diff options
Diffstat (limited to 'libtomcrypt/src/mac/hmac/hmac_init.c')
| -rw-r--r-- | libtomcrypt/src/mac/hmac/hmac_init.c | 36 |
1 files changed, 18 insertions, 18 deletions
diff --git a/libtomcrypt/src/mac/hmac/hmac_init.c b/libtomcrypt/src/mac/hmac/hmac_init.c index a4a4377..262002e 100644 --- a/libtomcrypt/src/mac/hmac/hmac_init.c +++ b/libtomcrypt/src/mac/hmac/hmac_init.c @@ -6,22 +6,22 @@ * The library is free for all purposes without any express * guarantee it works. * - * Tom St Denis, tomstdenis@gmail.com, http://libtomcrypt.com + * Tom St Denis, tomstdenis@gmail.com, http://libtom.org */ #include "tomcrypt.h" /** @file hmac_init.c - HMAC support, initialize state, Tom St Denis/Dobes Vandermeer + LTC_HMAC support, initialize state, Tom St Denis/Dobes Vandermeer */ #ifdef LTC_HMAC -#define HMAC_BLOCKSIZE hash_descriptor[hash].blocksize +#define LTC_HMAC_BLOCKSIZE hash_descriptor[hash].blocksize /** - Initialize an HMAC context. - @param hmac The HMAC state + Initialize an LTC_HMAC context. + @param hmac The LTC_HMAC state @param hash The index of the hash you want to use @param key The secret key @param keylen The length of the secret key (octets) @@ -50,30 +50,30 @@ int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned lon } /* allocate memory for key */ - hmac->key = XMALLOC(HMAC_BLOCKSIZE); + hmac->key = XMALLOC(LTC_HMAC_BLOCKSIZE); if (hmac->key == NULL) { return CRYPT_MEM; } /* (1) make sure we have a large enough key */ - if(keylen > HMAC_BLOCKSIZE) { - z = HMAC_BLOCKSIZE; + if(keylen > LTC_HMAC_BLOCKSIZE) { + z = LTC_HMAC_BLOCKSIZE; if ((err = hash_memory(hash, key, keylen, hmac->key, &z)) != CRYPT_OK) { goto LBL_ERR; } - if(hashsize < HMAC_BLOCKSIZE) { - zeromem((hmac->key) + hashsize, (size_t)(HMAC_BLOCKSIZE - hashsize)); + if(hashsize < LTC_HMAC_BLOCKSIZE) { + zeromem((hmac->key) + hashsize, (size_t)(LTC_HMAC_BLOCKSIZE - hashsize)); } keylen = hashsize; } else { XMEMCPY(hmac->key, key, (size_t)keylen); - if(keylen < HMAC_BLOCKSIZE) { - zeromem((hmac->key) + keylen, (size_t)(HMAC_BLOCKSIZE - keylen)); + if(keylen < LTC_HMAC_BLOCKSIZE) { + zeromem((hmac->key) + keylen, (size_t)(LTC_HMAC_BLOCKSIZE - keylen)); } } /* Create the initial vector for step (3) */ - for(i=0; i < HMAC_BLOCKSIZE; i++) { + for(i=0; i < LTC_HMAC_BLOCKSIZE; i++) { buf[i] = hmac->key[i] ^ 0x36; } @@ -82,7 +82,7 @@ int hmac_init(hmac_state *hmac, int hash, const unsigned char *key, unsigned lon goto LBL_ERR; } - if ((err = hash_descriptor[hash].process(&hmac->md, buf, HMAC_BLOCKSIZE)) != CRYPT_OK) { + if ((err = hash_descriptor[hash].process(&hmac->md, buf, LTC_HMAC_BLOCKSIZE)) != CRYPT_OK) { goto LBL_ERR; } goto done; @@ -91,7 +91,7 @@ LBL_ERR: XFREE(hmac->key); done: #ifdef LTC_CLEAN_STACK - zeromem(buf, HMAC_BLOCKSIZE); + zeromem(buf, LTC_HMAC_BLOCKSIZE); #endif return err; @@ -99,6 +99,6 @@ done: #endif -/* $Source: /cvs/libtom/libtomcrypt/src/mac/hmac/hmac_init.c,v $ */ -/* $Revision: 1.5 $ */ -/* $Date: 2006/11/03 00:39:49 $ */ +/* $Source$ */ +/* $Revision$ */ +/* $Date$ */ |