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/* Copyright (C) 2002, 2006 MySQL AB
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
/*
This is the header file for code which implements the Secure
Hashing Algorithm 1 as defined in FIPS PUB 180-1 published
April 17, 1995.
Many of the variable names in this code, especially the
single character names, were used because those were the names
used in the publication.
Please read the file sha1.c for more information.
Modified 2002 by Peter Zaitsev to better follow MySQL standards
*/
enum sha_result_codes
{
SHA_SUCCESS = 0,
SHA_NULL, /* Null pointer parameter */
SHA_INPUT_TOO_LONG, /* input data too long */
SHA_STATE_ERROR /* called Input after Result */
};
#define SHA1_HASH_SIZE 20 /* Hash size in bytes */
/*
This structure will hold context information for the SHA-1
hashing operation
*/
typedef struct SHA1_CONTEXT
{
uint64_t Length; /* Message length in bits */
uint32_t Intermediate_Hash[SHA1_HASH_SIZE/4]; /* Message Digest */
int Computed; /* Is the digest computed? */
int Corrupted; /* Is the message digest corrupted? */
int16_t Message_Block_Index; /* Index into message block array */
uint8_t Message_Block[64]; /* 512-bit message blocks */
} SHA1_CONTEXT;
/*
Function Prototypes
*/
C_MODE_START
int mysql_sha1_reset(SHA1_CONTEXT*);
int mysql_sha1_input(SHA1_CONTEXT*, const uint8_t *, unsigned int);
int mysql_sha1_result(SHA1_CONTEXT* , uint8_t Message_Digest[SHA1_HASH_SIZE]);
C_MODE_END
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