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116 lines
4.2 KiB
C
116 lines
4.2 KiB
C
/*-------------------------------------------------------------------------
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*
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* sha2.h
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* Generic headers for SHA224, 256, 384 AND 512 functions of PostgreSQL.
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*
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* Portions Copyright (c) 2016-2019, PostgreSQL Global Development Group
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*
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* IDENTIFICATION
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* src/include/common/sha2.h
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*
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*-------------------------------------------------------------------------
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*/
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/* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */
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/*
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* FILE: sha2.h
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* AUTHOR: Aaron D. Gifford <me@aarongifford.com>
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*
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* Copyright (c) 2000-2001, Aaron D. Gifford
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holder nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $
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*/
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#ifndef _PG_SHA2_H_
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#define _PG_SHA2_H_
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#ifdef USE_SSL
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#include <openssl/sha.h>
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#endif
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/*** SHA224/256/384/512 Various Length Definitions ***********************/
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#define PG_SHA224_BLOCK_LENGTH 64
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#define PG_SHA224_DIGEST_LENGTH 28
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#define PG_SHA224_DIGEST_STRING_LENGTH (PG_SHA224_DIGEST_LENGTH * 2 + 1)
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#define PG_SHA256_BLOCK_LENGTH 64
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#define PG_SHA256_DIGEST_LENGTH 32
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#define PG_SHA256_DIGEST_STRING_LENGTH (PG_SHA256_DIGEST_LENGTH * 2 + 1)
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#define PG_SHA384_BLOCK_LENGTH 128
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#define PG_SHA384_DIGEST_LENGTH 48
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#define PG_SHA384_DIGEST_STRING_LENGTH (PG_SHA384_DIGEST_LENGTH * 2 + 1)
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#define PG_SHA512_BLOCK_LENGTH 128
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#define PG_SHA512_DIGEST_LENGTH 64
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#define PG_SHA512_DIGEST_STRING_LENGTH (PG_SHA512_DIGEST_LENGTH * 2 + 1)
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/* Context Structures for SHA-1/224/256/384/512 */
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#ifdef USE_SSL
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typedef SHA256_CTX pg_sha256_ctx;
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typedef SHA512_CTX pg_sha512_ctx;
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typedef SHA256_CTX pg_sha224_ctx;
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typedef SHA512_CTX pg_sha384_ctx;
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#else
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typedef struct pg_sha256_ctx
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{
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uint32 state[8];
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uint64 bitcount;
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uint8 buffer[PG_SHA256_BLOCK_LENGTH];
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} pg_sha256_ctx;
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typedef struct pg_sha512_ctx
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{
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uint64 state[8];
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uint64 bitcount[2];
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uint8 buffer[PG_SHA512_BLOCK_LENGTH];
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} pg_sha512_ctx;
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typedef struct pg_sha256_ctx pg_sha224_ctx;
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typedef struct pg_sha512_ctx pg_sha384_ctx;
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#endif /* USE_SSL */
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/* Interface routines for SHA224/256/384/512 */
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extern void pg_sha224_init(pg_sha224_ctx *ctx);
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extern void pg_sha224_update(pg_sha224_ctx *ctx, const uint8 *input0,
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size_t len);
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extern void pg_sha224_final(pg_sha224_ctx *ctx, uint8 *dest);
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extern void pg_sha256_init(pg_sha256_ctx *ctx);
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extern void pg_sha256_update(pg_sha256_ctx *ctx, const uint8 *input0,
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size_t len);
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extern void pg_sha256_final(pg_sha256_ctx *ctx, uint8 *dest);
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extern void pg_sha384_init(pg_sha384_ctx *ctx);
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extern void pg_sha384_update(pg_sha384_ctx *ctx,
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const uint8 *, size_t len);
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extern void pg_sha384_final(pg_sha384_ctx *ctx, uint8 *dest);
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extern void pg_sha512_init(pg_sha512_ctx *ctx);
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extern void pg_sha512_update(pg_sha512_ctx *ctx, const uint8 *input0,
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size_t len);
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extern void pg_sha512_final(pg_sha512_ctx *ctx, uint8 *dest);
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#endif /* _PG_SHA2_H_ */
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