mirror of
https://github.com/libretro/scummvm.git
synced 2024-12-15 06:08:35 +00:00
60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
/* ScummVM - Graphic Adventure Engine
|
|
*
|
|
* ScummVM is the legal property of its developers, whose names
|
|
* are too numerous to list here. Please refer to the COPYRIGHT
|
|
* file distributed with this source distribution.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
*/
|
|
|
|
#ifndef COMMON_MD5_H
|
|
#define COMMON_MD5_H
|
|
|
|
#include "common/scummsys.h"
|
|
|
|
namespace Common {
|
|
|
|
class ReadStream;
|
|
class String;
|
|
|
|
/**
|
|
* Compute the MD5 checksum of the content of the given ReadStream.
|
|
* The 128 bit MD5 checksum is returned directly in the array digest.
|
|
* If length is set to a positive value, then only the first length
|
|
* bytes of the stream are used to compute the checksum.
|
|
* @param[in] stream the stream of whose data the MD5 is computed
|
|
* @param[out] digest the computed MD5 checksum
|
|
* @param[in] length the number of bytes for which to compute the checksum; 0 means all
|
|
* @return true on success, false if an error occurred
|
|
*/
|
|
bool computeStreamMD5(ReadStream &stream, uint8 digest[16], uint32 length = 0);
|
|
|
|
/**
|
|
* Compute the MD5 checksum of the content of the given ReadStream.
|
|
* The 128 bit MD5 checksum is converted to a human readable
|
|
* lowercase hex string of length 32.
|
|
* If length is set to a positive value, then only the first length
|
|
* bytes of the stream are used to compute the checksum.
|
|
* @param[in] stream the stream of whose data the MD5 is computed
|
|
* @param[in] length the number of bytes for which to compute the checksum; 0 means all
|
|
* @return the MD5 as a hex string on success, and an empty string if an error occurred
|
|
*/
|
|
String computeStreamMD5AsString(ReadStream &stream, uint32 length = 0);
|
|
|
|
} // End of namespace Common
|
|
|
|
#endif
|