/* Copyright (c) 2008-2012 Red Hat, Inc. This file is part of GlusterFS. This file is licensed to you under your choice of the GNU Lesser General Public License, version 3 or any later version (LGPLv3 or later), or the GNU General Public License, version 2 (GPLv2), in all cases as published by the Free Software Foundation. */ #include #include #include #include #include /* * The "weak" checksum required for the rsync algorithm. * * Note: these functions are only called to compute checksums on * pathnames; they don't need to handle arbitrarily long strings of * data. Thus int32_t and uint32_t are sufficient */ uint32_t gf_rsync_weak_checksum(unsigned char *buf, size_t len) { return adler32(0, buf, len); } /* * The "strong" checksum required for the rsync algorithm. */ void gf_rsync_strong_checksum(unsigned char *data, size_t len, unsigned char *sha256_md) { SHA256((const unsigned char *)data, len, sha256_md); } void gf_rsync_md5_checksum(unsigned char *data, size_t len, unsigned char *md5) { MD5(data, len, md5); }