mirror of
https://github.com/servalproject/serval-dna.git
synced 2024-12-21 06:03:12 +00:00
82 lines
2.0 KiB
C
82 lines
2.0 KiB
C
|
/*
|
||
|
|
* 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_
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
#if defined(__OpenBSD__) || defined( __FreeBSD__)
|
||
|
|
#include <inttypes.h>
|
||
|
|
#else
|
||
|
|
#include <stdint.h>
|
||
|
|
#endif
|
||
|
|
|
||
|
|
/*
|
||
|
|
* If you do not have the ISO standard stdint.h header file, then you
|
||
|
|
* must typdef the following:
|
||
|
|
* name meaning
|
||
|
|
* uint32_t unsigned 32 bit integer
|
||
|
|
* uint8_t unsigned 8 bit integer (i.e., unsigned char)
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#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 SHA1HashSize 20
|
||
|
|
|
||
|
|
/*
|
||
|
|
* This structure will hold context information for the SHA-1
|
||
|
|
* hashing operation
|
||
|
|
*/
|
||
|
|
typedef struct SHA1Context
|
||
|
|
{
|
||
|
|
uint32_t Intermediate_Hash[SHA1HashSize/4]; /* Message Digest */
|
||
|
|
|
||
|
|
uint32_t Length_Low; /* Message length in bits */
|
||
|
|
uint32_t Length_High; /* Message length in bits */
|
||
|
|
|
||
|
|
/* Index into message block array */
|
||
|
|
uint32_t Message_Block_Index; /* 8 bits actually suffice */
|
||
|
|
uint8_t Message_Block[64]; /* 512-bit message blocks */
|
||
|
|
|
||
|
|
int Computed; /* Is the digest computed? */
|
||
|
|
int Corrupted; /* Is the message digest corrupted? */
|
||
|
|
} SHA1Context;
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Function Prototypes
|
||
|
|
*/
|
||
|
|
|
||
|
|
|
||
|
|
int SHA1Reset( SHA1Context *);
|
||
|
|
int SHA1Input( SHA1Context *,
|
||
|
|
const uint8_t *,
|
||
|
|
unsigned int);
|
||
|
|
int SHA1Result( SHA1Context *,
|
||
|
|
uint8_t Message_Digest[SHA1HashSize]);
|
||
|
|
|
||
|
|
#endif
|