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      1 /*	$NetBSD: sha.h,v 1.2 2017/01/28 21:31:47 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1995 - 2001 Kungliga Tekniska Hgskolan
      5  * (Royal Institute of Technology, Stockholm, Sweden).
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  *
     12  * 1. Redistributions of source code must retain the above copyright
     13  *    notice, this list of conditions and the following disclaimer.
     14  *
     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  *
     19  * 3. Neither the name of the Institute nor the names of its contributors
     20  *    may be used to endorse or promote products derived from this software
     21  *    without specific prior written permission.
     22  *
     23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
     24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
     26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
     27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
     28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
     29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
     31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     33  * SUCH DAMAGE.
     34  */
     35 
     36 /* Id */
     37 
     38 #ifndef HEIM_SHA_H
     39 #define HEIM_SHA_H 1
     40 
     41 /* symbol renaming */
     42 #define SHA1_Init hc_SHA1_Init
     43 #define SHA1_Update hc_SHA1_Update
     44 #define SHA1_Final hc_SHA1_Final
     45 #define SHA256_Init hc_SHA256_Init
     46 #define SHA256_Update hc_SHA256_Update
     47 #define SHA256_Final hc_SHA256_Final
     48 #define SHA384_Init hc_SHA384_Init
     49 #define SHA384_Update hc_SHA384_Update
     50 #define SHA384_Final hc_SHA384_Final
     51 #define SHA512_Init hc_SHA512_Init
     52 #define SHA512_Update hc_SHA512_Update
     53 #define SHA512_Final hc_SHA512_Final
     54 
     55 /*
     56  * SHA-1
     57  */
     58 
     59 #define SHA_DIGEST_LENGTH 20
     60 
     61 struct sha {
     62   unsigned int sz[2];
     63   uint32_t counter[5];
     64   unsigned char save[64];
     65 };
     66 
     67 typedef struct sha SHA_CTX;
     68 
     69 int SHA1_Init (struct sha *m);
     70 int SHA1_Update (struct sha *m, const void *v, size_t len);
     71 int SHA1_Final (void *res, struct sha *m);
     72 
     73 /*
     74  * SHA-2 256
     75  */
     76 
     77 #define SHA256_DIGEST_LENGTH 32
     78 
     79 struct hc_sha256state {
     80   unsigned int sz[2];
     81   uint32_t counter[8];
     82   unsigned char save[64];
     83 };
     84 
     85 typedef struct hc_sha256state SHA256_CTX;
     86 
     87 int SHA256_Init (SHA256_CTX *);
     88 int SHA256_Update (SHA256_CTX *, const void *, size_t);
     89 int SHA256_Final (void *, SHA256_CTX *);
     90 
     91 /*
     92  * SHA-2 512
     93  */
     94 
     95 #define SHA512_DIGEST_LENGTH 64
     96 
     97 struct hc_sha512state {
     98   uint64_t sz[2];
     99   uint64_t counter[8];
    100   unsigned char save[128];
    101 };
    102 
    103 typedef struct hc_sha512state SHA512_CTX;
    104 
    105 int SHA512_Init (SHA512_CTX *);
    106 int SHA512_Update (SHA512_CTX *, const void *, size_t);
    107 int SHA512_Final (void *, SHA512_CTX *);
    108 
    109 #define SHA384_DIGEST_LENGTH 48
    110 
    111 typedef struct hc_sha512state SHA384_CTX;
    112 
    113 int SHA384_Init (SHA384_CTX *);
    114 int SHA384_Update (SHA384_CTX *, const void *, size_t);
    115 int SHA384_Final (void *, SHA384_CTX *);
    116 
    117 #endif /* HEIM_SHA_H */
    118