94 lines
2.9 KiB
C
94 lines
2.9 KiB
C
|
/*
|
||
|
|
* libEtPan! -- a mail stuff library
|
||
|
|
*
|
||
|
|
* Copyright (C) 2001, 2005 - DINH Viet Hoa
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. Neither the name of the libEtPan! project nor the names of its
|
||
|
|
* contributors may be used to endorse or promote products derived
|
||
|
|
* from this software without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
/* hmac-md5.h -- HMAC_MD5 functions
|
||
|
|
*/
|
||
|
|
|
||
|
|
/*
|
||
|
|
* $Id: hmac-md5.h,v 1.1.1.1 2005/03/18 20:17:28 zautrix Exp $
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef HMAC_MD5_H
|
||
|
|
#define HMAC_MD5_H 1
|
||
|
|
|
||
|
|
namespace md5
|
||
|
|
{
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#define HMAC_MD5_SIZE 16
|
||
|
|
|
||
|
|
/* intermediate MD5 context */
|
||
|
|
typedef struct HMAC_MD5_CTX_s {
|
||
|
|
MD5_CTX ictx, octx;
|
||
|
|
} HMAC_MD5_CTX;
|
||
|
|
|
||
|
|
/* intermediate HMAC state
|
||
|
|
* values stored in network byte order (Big Endian)
|
||
|
|
*/
|
||
|
|
typedef struct HMAC_MD5_STATE_s {
|
||
|
|
UINT4 istate[4];
|
||
|
|
UINT4 ostate[4];
|
||
|
|
} HMAC_MD5_STATE;
|
||
|
|
|
||
|
|
/* One step hmac computation
|
||
|
|
*
|
||
|
|
* digest may be same as text or key
|
||
|
|
*/
|
||
|
|
void hmac_md5(const unsigned char *text, int text_len,
|
||
|
|
const unsigned char *key, int key_len,
|
||
|
|
unsigned char digest[HMAC_MD5_SIZE]);
|
||
|
|
|
||
|
|
/* create context from key
|
||
|
|
*/
|
||
|
|
void hmac_md5_init(HMAC_MD5_CTX *hmac,
|
||
|
|
const unsigned char *key, int key_len);
|
||
|
|
|
||
|
|
/* precalculate intermediate state from key
|
||
|
|
*/
|
||
|
|
void hmac_md5_precalc(HMAC_MD5_STATE *hmac,
|
||
|
|
const unsigned char *key, int key_len);
|
||
|
|
|
||
|
|
/* initialize context from intermediate state
|
||
|
|
*/
|
||
|
|
void hmac_md5_import(HMAC_MD5_CTX *hmac, HMAC_MD5_STATE *state);
|
||
|
|
|
||
|
|
#define hmac_md5_update(hmac, text, text_len) MD5Update(&(hmac)->ictx, (text), (text_len))
|
||
|
|
|
||
|
|
/* finish hmac from intermediate result. Intermediate result is zeroed.
|
||
|
|
*/
|
||
|
|
void hmac_md5_final(unsigned char digest[HMAC_MD5_SIZE],
|
||
|
|
HMAC_MD5_CTX *hmac);
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif /* HMAC_MD5_H */
|