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 73 typedef SHA256_CTX pg_sha256_ctx; 74 typedef SHA512_CTX pg_sha512_ctx; 75 typedef SHA256_CTX pg_sha224_ctx; 76 typedef SHA512_CTX pg_sha384_ctx; 77 #else 78 typedef struct pg_sha256_ctx 79 { 80 uint32 state[8]; 81 uint64 bitcount; 82 uint8 buffer[PG_SHA256_BLOCK_LENGTH]; 83 } pg_sha256_ctx; 84 typedef struct pg_sha512_ctx 85 { 86 uint64 state[8]; 87 uint64 bitcount[2]; 88 uint8 buffer[PG_SHA512_BLOCK_LENGTH]; 89 } pg_sha512_ctx; 90 typedef struct pg_sha256_ctx pg_sha224_ctx; 91 typedef struct pg_sha512_ctx pg_sha384_ctx; 92 #endif /* USE_OPENSSL */ 93 94 /* Interface routines for SHA224/256/384/512 */ 95 extern void pg_sha224_init(pg_sha224_ctx *ctx); 96 extern void pg_sha224_update(pg_sha224_ctx *ctx, const uint8 *input0, 97 size_t len); 98 extern void pg_sha224_final(pg_sha224_ctx *ctx, uint8 *dest); 99 100 extern void pg_sha256_init(pg_sha256_ctx *ctx); 101 extern void pg_sha256_update(pg_sha256_ctx *ctx, const uint8 *input0, 102 size_t len); 103 extern void pg_sha256_final(pg_sha256_ctx *ctx, uint8 *dest); 104 105 extern void pg_sha384_init(pg_sha384_ctx *ctx); 106 extern void pg_sha384_update(pg_sha384_ctx *ctx, 107 const uint8 *, size_t len); 108 extern void pg_sha384_final(pg_sha384_ctx *ctx, uint8 *dest); 109 110 extern void pg_sha512_init(pg_sha512_ctx *ctx); 111 extern void pg_sha512_update(pg_sha512_ctx *ctx, const uint8 *input0, 112 size_t len); 113 extern void pg_sha512_final(pg_sha512_ctx *ctx, uint8 *dest); 114 115 #endif /* _PG_SHA2_H_ */ 116