/usr/include/CLucene/util/MD5Digester.h is in libclucene-dev 0.9.21b-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// MD5.cpp
// Implementation file for MD5 class
//
// This C++ Class implementation of the original RSA Data Security, Inc.
// MD5 Message-Digest Algorithm is copyright (c) 2002, Gary McNickle.
// All rights reserved. This software is a derivative of the "RSA Data
// Security, Inc. MD5 Message-Digest Algorithm"
//
// You may use this software free of any charge, but without any
// warranty or implied warranty, provided that you follow the terms
// of the original RSA copyright, listed below.
//
// Original RSA Data Security, Inc. Copyright notice
/////////////////////////////////////////////////////////////////////////
//
// 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.
/////////////////////////////////////////////////////////////////////////
/*------------------------------------------------------------------------------
* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team
*
* Distributable under the terms of either the Apache License (Version 2.0) or
* the GNU Lesser General Public License, as specified in the COPYING file.
------------------------------------------------------------------------------*/
#ifndef _lucene_util_MD5Digester_H
#define _lucene_util_MD5Digester_H
#if defined(_LUCENE_PRAGMA_ONCE)
# pragma once
#endif
CL_NS_DEF(util)
typedef unsigned short int uint2;
char* PrintMD5(uint8_t md5Digest[16]);
char* MD5String(char* szString);
char* MD5File(char* szFilename);
class md5
{
// Methods
public:
md5() { Init(); }
void Init();
void Update(uint8_t* chInput, uint32_t nInputLen);
void Finalize();
uint8_t* Digest() { return m_Digest; }
private:
void Transform(uint8_t* block);
void Encode(uint8_t* dest, uint32_t* src, uint32_t nLength);
void Decode(uint32_t* dest, uint8_t* src, uint32_t nLength);
inline uint32_t rotate_left(uint32_t x, uint32_t n)
{ return ((x << n) | (x >> (32-n))); }
inline uint32_t F(uint32_t x, uint32_t y, uint32_t z)
{ return ((x & y) | (~x & z)); }
inline uint32_t G(uint32_t x, uint32_t y, uint32_t z)
{ return ((x & z) | (y & ~z)); }
inline uint32_t H(uint32_t x, uint32_t y, uint32_t z)
{ return (x ^ y ^ z); }
inline uint32_t I(uint32_t x, uint32_t y, uint32_t z)
{ return (y ^ (x | ~z)); }
inline void FF(uint32_t& a, uint32_t b, uint32_t c, uint32_t d, uint32_t x, uint32_t s, uint32_t ac)
{ a += F(b, c, d) + x + ac; a = rotate_left(a, s); a += b; }
inline void GG(uint32_t& a, uint32_t b, uint32_t c, uint32_t d, uint32_t x, uint32_t s, uint32_t ac)
{ a += G(b, c, d) + x + ac; a = rotate_left(a, s); a += b; }
inline void HH(uint32_t& a, uint32_t b, uint32_t c, uint32_t d, uint32_t x, uint32_t s, uint32_t ac)
{ a += H(b, c, d) + x + ac; a = rotate_left(a, s); a += b; }
inline void II(uint32_t& a, uint32_t b, uint32_t c, uint32_t d, uint32_t x, uint32_t s, uint32_t ac)
{ a += I(b, c, d) + x + ac; a = rotate_left(a, s); a += b; }
// Data
private:
uint32_t m_State[4];
uint32_t m_Count[2];
uint8_t m_Buffer[64];
uint8_t m_Digest[16];
uint8_t m_Finalized;
};
CL_NS_END
#endif
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