jni/libucommon/sources/openssl/random.cpp

// Copyright (C) 2010 David Sugar, Tycho Softworks.
//
// This file is part of GNU uCommon C++.
//
// GNU uCommon C++ 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.
//
// GNU uCommon C++ 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 GNU uCommon C++.  If not, see <http://www.gnu.org/licenses/>.

#include "local.h"

void Random::seed(void)
{
    secure::init();
    RAND_poll();
}

bool Random::seed(const unsigned char *buf, size_t size)
{
    secure::init();

    RAND_seed(buf, size);
    return true;
}

size_t Random::key(unsigned char *buf, size_t size)
{
    secure::init();

    if(RAND_bytes(buf, size))
        return size;
    return 0;
}

size_t Random::fill(unsigned char *buf, size_t size)
{
    secure::init();

    if(RAND_pseudo_bytes(buf, size))
        return size;
    return 0;
}

bool Random::status(void)
{
    if(RAND_status())
        return true;

    return false;
}