 -07:00
parent 3af1275f5d
commit 7d7a72f2a6
4 changed files with 139 additions and 3 deletions
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53
ctaocrypt/src/hmac.c
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@@ -42,7 +42,8 @@ static int InitHmac(Hmac* hmac, int type)
hmac->innerHashKeyed = 0;
hmac->macType = (byte)type;
if (!(type == MD5 || type == SHA || type == SHA256 || type == SHA384))
if (!(type == MD5 || type == SHA || type == SHA256 || type == SHA384
|| type == SHA512))
return BAD_FUNC_ARG;
switch (type) {
@@ -70,6 +71,12 @@ static int InitHmac(Hmac* hmac, int type)
break;
#endif
#ifdef CYASSL_SHA512
case SHA512:
InitSha512(&hmac->hash.sha512);
break;
#endif
default:
break;
}
@@ -156,6 +163,22 @@ void HmacSetKey(Hmac* hmac, int type, const byte* key, word32 length)
break;
#endif
#ifdef CYASSL_SHA512
case SHA512:
{
hmac_block_size = SHA512_BLOCK_SIZE;
if (length <= SHA512_BLOCK_SIZE) {
XMEMCPY(ip, key, length);
}
else {
Sha512Update(&hmac->hash.sha512, key, length);
Sha512Final(&hmac->hash.sha512, ip);
length = SHA512_DIGEST_SIZE;
}
}
break;
#endif
default:
break;
}
@@ -198,6 +221,13 @@ static void HmacKeyInnerHash(Hmac* hmac)
break;
#endif
#ifdef CYASSL_SHA512
case SHA512:
Sha512Update(&hmac->hash.sha512,
(byte*) hmac->ipad, SHA512_BLOCK_SIZE);
break;
#endif
default:
break;
}
@@ -241,6 +271,12 @@ void HmacUpdate(Hmac* hmac, const byte* msg, word32 length)
break;
#endif
#ifdef CYASSL_SHA512
case SHA512:
Sha512Update(&hmac->hash.sha512, msg, length);
break;
#endif
default:
break;
}
@@ -317,6 +353,21 @@ void HmacFinal(Hmac* hmac, byte* hash)
break;
#endif
#ifdef CYASSL_SHA512
case SHA512:
{
Sha512Final(&hmac->hash.sha512, (byte*) hmac->innerHash);
Sha512Update(&hmac->hash.sha512,
(byte*) hmac->opad, SHA512_BLOCK_SIZE);
Sha512Update(&hmac->hash.sha512,
(byte*) hmac->innerHash, SHA512_DIGEST_SIZE);
Sha512Final(&hmac->hash.sha512, hash);
}
break;
#endif
default:
break;
}