From 9ad5c7b5e23b4940e7a3ea3ca3a6fb77e6a8fab0 Mon Sep 17 00:00:00 2001 From: tpearson Date: Wed, 20 Jan 2010 02:37:40 +0000 Subject: Updated to final KDE3 ktorrent release (2.2.6) git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/ktorrent@1077377 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- libktorrent/util/sha1hash.h | 148 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 148 insertions(+) create mode 100644 libktorrent/util/sha1hash.h (limited to 'libktorrent/util/sha1hash.h') diff --git a/libktorrent/util/sha1hash.h b/libktorrent/util/sha1hash.h new file mode 100644 index 0000000..a831d2d --- /dev/null +++ b/libktorrent/util/sha1hash.h @@ -0,0 +1,148 @@ +/*************************************************************************** + * Copyright (C) 2005 by Joris Guisson * + * joris.guisson@gmail.com * + * * + * This program is free software; you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation; either version 2 of the License, or * + * (at your option) any later version. * + * * + * This program 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 General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this program; if not, write to the * + * Free Software Foundation, Inc., * + * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * + ***************************************************************************/ +#ifndef BTSHA1HASH_H +#define BTSHA1HASH_H + +#include +#include "constants.h" + +class QString; + +namespace bt +{ + class Log; + + /** + * @author Joris Guisson + * @brief Stores a SHA1 hash + * + * This class keeps track of a SHA1 hash. A SHA1 hash is a 20 byte + * array of bytes. + */ + class SHA1Hash + { + protected: + Uint8 hash[20]; + public: + /** + * Constructor, sets every byte in the hash to 0. + */ + SHA1Hash(); + + /** + * Copy constructor. + * @param other Hash to copy + */ + SHA1Hash(const SHA1Hash & other); + + /** + * Directly set the hash data. + * @param h The hash data must be 20 bytes large + */ + SHA1Hash(const Uint8* h); + + /** + * Destructor. + */ + virtual ~SHA1Hash(); + + /// Get the idx'th byte of the hash. + Uint8 operator [] (const Uint32 idx) const {return idx < 20 ? hash[idx] : 0;} + + /** + * Assignment operator. + * @param other Hash to copy + */ + SHA1Hash & operator = (const SHA1Hash & other); + + /** + * Test wether another hash is equal to this one. + * @param other The other hash + * @return true if equal, false otherwise + */ + bool operator == (const SHA1Hash & other) const; + + /** + * Test wether another hash is not equal to this one. + * @param other The other hash + * @return true if not equal, false otherwise + */ + bool operator != (const SHA1Hash & other) const {return !operator ==(other);} + + /** + * Generate an SHA1 hash from a bunch of data. + * @param data The data + * @param len Size in bytes of data + * @return The generated SHA1 hash + */ + static SHA1Hash generate(const Uint8* data,Uint32 len); + + /** + * Convert the hash to a printable string. + * @return The string + */ + QString toString() const; + + /** + * Convert the hash to a string, usable in http get requests. + * @return The string + */ + QString toURLString() const; + + /** + * Directly get pointer to the data. + * @return The data + */ + const Uint8* getData() const {return hash;} + + /** + * Function to print a SHA1Hash to the Log. + * @param out The Log + * @param h The hash + * @return out + */ + friend Log & operator << (Log & out,const SHA1Hash & h); + + + /** + * XOR two SHA1Hashes + * @param a The first hash + * @param b The second + * @return a xor b + */ + friend SHA1Hash operator ^ (const SHA1Hash & a,const SHA1Hash & b); + + /** + * Function to compare 2 hashes + * @param a The first hash + * @param h The second hash + * @return wether a is smaller then b + */ + friend bool operator < (const SHA1Hash & a,const SHA1Hash & b); + + /** + * Convert the hash to a byte array. + */ + QByteArray toByteArray() const; + }; + +} + +#endif -- cgit v1.2.1