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Diffstat (limited to 'src/include/common/sha2.h')
| -rw-r--r-- | src/include/common/sha2.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/src/include/common/sha2.h b/src/include/common/sha2.h new file mode 100644 index 0000000..673e75b --- /dev/null +++ b/src/include/common/sha2.h @@ -0,0 +1,115 @@ +/*------------------------------------------------------------------------- + * + * sha2.h + * Generic headers for SHA224, 256, 384 AND 512 functions of PostgreSQL. + * + * Portions Copyright (c) 2016-2020, PostgreSQL Global Development Group + * + * IDENTIFICATION + * src/include/common/sha2.h + * + *------------------------------------------------------------------------- + */ + +/* $OpenBSD: sha2.h,v 1.2 2004/04/28 23:11:57 millert Exp $ */ + +/* + * FILE: sha2.h + * AUTHOR: Aaron D. Gifford <me@aarongifford.com> + * + * Copyright (c) 2000-2001, Aaron D. Gifford + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the copyright holder nor the names of contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTOR(S) ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTOR(S) BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * $From: sha2.h,v 1.1 2001/11/08 00:02:01 adg Exp adg $ + */ + +#ifndef _PG_SHA2_H_ +#define _PG_SHA2_H_ + +#ifdef USE_OPENSSL +#include <openssl/sha.h> +#endif + +/*** SHA224/256/384/512 Various Length Definitions ***********************/ +#define PG_SHA224_BLOCK_LENGTH 64 +#define PG_SHA224_DIGEST_LENGTH 28 +#define PG_SHA224_DIGEST_STRING_LENGTH (PG_SHA224_DIGEST_LENGTH * 2 + 1) +#define PG_SHA256_BLOCK_LENGTH 64 +#define PG_SHA256_DIGEST_LENGTH 32 +#define PG_SHA256_DIGEST_STRING_LENGTH (PG_SHA256_DIGEST_LENGTH * 2 + 1) +#define PG_SHA384_BLOCK_LENGTH 128 +#define PG_SHA384_DIGEST_LENGTH 48 +#define PG_SHA384_DIGEST_STRING_LENGTH (PG_SHA384_DIGEST_LENGTH * 2 + 1) +#define PG_SHA512_BLOCK_LENGTH 128 +#define PG_SHA512_DIGEST_LENGTH 64 +#define PG_SHA512_DIGEST_STRING_LENGTH (PG_SHA512_DIGEST_LENGTH * 2 + 1) + +/* Context Structures for SHA-1/224/256/384/512 */ +#ifdef USE_OPENSSL +typedef SHA256_CTX pg_sha256_ctx; +typedef SHA512_CTX pg_sha512_ctx; +typedef SHA256_CTX pg_sha224_ctx; +typedef SHA512_CTX pg_sha384_ctx; +#else +typedef struct pg_sha256_ctx +{ + uint32 state[8]; + uint64 bitcount; + uint8 buffer[PG_SHA256_BLOCK_LENGTH]; +} pg_sha256_ctx; +typedef struct pg_sha512_ctx +{ + uint64 state[8]; + uint64 bitcount[2]; + uint8 buffer[PG_SHA512_BLOCK_LENGTH]; +} pg_sha512_ctx; +typedef struct pg_sha256_ctx pg_sha224_ctx; +typedef struct pg_sha512_ctx pg_sha384_ctx; +#endif /* USE_OPENSSL */ + +/* Interface routines for SHA224/256/384/512 */ +extern void pg_sha224_init(pg_sha224_ctx *ctx); +extern void pg_sha224_update(pg_sha224_ctx *ctx, const uint8 *input0, + size_t len); +extern void pg_sha224_final(pg_sha224_ctx *ctx, uint8 *dest); + +extern void pg_sha256_init(pg_sha256_ctx *ctx); +extern void pg_sha256_update(pg_sha256_ctx *ctx, const uint8 *input0, + size_t len); +extern void pg_sha256_final(pg_sha256_ctx *ctx, uint8 *dest); + +extern void pg_sha384_init(pg_sha384_ctx *ctx); +extern void pg_sha384_update(pg_sha384_ctx *ctx, + const uint8 *, size_t len); +extern void pg_sha384_final(pg_sha384_ctx *ctx, uint8 *dest); + +extern void pg_sha512_init(pg_sha512_ctx *ctx); +extern void pg_sha512_update(pg_sha512_ctx *ctx, const uint8 *input0, + size_t len); +extern void pg_sha512_final(pg_sha512_ctx *ctx, uint8 *dest); + +#endif /* _PG_SHA2_H_ */ |