Return to sha2.h CVS log

Up to [local] / sys / crypto

Annotation of sys/crypto/sha2.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $        */
                      2:
                      3: /*
                      4:  * FILE:       sha2.h
                      5:  * AUTHOR:     Aaron D. Gifford <me@aarongifford.com>
                      6:  *
                      7:  * Copyright (c) 2000-2001, Aaron D. Gifford
                      8:  * All rights reserved.
                      9:  *
                     10:  * Redistribution and use in source and binary forms, with or without
                     11:  * modification, are permitted provided that the following conditions
                     12:  * are met:
                     13:  * 1. Redistributions of source code must retain the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer.
                     15:  * 2. Redistributions in binary form must reproduce the above copyright
                     16:  *    notice, this list of conditions and the following disclaimer in the
                     17:  *    documentation and/or other materials provided with the distribution.
                     18:  * 3. Neither the name of the copyright holder nor the names of contributors
                     19:  *    may be used to endorse or promote products derived from this software
                     20:  *    without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
                     23:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
                     24:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
                     25:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
                     26:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
                     27:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
                     28:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
                     29:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
                     30:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
                     31:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
                     32:  * SUCH DAMAGE.
                     33:  *
                     34:  * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
                     35:  */
                     36:
                     37: #ifndef _SHA2_H
                     38: #define _SHA2_H
                     39:
                     40:
                     41: /*** SHA-256/384/512 Various Length Definitions ***********************/
                     42: #define SHA256_BLOCK_LENGTH            64
                     43: #define SHA256_DIGEST_LENGTH           32
                     44: #define SHA256_DIGEST_STRING_LENGTH    (SHA256_DIGEST_LENGTH * 2 + 1)
                     45: #define SHA384_BLOCK_LENGTH            128
                     46: #define SHA384_DIGEST_LENGTH           48
                     47: #define SHA384_DIGEST_STRING_LENGTH    (SHA384_DIGEST_LENGTH * 2 + 1)
                     48: #define SHA512_BLOCK_LENGTH            128
                     49: #define SHA512_DIGEST_LENGTH           64
                     50: #define SHA512_DIGEST_STRING_LENGTH    (SHA512_DIGEST_LENGTH * 2 + 1)
                     51:
                     52:
                     53: /*** SHA-256/384/512 Context Structures *******************************/
                     54: typedef struct _SHA256_CTX {
                     55:        u_int32_t       state[8];
                     56:        u_int64_t       bitcount;
                     57:        u_int8_t        buffer[SHA256_BLOCK_LENGTH];
                     58: } SHA256_CTX;
                     59: typedef struct _SHA512_CTX {
                     60:        u_int64_t       state[8];
                     61:        u_int64_t       bitcount[2];
                     62:        u_int8_t        buffer[SHA512_BLOCK_LENGTH];
                     63: } SHA512_CTX;
                     64:
                     65: typedef SHA512_CTX SHA384_CTX;
                     66:
                     67: #include <sys/cdefs.h>
                     68:
                     69: __BEGIN_DECLS
                     70: void SHA256_Init(SHA256_CTX *);
                     71: void SHA256_Update(SHA256_CTX *, const u_int8_t *, size_t)
                     72:        __attribute__((__bounded__(__string__,2,3)));
                     73: void SHA256_Final(u_int8_t[SHA256_DIGEST_LENGTH], SHA256_CTX *)
                     74:        __attribute__((__bounded__(__minbytes__,1,SHA256_DIGEST_LENGTH)));
                     75:
                     76: void SHA384_Init(SHA384_CTX *);
                     77: void SHA384_Update(SHA384_CTX *, const u_int8_t *, size_t)
                     78:        __attribute__((__bounded__(__string__,2,3)));
                     79: void SHA384_Final(u_int8_t[SHA384_DIGEST_LENGTH], SHA384_CTX *)
                     80:        __attribute__((__bounded__(__minbytes__,1,SHA384_DIGEST_LENGTH)));
                     81:
                     82: void SHA512_Init(SHA512_CTX *);
                     83: void SHA512_Update(SHA512_CTX *, const u_int8_t *, size_t)
                     84:        __attribute__((__bounded__(__string__,2,3)));
                     85: void SHA512_Final(u_int8_t[SHA512_DIGEST_LENGTH], SHA512_CTX *)
                     86:        __attribute__((__bounded__(__minbytes__,1,SHA512_DIGEST_LENGTH)));
                     87: __END_DECLS
                     88:
                     89: #endif /* _SHA2_H */