ClearML/dropbear
1
0
Fork 0
mirror of https://github.com/clearml/dropbear synced 2025-06-26 18:17:32 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

update to libtomcrypt 1.17 (with Dropbear changes)

Browse Source
This commit is contained in:
Matt Johnston
2017-06-24 17:50:50 +08:00
parent 99361f54ca
commit a79b61517b
353 changed files with 4095 additions and 2649 deletions
Download Patch File Download Diff File Expand all files Collapse all files

36
libtomcrypt/src/mac/hmac/hmac_init.c
View File

@@ -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 $ */
/* $Source$ */
/* $Revision$ */
/* $Date$ */