3 * AUTHOR: Aaron D. Gifford <me@aarongifford.com>
5 * Copyright (c) 2000-2001, Aaron D. Gifford
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the copyright holder nor the names of contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * $Id: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
38 /*** SHA-256/384/512 Various Length Definitions ***********************/
39 #define SHA256_BLOCK_LENGTH 64
40 #define SHA256_DIGEST_LENGTH 32
41 #define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1)
42 #define SHA384_BLOCK_LENGTH 128
43 #define SHA384_DIGEST_LENGTH 48
44 #define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1)
45 #define SHA512_BLOCK_LENGTH 128
46 #define SHA512_DIGEST_LENGTH 64
47 #define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1)
50 /*** SHA-256/384/512 Context Structures *******************************/
51 /* NOTE: If your architecture does not define either u_intXX_t types or
52 * uintXX_t (from inttypes.h), you may need to define things by hand
55 typedef struct _SHA256_CTX {
58 uint8_t buffer[SHA256_BLOCK_LENGTH];
60 typedef struct _SHA512_CTX {
63 uint8_t buffer[SHA512_BLOCK_LENGTH];
66 typedef SHA512_CTX SHA384_CTX;
69 /*** SHA-256/384/512 Function Prototypes ******************************/
70 void sat_SHA256_Init(SHA256_CTX *);
71 void sat_SHA256_Update(SHA256_CTX*, const uint8_t*, size_t);
72 void sat_SHA256_Final(uint8_t[SHA256_DIGEST_LENGTH], SHA256_CTX*);
73 char* sat_SHA256_End(SHA256_CTX*, char[SHA256_DIGEST_STRING_LENGTH]);
74 char* sat_SHA256_Data(const uint8_t*, size_t, char[SHA256_DIGEST_STRING_LENGTH]);
76 void sat_SHA384_Init(SHA384_CTX*);
77 void sat_SHA384_Update(SHA384_CTX*, const uint8_t*, size_t);
78 void sat_SHA384_Final(uint8_t[SHA384_DIGEST_LENGTH], SHA384_CTX*);
79 char* sat_SHA384_End(SHA384_CTX*, char[SHA384_DIGEST_STRING_LENGTH]);
80 char* sat_SHA384_Data(const uint8_t*, size_t, char[SHA384_DIGEST_STRING_LENGTH]);
82 void sat_SHA512_Init(SHA512_CTX*);
83 void sat_SHA512_Update(SHA512_CTX*, const uint8_t*, size_t);
84 void sat_SHA512_Final(uint8_t[SHA512_DIGEST_LENGTH], SHA512_CTX*);
85 char* sat_SHA512_End(SHA512_CTX*, char[SHA512_DIGEST_STRING_LENGTH]);
86 char* sat_SHA512_Data(const uint8_t*, size_t, char[SHA512_DIGEST_STRING_LENGTH]);