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68 lines
2.1 KiB
C
68 lines
2.1 KiB
C
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/* Copyright (C) 2000 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
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/*
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This is the header file for code which implements the Secure
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Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
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April 17, 1995.
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Many of the variable names in this code, especially the
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single character names, were used because those were the names
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used in the publication.
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Please read the file sha1.c for more information.
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Modified 2002 by Peter Zaitsev to better follow MySQL standards
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*/
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enum sha_result_codes
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{
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SHA_SUCCESS = 0,
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SHA_NULL, /* Null pointer parameter */
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SHA_INPUT_TOO_LONG, /* input data too long */
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SHA_STATE_ERROR /* called Input after Result */
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};
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#define SHA1_HASH_SIZE 20 /* Hash size in bytes */
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/*
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This structure will hold context information for the SHA-1
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hashing operation
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*/
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typedef struct SHA1_CONTEXT
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{
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ulonglong Length; /* Message length in bits */
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uint32 Intermediate_Hash[SHA1_HASH_SIZE/4]; /* Message Digest */
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int Computed; /* Is the digest computed? */
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int Corrupted; /* Is the message digest corrupted? */
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int16 Message_Block_Index; /* Index into message block array */
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uint8 Message_Block[64]; /* 512-bit message blocks */
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} SHA1_CONTEXT;
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/*
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Function Prototypes
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*/
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C_MODE_START
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int sha1_reset( SHA1_CONTEXT* );
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int sha1_input( SHA1_CONTEXT*, const uint8 *, unsigned int );
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int sha1_result( SHA1_CONTEXT* , uint8 Message_Digest[SHA1_HASH_SIZE] );
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C_MODE_END
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