1/*-------------------------------------------------------------------------
2 *
3 * sha2.h
4 * Generic headers for SHA224, 256, 384 AND 512 functions of PostgreSQL.
5 *
6 * Portions Copyright (c) 2016-2019, PostgreSQL Global Development Group
7 *
8 * IDENTIFICATION
9 * src/include/common/sha2.h
10 *
11 *-------------------------------------------------------------------------
12 */
13
14/* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */
15
16/*
17 * FILE: sha2.h
18 * AUTHOR: Aaron D. Gifford <me@aarongifford.com>
19 *
20 * Copyright (c) 2000-2001, Aaron D. Gifford
21 * All rights reserved.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the above copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. Neither the name of the copyright holder nor the names of contributors
32 * may be used to endorse or promote products derived from this software
33 * without specific prior written permission.
34 *
35 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
36 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
37 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
38 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
39 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
40 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
41 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
42 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
43 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
44 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
45 * SUCH DAMAGE.
46 *
47 * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
48 */
49
50#ifndef _PG_SHA2_H_
51#define _PG_SHA2_H_
52
53#ifdef USE_OPENSSL
54#include <openssl/sha.h>
55#endif
56
57/*** SHA224/256/384/512 Various Length Definitions ***********************/
58#define PG_SHA224_BLOCK_LENGTH 64
59#define PG_SHA224_DIGEST_LENGTH 28
60#define PG_SHA224_DIGEST_STRING_LENGTH (PG_SHA224_DIGEST_LENGTH * 2 + 1)
61#define PG_SHA256_BLOCK_LENGTH 64
62#define PG_SHA256_DIGEST_LENGTH 32
63#define PG_SHA256_DIGEST_STRING_LENGTH (PG_SHA256_DIGEST_LENGTH * 2 + 1)
64#define PG_SHA384_BLOCK_LENGTH 128
65#define PG_SHA384_DIGEST_LENGTH 48
66#define PG_SHA384_DIGEST_STRING_LENGTH (PG_SHA384_DIGEST_LENGTH * 2 + 1)
67#define PG_SHA512_BLOCK_LENGTH 128
68#define PG_SHA512_DIGEST_LENGTH 64
69#define PG_SHA512_DIGEST_STRING_LENGTH (PG_SHA512_DIGEST_LENGTH * 2 + 1)
70
71/* Context Structures for SHA-1/224/256/384/512 */
72#ifdef USE_OPENSSL
73typedef SHA256_CTX pg_sha256_ctx;
74typedef SHA512_CTX pg_sha512_ctx;
75typedef SHA256_CTX pg_sha224_ctx;
76typedef SHA512_CTX pg_sha384_ctx;
77#else
78typedef struct pg_sha256_ctx
79{
80 uint32 state[8];
81 uint64 bitcount;
82 uint8 buffer[PG_SHA256_BLOCK_LENGTH];
83} pg_sha256_ctx;
84typedef struct pg_sha512_ctx
85{
86 uint64 state[8];
87 uint64 bitcount[2];
88 uint8 buffer[PG_SHA512_BLOCK_LENGTH];
89} pg_sha512_ctx;
90typedef struct pg_sha256_ctx pg_sha224_ctx;
91typedef struct pg_sha512_ctx pg_sha384_ctx;
92#endif /* USE_OPENSSL */
93
94/* Interface routines for SHA224/256/384/512 */
95extern void pg_sha224_init(pg_sha224_ctx *ctx);
96extern void pg_sha224_update(pg_sha224_ctx *ctx, const uint8 *input0,
97 size_t len);
98extern void pg_sha224_final(pg_sha224_ctx *ctx, uint8 *dest);
99
100extern void pg_sha256_init(pg_sha256_ctx *ctx);
101extern void pg_sha256_update(pg_sha256_ctx *ctx, const uint8 *input0,
102 size_t len);
103extern void pg_sha256_final(pg_sha256_ctx *ctx, uint8 *dest);
104
105extern void pg_sha384_init(pg_sha384_ctx *ctx);
106extern void pg_sha384_update(pg_sha384_ctx *ctx,
107 const uint8 *, size_t len);
108extern void pg_sha384_final(pg_sha384_ctx *ctx, uint8 *dest);
109
110extern void pg_sha512_init(pg_sha512_ctx *ctx);
111extern void pg_sha512_update(pg_sha512_ctx *ctx, const uint8 *input0,
112 size_t len);
113extern void pg_sha512_final(pg_sha512_ctx *ctx, uint8 *dest);
114
115#endif /* _PG_SHA2_H_ */
116