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Diffstat (limited to 'lib/crypto/MD5Digest.cpp')
| -rw-r--r-- | lib/crypto/MD5Digest.cpp | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/lib/crypto/MD5Digest.cpp b/lib/crypto/MD5Digest.cpp new file mode 100644 index 00000000..6464182d --- /dev/null +++ b/lib/crypto/MD5Digest.cpp @@ -0,0 +1,120 @@ +// distribution boxbackup-0.10 (svn version: 494) +// +// Copyright (c) 2003 - 2006 +// Ben Summers and contributors. All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions +// are met: +// 1. Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// 2. Redistributions in binary form must reproduce the above copyright +// notice, this list of conditions and the following disclaimer in the +// documentation and/or other materials provided with the distribution. +// 3. All use of this software and associated advertising materials must +// display the following acknowledgment: +// This product includes software developed by Ben Summers. +// 4. The names of the Authors may not be used to endorse or promote +// products derived from this software without specific prior written +// permission. +// +// [Where legally impermissible the Authors do not disclaim liability for +// direct physical injury or death caused solely by defects in the software +// unless it is modified by a third party.] +// +// THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR +// IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +// DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, +// INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR +// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) +// HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, +// STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +// POSSIBILITY OF SUCH DAMAGE. +// +// +// +// -------------------------------------------------------------------------- +// +// File +// Name: MD5Digest.cpp +// Purpose: Simple interface for creating MD5 digests +// Created: 8/12/03 +// +// -------------------------------------------------------------------------- + + +#include "Box.h" + +#include "MD5Digest.h" + +#include "MemLeakFindOn.h" + + +MD5Digest::MD5Digest() +{ + MD5_Init(&md5); + for(unsigned int l = 0; l < sizeof(mDigest); ++l) + { + mDigest[l] = 0; + } +} + +MD5Digest::~MD5Digest() +{ +} + +void MD5Digest::Add(const std::string &rString) +{ + MD5_Update(&md5, rString.c_str(), rString.size()); +} + +void MD5Digest::Add(const void *pData, int Length) +{ + MD5_Update(&md5, pData, Length); +} + +void MD5Digest::Finish() +{ + MD5_Final(mDigest, &md5); +} + +std::string MD5Digest::DigestAsString() +{ + std::string r; + + static const char *hex = "0123456789abcdef"; + + for(unsigned int l = 0; l < sizeof(mDigest); ++l) + { + r += hex[(mDigest[l] & 0xf0) >> 4]; + r += hex[(mDigest[l] & 0x0f)]; + } + + return r; +} + +int MD5Digest::CopyDigestTo(uint8_t *to) +{ + for(int l = 0; l < MD5_DIGEST_LENGTH; ++l) + { + to[l] = mDigest[l]; + } + + return MD5_DIGEST_LENGTH; +} + + +bool MD5Digest::DigestMatches(uint8_t *pCompareWith) const +{ + for(int l = 0; l < MD5_DIGEST_LENGTH; ++l) + { + if(pCompareWith[l] != mDigest[l]) + return false; + } + + return true; +} + |