diff options
Diffstat (limited to 'contrib/pgcrypto/sha2.h')
| -rw-r--r-- | contrib/pgcrypto/sha2.h | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/contrib/pgcrypto/sha2.h b/contrib/pgcrypto/sha2.h new file mode 100644 index 0000000000..2dfb13ceb1 --- /dev/null +++ b/contrib/pgcrypto/sha2.h @@ -0,0 +1,80 @@ +/* $PostgreSQL: pgsql/contrib/pgcrypto/sha2.h,v 1.1 2005/07/10 13:46:29 momjian Exp $ */ +/* $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 _SHA2_H +#define _SHA2_H + + +/*** SHA-256/384/512 Various Length Definitions ***********************/ +#define SHA256_BLOCK_LENGTH 64 +#define SHA256_DIGEST_LENGTH 32 +#define SHA256_DIGEST_STRING_LENGTH (SHA256_DIGEST_LENGTH * 2 + 1) +#define SHA384_BLOCK_LENGTH 128 +#define SHA384_DIGEST_LENGTH 48 +#define SHA384_DIGEST_STRING_LENGTH (SHA384_DIGEST_LENGTH * 2 + 1) +#define SHA512_BLOCK_LENGTH 128 +#define SHA512_DIGEST_LENGTH 64 +#define SHA512_DIGEST_STRING_LENGTH (SHA512_DIGEST_LENGTH * 2 + 1) + + +/*** SHA-256/384/512 Context Structures *******************************/ +typedef struct _SHA256_CTX { + uint32 state[8]; + uint64 bitcount; + uint8 buffer[SHA256_BLOCK_LENGTH]; +} SHA256_CTX; +typedef struct _SHA512_CTX { + uint64 state[8]; + uint64 bitcount[2]; + uint8 buffer[SHA512_BLOCK_LENGTH]; +} SHA512_CTX; + +typedef SHA512_CTX SHA384_CTX; + +void SHA256_Init(SHA256_CTX *); +void SHA256_Update(SHA256_CTX *, const uint8 *, size_t); +void SHA256_Final(uint8[SHA256_DIGEST_LENGTH], SHA256_CTX *); + +void SHA384_Init(SHA384_CTX *); +void SHA384_Update(SHA384_CTX *, const uint8 *, size_t); +void SHA384_Final(uint8[SHA384_DIGEST_LENGTH], SHA384_CTX *); + +void SHA512_Init(SHA512_CTX *); +void SHA512_Update(SHA512_CTX *, const uint8 *, size_t); +void SHA512_Final(uint8[SHA512_DIGEST_LENGTH], SHA512_CTX *); + +#endif /* _SHA2_H */ |