From 9db949eec327df4173fde3de934a87bedb0db13c Mon Sep 17 00:00:00 2001 From: Bryan O'Sullivan Date: Mon, 2 Jun 2008 21:14:31 +0000 Subject: svn merge -r88066:88786 svn+ssh://svn.lindenlab.com/svn/linden/branches/cmake-9-merge dataserver-is-deprecated for-fucks-sake-whats-with-these-commit-markers --- indra/llcommon/llmd5.h | 133 +++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 133 insertions(+) create mode 100644 indra/llcommon/llmd5.h (limited to 'indra/llcommon/llmd5.h') diff --git a/indra/llcommon/llmd5.h b/indra/llcommon/llmd5.h new file mode 100644 index 0000000000..7dabbfeb0f --- /dev/null +++ b/indra/llcommon/llmd5.h @@ -0,0 +1,133 @@ +/** + * @file llmd5.h + * + * $LicenseInfo:firstyear=2001&license=viewergpl$ + * + * Copyright (c) 2001-2007, Linden Research, Inc. + * + * Second Life Viewer Source Code + * The source code in this file ("Source Code") is provided by Linden Lab + * to you under the terms of the GNU General Public License, version 2.0 + * ("GPL"), unless you have obtained a separate licensing agreement + * ("Other License"), formally executed by you and Linden Lab. Terms of + * the GPL can be found in doc/GPL-license.txt in this distribution, or + * online at http://secondlife.com/developers/opensource/gplv2 + * + * There are special exceptions to the terms and conditions of the GPL as + * it is applied to this Source Code. View the full text of the exception + * in the file doc/FLOSS-exception.txt in this software distribution, or + * online at http://secondlife.com/developers/opensource/flossexception + * + * By copying, modifying or distributing this software, you acknowledge + * that you have read and understood your obligations described above, + * and agree to abide by those obligations. + * + * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO + * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, + * COMPLETENESS OR PERFORMANCE. + * $/LicenseInfo$ + */ + +#ifndef LL_LLMD5_H +#define LL_LLMD5_H + +// LLMD5.CC - source code for the C++/object oriented translation and +// modification of MD5. + +// Translation and modification (c) 1995 by Mordechai T. Abzug + +// This translation/ modification is provided "as is," without express or +// implied warranty of any kind. + +// The translator/ modifier does not claim (1) that MD5 will do what you think +// it does; (2) that this translation/ modification is accurate; or (3) that +// this software is "merchantible." (Language for this disclaimer partially +// copied from the disclaimer below). + +/* based on: + + MD5.H - header file for MD5C.C + MDDRIVER.C - test driver for MD2, MD4 and MD5 + + Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All +rights reserved. + +License to copy and use this software is granted provided that it +is identified as the "RSA Data Security, Inc. MD5 Message-Digest +Algorithm" in all material mentioning or referencing this software +or this function. + +License is also granted to make and use derivative works provided +that such works are identified as "derived from the RSA Data +Security, Inc. MD5 Message-Digest Algorithm" in all material +mentioning or referencing the derived work. + +RSA Data Security, Inc. makes no representations concerning either +the merchantability of this software or the suitability of this +software for any particular purpose. It is provided "as is" +without express or implied warranty of any kind. + +These notices must be retained in any copies of any part of this +documentation and/or software. + +*/ + +// use for the raw digest output +const int MD5RAW_BYTES = 16; + +// use for outputting hex digests +const int MD5HEX_STR_SIZE = 33; // char hex[MD5HEX_STR_SIZE]; with null +const int MD5HEX_STR_BYTES = 32; // message system fixed size + +class LLMD5 { +// first, some types: + typedef unsigned int uint4; // assumes integer is 4 words long + typedef unsigned short int uint2; // assumes short integer is 2 words long + typedef unsigned char uint1; // assumes char is 1 word long + +// how many bytes to grab at a time when checking files + static const int BLOCK_LEN; + +public: +// methods for controlled operation: + LLMD5 (); // simple initializer + void update (const uint1 *input, const uint4 input_length); + void update (std::istream& stream); + void update (FILE *file); + void finalize (); + +// constructors for special circumstances. All these constructors finalize +// the MD5 context. + LLMD5 (const unsigned char *string); // digest string, finalize + LLMD5 (std::istream& stream); // digest stream, finalize + LLMD5 (FILE *file); // digest file, close, finalize + LLMD5 (const unsigned char *string, const unsigned int number); + +// methods to acquire finalized result + void raw_digest(unsigned char *array); // provide 16-byte array for binary data + void hex_digest(char *string); // provide 33-byte array for ascii-hex string + friend std::ostream& operator<< (std::ostream&, LLMD5 context); + + + +private: + + +// next, the private data: + uint4 state[4]; + uint4 count[2]; // number of *bits*, mod 2^64 + uint1 buffer[64]; // input buffer + uint1 digest[16]; + uint1 finalized; + +// last, the private methods, mostly static: + void init (); // called by all constructors + void transform (const uint1 *buffer); // does the real update work. Note + // that length is implied to be 64. + + static void encode (uint1 *dest, const uint4 *src, const uint4 length); + static void decode (uint4 *dest, const uint1 *src, const uint4 length); + +}; + +#endif // LL_LLMD5_H -- cgit v1.2.3