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/* $OpenBSD: hmac.h,v 1.2 2008/09/06 22:23:20 djm Exp $ */
/*-
* Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef _HMAC_H_
#define _HMAC_H_
typedef struct _HMAC_MD5_CTX {
MD5_CTX ctx;
u_int8_t key[MD5_BLOCK_LENGTH];
u_int key_len;
} HMAC_MD5_CTX;
typedef struct _HMAC_SHA1_CTX {
SHA1_CTX ctx;
u_int8_t key[SHA1_BLOCK_LENGTH];
u_int key_len;
} HMAC_SHA1_CTX;
typedef struct _HMAC_SHA256_CTX {
SHA2_CTX ctx;
u_int8_t key[SHA256_BLOCK_LENGTH];
u_int key_len;
} HMAC_SHA256_CTX;
#include <sys/cdefs.h>
__BEGIN_DECLS
void HMAC_MD5_Init(HMAC_MD5_CTX *, const u_int8_t *, u_int)
__attribute__((__bounded__(__string__,2,3)));
void HMAC_MD5_Update(HMAC_MD5_CTX *, const u_int8_t *, u_int)
__attribute__((__bounded__(__string__,2,3)));
void HMAC_MD5_Final(u_int8_t [MD5_DIGEST_LENGTH], HMAC_MD5_CTX *)
__attribute__((__bounded__(__minbytes__,1,MD5_DIGEST_LENGTH)));
void HMAC_SHA1_Init(HMAC_SHA1_CTX *, const u_int8_t *, u_int)
__attribute__((__bounded__(__string__,2,3)));
void HMAC_SHA1_Update(HMAC_SHA1_CTX *, const u_int8_t *, u_int)
__attribute__((__bounded__(__string__,2,3)));
void HMAC_SHA1_Final(u_int8_t [SHA1_DIGEST_LENGTH], HMAC_SHA1_CTX *)
__attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
void HMAC_SHA256_Init(HMAC_SHA256_CTX *, const u_int8_t *, u_int)
__attribute__((__bounded__(__string__,2,3)));
void HMAC_SHA256_Update(HMAC_SHA256_CTX *, const u_int8_t *, u_int)
__attribute__((__bounded__(__string__,2,3)));
void HMAC_SHA256_Final(u_int8_t [SHA256_DIGEST_LENGTH], HMAC_SHA256_CTX *)
__attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
__END_DECLS
#endif /* _HMAC_H_ */
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