yate/engine/Cipher.cpp

75 lines
1.6 KiB
C++

/**
* Cipher.cpp
* This file is part of the YATE Project http://YATE.null.ro
*
* Yet Another Telephony Engine - a fully featured software PBX and IVR
* Copyright (C) 2004-2014 Null Team
*
* This software is distributed under multiple licenses;
* see the COPYING file in the main directory for licensing
* information for this specific distribution.
*
* This use of this software may be subject to additional restrictions.
* See the LEGAL file in the main directory for details.
*
* 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.
*/
#include "yatengine.h"
using namespace TelEngine;
const TokenDict Cipher::s_directions[] =
{
{ "bidir", Cipher::Bidir },
{ "encrypt", Cipher::Encrypt },
{ "decrypt", Cipher::Decrypt },
{ 0, 0 }
};
Cipher::~Cipher()
{
}
void* Cipher::getObject(const String& name) const
{
if (name == YATOM("Cipher"))
return const_cast<Cipher*>(this);
return GenObject::getObject(name);
}
bool Cipher::valid(Direction dir) const
{
return true;
}
unsigned int Cipher::initVectorSize() const
{
return 0;
}
unsigned int Cipher::bufferSize(unsigned int len) const
{
unsigned int bSize = blockSize();
if (bSize <= 1)
return len;
return bSize * ((len + bSize - 1) / bSize);
}
bool Cipher::bufferFull(unsigned int len) const
{
unsigned int bSize = blockSize();
if (bSize <= 1)
return true;
return 0 == (len % bSize);
}
bool Cipher::initVector(const void* vect, unsigned int len, Direction dir)
{
return false;
}
/* vi: set ts=8 sw=4 sts=4 noet: */