/* This file is part of the KDE project Copyright (C) 2001 George Staikos <staikos@kde.org> Based heavily on SHA1 code from GPG 1.0.3 (C) 1998 FSF This library is free software; you can redistribute it and/or modify it under the terms of the GNU Library General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. 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 Library General Public License for more details. You should have received a copy of the GNU Library General Public License along with this library; see the file COPYING.LIB. If not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #ifndef __sha1__ko__h #define __sha1__ko__h /* @internal */ class SHA1 { public: SHA1(); virtual ~SHA1(); /* * The number of bits in the hash generated. */ virtual int size() const; /* * True if all settings are good and we are ready to hash. */ virtual bool readyToGo() const; /* * Process a block of data for the hash function. */ virtual int process(const void *block, int len); /* * Return the digest as a 20 byte array reference. * Calling this makes readyToGo() == false. */ virtual const unsigned char *hash(); /* * Reset the digest so a new one can be calculated. */ virtual int reset(); protected: int _hashlen; bool _init; long _h0, _h1, _h2, _h3, _h4; long _nblocks; int _count; unsigned char _buf[64]; void transform(void *data); }; #endif