/*
* md5.h: Converting and comparing MD5 checksums
*
* ====================================================================
* Copyright (c) 2008 CollabNet. All rights reserved.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
* are also available at http://subversion.tigris.org/license-1.html.
* If newer versions of this license are posted there, you may use a
* newer version instead, at your option.
*
* This software consists of voluntary contributions made by many
* individuals. For exact contribution history, see the revision
* history and logs, available at http://subversion.tigris.org/.
* ====================================================================
*/
#ifndef SVN_LIBSVN_SUBR_MD5_H
#define SVN_LIBSVN_SUBR_MD5_H
#include <apr_pools.h>
#include "svn_types.h"
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/* The MD5 digest for the empty string. */
const unsigned char *
svn_md5__empty_string_digest(void);
/* Return the hex representation of DIGEST, which must be
* APR_MD5_DIGESTSIZE bytes long, allocating the string in POOL.
*/
const char *
svn_md5__digest_to_cstring_display(const unsigned char digest[],
apr_pool_t *pool);
/* Return the hex representation of DIGEST, which must be
* APR_MD5_DIGESTSIZE bytes long, allocating the string in POOL.
* If DIGEST is all zeros, then return NULL.
*/
const char *
svn_md5__digest_to_cstring(const unsigned char digest[],
apr_pool_t *pool);
/** Compare digests D1 and D2, each APR_MD5_DIGESTSIZE bytes long.
* If neither is all zeros, and they do not match, then return FALSE;
* else return TRUE.
*/
svn_boolean_t
svn_md5__digests_match(const unsigned char d1[],
const unsigned char d2[]);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* SVN_LIBSVN_SUBR_MD5_H */