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https://github.com/VCMP-SqMod/SqMod.git
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4a6bfc086c
Switched to POCO library for unified platform/library interface. Deprecated the external module API. It was creating more problems than solving. Removed most built-in libraries in favor of system libraries for easier maintenance. Cleaned and secured code with help from static analyzers.
96 lines
2.3 KiB
C++
96 lines
2.3 KiB
C++
//
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// MD5Engine.h
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//
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// Library: Foundation
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// Package: Crypt
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// Module: MD5Engine
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//
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// Definition of class MD5Engine.
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//
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// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
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// and Contributors.
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//
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// SPDX-License-Identifier: BSL-1.0
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//
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//
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// MD5 (RFC 1321) algorithm:
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// Copyright (C) 1991-2, RSA Data Security, Inc. Created 1991. All
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// rights reserved.
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//
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// License to copy and use this software is granted provided that it
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// is identified as the "RSA Data Security, Inc. MD5 Message-Digest
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// Algorithm" in all material mentioning or referencing this software
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// or this function.
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//
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// License is also granted to make and use derivative works provided
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// that such works are identified as "derived from the RSA Data
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// Security, Inc. MD5 Message-Digest Algorithm" in all material
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// mentioning or referencing the derived work.
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//
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// RSA Data Security, Inc. makes no representations concerning either
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// the merchantability of this software or the suitability of this
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// software for any particular purpose. It is provided "as is"
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// without express or implied warranty of any kind.
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//
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// These notices must be retained in any copies of any part of this
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// documentation and/or software.
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//
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#ifndef Foundation_MD5Engine_INCLUDED
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#define Foundation_MD5Engine_INCLUDED
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#include "Poco/Foundation.h"
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#include "Poco/DigestEngine.h"
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namespace Poco {
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class Foundation_API MD5Engine: public DigestEngine
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/// This class implements the MD5 message digest algorithm,
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/// described in RFC 1321.
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{
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public:
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enum
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{
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BLOCK_SIZE = 64,
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DIGEST_SIZE = 16
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};
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MD5Engine();
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~MD5Engine();
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std::size_t digestLength() const;
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void reset();
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const DigestEngine::Digest& digest();
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protected:
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void updateImpl(const void* data, std::size_t length);
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private:
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static void transform(UInt32 state[4], const unsigned char block[64]);
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static void encode(unsigned char* output, const UInt32* input, std::size_t len);
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static void decode(UInt32* output, const unsigned char* input, std::size_t len);
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struct Context
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{
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UInt32 state[4]; // state (ABCD)
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UInt32 count[2]; // number of bits, modulo 2^64 (lsb first)
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unsigned char buffer[64]; // input buffer
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};
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Context _context;
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DigestEngine::Digest _digest;
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MD5Engine(const MD5Engine&);
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MD5Engine& operator = (const MD5Engine&);
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};
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} // namespace Poco
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#endif // Foundation_MD5Engine_INCLUDED
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