/*
* This file is part of Codecrypt.
*
* Codecrypt is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or (at
* your option) any later version.
*
* Codecrypt 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 Lesser General Public
* License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with Codecrypt. If not, see .
*/
#ifndef _ccr_sc_h_
#define _ccr_sc_h_
#include "types.h"
#include
#include
class streamcipher
{
public:
virtual void init() = 0;
virtual void clear() = 0;
virtual void load_key (const byte*begin, const byte*end) = 0;
virtual byte gen() = 0;
virtual void gen (size_t n, byte*out) = 0;
//advisory values for effective usage
virtual size_t key_size() = 0;
virtual size_t block_size() = 0;
void discard (size_t n) {
gen (n, 0);
}
void load_key_vector (const std::vector&K) {
load_key (& (K[0]), & (K[K.size()]) );
}
};
#endif