/* $OpenBSD: hmac.h,v 1.3 2012/12/05 23:20:15 deraadt 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; __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_ */