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/*
* SHA1 hashing code copied from Lepton's crack <http://usuarios.lycos.es/reinob/>
*
* Adapted to be API-compatible with the previous (GPL-incompatible) code.
*/
/*
* sha1.h
*
* Description:
* 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.
*
*/
#ifndef _SHA1_H_
#define _SHA1_H_
#include <stdint.h>
#include <gmodule.h>
#ifndef _SHA_enum_
#define _SHA_enum_
enum {
shaSuccess = 0,
shaNull, /* Null pointer parameter */
shaInputTooLong, /* input data too long */
shaStateError /* called Input after Result */
};
#endif
#define sha1_hash_size 20
/*
* This structure will hold context information for the SHA-1
* hashing operation
*/
typedef struct SHA1Context {
uint32_t Intermediate_Hash[sha1_hash_size/4]; /* Message Digest */
uint32_t Length_Low; /* Message length in bits */
uint32_t Length_High; /* Message length in bits */
/* Index into message block array */
int_least16_t Message_Block_Index;
uint8_t Message_Block[64]; /* 512-bit message blocks */
int Computed; /* Is the digest computed? */
int Corrupted; /* Is the message digest corrupted? */
} sha1_state_t;
/*
* Function Prototypes
*/
G_MODULE_EXPORT int sha1_init(sha1_state_t *);
G_MODULE_EXPORT int sha1_append(sha1_state_t *, const uint8_t *, unsigned int);
G_MODULE_EXPORT int sha1_finish(sha1_state_t *, uint8_t Message_Digest[sha1_hash_size]);
#endif
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