/* * 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 */