sha1.h File Reference

#include <stdint.h>
#include <stdlib.h>

Go to the source code of this file.

Data Structures
struct	sha1_context_t

Functions
void	sha1_buffer (const void *buffer, size_t length, unsigned char digest[SHA1_DIGEST_LENGTH])
	Checksum a memory buffer. More...
int	sha1_file (const char *path, unsigned char digest[SHA1_DIGEST_LENGTH])
	Checksum a local file. More...
const char *	sha1_string (unsigned char digest[SHA1_DIGEST_LENGTH])
	Convert an SHA1 digest into a printable string. More...

Detailed Description

Routines for computing SHA1 checksums.

Function Documentation

sha1_buffer()

void sha1_buffer	(	const void *	buffer,
		size_t	length,
		unsigned char	digest[SHA1_DIGEST_LENGTH]
	)

Checksum a memory buffer.

Note that this function produces a digest in binary form which must be converted to a human readable form with sha1_string.

Parameters

buffer	Pointer to a memory buffer.
length	Length of the buffer in bytes.
digest	Pointer to a buffer to store the digest.

sha1_file()

int sha1_file	(	const char *	path,
		unsigned char	digest[SHA1_DIGEST_LENGTH]
	)

Checksum a local file.

Note that this function produces a digest in binary form which must be converted to a human readable form with sha1_string.

Parameters

path	Path to the file to checksum.
digest	Pointer to a buffer to store the digest.

Returns

One on success, zero on failure.

sha1_string()

const char* sha1_string

(

unsigned char

digest[SHA1_DIGEST_LENGTH]

)

Convert an SHA1 digest into a printable string.

Parameters

digest

A binary digest returned from sha1_file.

Returns

A static pointer to a human readable form of the digest.