diff options
Diffstat (limited to 'indra/llcommon/llmd5.cpp')
| -rwxr-xr-x[-rw-r--r--] | indra/llcommon/llmd5.cpp | 88 |
1 files changed, 46 insertions, 42 deletions
diff --git a/indra/llcommon/llmd5.cpp b/indra/llcommon/llmd5.cpp index da9cb94e13..f942a976b7 100644..100755 --- a/indra/llcommon/llmd5.cpp +++ b/indra/llcommon/llmd5.cpp @@ -1,31 +1,25 @@ /** * @file llmd5.cpp * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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://secondlifegrid.net/programs/open_source/licensing/gplv2 + * Copyright (C) 2010, Linden Research, Inc. * - * 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://secondlifegrid.net/programs/open_source/licensing/flossexception + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * 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. + * This library 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 + * Lesser General Public License for more details. * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + * + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -82,7 +76,6 @@ documentation and/or software. #include "llmd5.h" -#include <cassert> #include <iostream> // cerr // how many bytes to grab at a time when checking files @@ -125,6 +118,12 @@ void LLMD5::update (const uint1 *input, const uint4 input_length) { buffer_space = 64 - buffer_index; // how much space is left in buffer + // now, transform each 64-byte piece of the input, bypassing the buffer + if (input == NULL || input_length == 0){ + std::cerr << "LLMD5::update: Invalid input!" << std::endl; + return; + } + // Transform as many times as possible. if (input_length >= buffer_space) { // ie. we have enough to fill the buffer // fill the rest of the buffer and transform @@ -134,12 +133,6 @@ void LLMD5::update (const uint1 *input, const uint4 input_length) { buffer_space); transform (buffer); - // now, transform each 64-byte piece of the input, bypassing the buffer - if (input == NULL || input_length == 0){ - std::cerr << "LLMD5::update: Invalid input!" << std::endl; - return; - } - for (input_index = buffer_space; input_index + 63 < input_length; input_index += 64) transform (input+input_index); @@ -171,11 +164,6 @@ void LLMD5::update(FILE* file){ } - - - - - // MD5 update for istreams. // Like update for files; see above. @@ -186,15 +174,16 @@ void LLMD5::update(std::istream& stream){ while (stream.good()){ stream.read( (char*)buffer, BLOCK_LEN); /* Flawfinder: ignore */ // note that return value of read is unusable. - len=stream.gcount(); + len=(int)stream.gcount(); update(buffer, len); } } - - - +void LLMD5::update(const std::string& s) +{ + update((unsigned char *)s.c_str(),s.length()); +} // MD5 finalization. Ends an MD5 message-digest operation, writing the // the message digest and zeroizing the context. @@ -277,7 +266,7 @@ LLMD5::LLMD5(const unsigned char *s) finalize(); } -void LLMD5::raw_digest(unsigned char *s) +void LLMD5::raw_digest(unsigned char *s) const { if (!finalized) { @@ -293,7 +282,7 @@ void LLMD5::raw_digest(unsigned char *s) -void LLMD5::hex_digest(char *s) +void LLMD5::hex_digest(char *s) const { int i; @@ -319,6 +308,7 @@ void LLMD5::hex_digest(char *s) + std::ostream& operator<<(std::ostream &stream, LLMD5 context) { char s[33]; /* Flawfinder: ignore */ @@ -327,13 +317,25 @@ std::ostream& operator<<(std::ostream &stream, LLMD5 context) return stream; } +bool operator==(const LLMD5& a, const LLMD5& b) +{ + unsigned char a_guts[16]; + unsigned char b_guts[16]; + a.raw_digest(a_guts); + b.raw_digest(b_guts); + if (memcmp(a_guts,b_guts,16)==0) + return true; + else + return false; +} - +bool operator!=(const LLMD5& a, const LLMD5& b) +{ + return !(a==b); +} // PRIVATE METHODS: - - void LLMD5::init(){ finalized=0; // we just started! @@ -531,3 +533,5 @@ void LLMD5::decode (uint4 *output, const uint1 *input, const uint4 len){ output[i] = ((uint4)input[j]) | (((uint4)input[j+1]) << 8) | (((uint4)input[j+2]) << 16) | (((uint4)input[j+3]) << 24); } + + |