hmac.h

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    1 /*      $OpenBSD: hmac.h,v 1.3 2012/12/05 23:20:15 deraadt Exp $        */
    2 
    3 /*-
    4  * Copyright (c) 2008 Damien Bergamini <damien.bergamini@free.fr>
    5  *
    6  * Permission to use, copy, modify, and distribute this software for any
    7  * purpose with or without fee is hereby granted, provided that the above
    8  * copyright notice and this permission notice appear in all copies.
    9  *
   10  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   11  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
   12  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
   13  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
   14  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
   15  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
   16  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
   17  */
   18 
   19 #ifndef _HMAC_H_
   20 #define _HMAC_H_
   21 
   22 typedef struct _HMAC_MD5_CTX {
   23         MD5_CTX         ctx;
   24         u_int8_t        key[MD5_BLOCK_LENGTH];
   25         u_int           key_len;
   26 } HMAC_MD5_CTX;
   27 
   28 typedef struct _HMAC_SHA1_CTX {
   29         SHA1_CTX        ctx;
   30         u_int8_t        key[SHA1_BLOCK_LENGTH];
   31         u_int           key_len;
   32 } HMAC_SHA1_CTX;
   33 
   34 typedef struct _HMAC_SHA256_CTX {
   35         SHA2_CTX        ctx;
   36         u_int8_t        key[SHA256_BLOCK_LENGTH];
   37         u_int           key_len;
   38 } HMAC_SHA256_CTX;
   39 
   40 __BEGIN_DECLS
   41 
   42 void     HMAC_MD5_Init(HMAC_MD5_CTX *, const u_int8_t *, u_int)
   43                 __attribute__((__bounded__(__string__,2,3)));
   44 void     HMAC_MD5_Update(HMAC_MD5_CTX *, const u_int8_t *, u_int)
   45                 __attribute__((__bounded__(__string__,2,3)));
   46 void     HMAC_MD5_Final(u_int8_t [MD5_DIGEST_LENGTH], HMAC_MD5_CTX *)
   47                 __attribute__((__bounded__(__minbytes__,1,MD5_DIGEST_LENGTH)));
   48 
   49 void     HMAC_SHA1_Init(HMAC_SHA1_CTX *, const u_int8_t *, u_int)
   50                 __attribute__((__bounded__(__string__,2,3)));
   51 void     HMAC_SHA1_Update(HMAC_SHA1_CTX *, const u_int8_t *, u_int)
   52                 __attribute__((__bounded__(__string__,2,3)));
   53 void     HMAC_SHA1_Final(u_int8_t [SHA1_DIGEST_LENGTH], HMAC_SHA1_CTX *)
   54                 __attribute__((__bounded__(__minbytes__,1,SHA1_DIGEST_LENGTH)));
   55 
   56 void     HMAC_SHA256_Init(HMAC_SHA256_CTX *, const u_int8_t *, u_int)
   57                 __attribute__((__bounded__(__string__,2,3)));
   58 void     HMAC_SHA256_Update(HMAC_SHA256_CTX *, const u_int8_t *, u_int)
   59                 __attribute__((__bounded__(__string__,2,3)));
   60 void     HMAC_SHA256_Final(u_int8_t [SHA256_DIGEST_LENGTH], HMAC_SHA256_CTX *)
   61                 __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
   62 
   63 __END_DECLS
   64 
   65 #endif  /* _HMAC_H_ */

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FreeBSD/Linux Kernel Cross Reference sys/crypto/hmac.h

FreeBSD/Linux Kernel Cross Reference
sys/crypto/hmac.h