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/*************************************************
* Stream Cipher Lookup *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#include <botan/def_eng.h>
#include <botan/scan_name.h>
#if defined(BOTAN_HAS_ARC4)
#include <botan/arc4.h>
#endif
#if defined(BOTAN_HAS_SALSA20)
#include <botan/salsa20.h>
#endif
#if defined(BOTAN_HAS_TURING)
#include <botan/turing.h>
#endif
#if defined(BOTAN_HAS_WID_WAKE)
#include <botan/wid_wake.h>
#endif
namespace Botan {
/*************************************************
* Look for an algorithm with this name *
*************************************************/
StreamCipher*
Default_Engine::find_stream_cipher(const std::string& algo_spec) const
{
SCAN_Name request(algo_spec);
#if defined(BOTAN_HAS_ARC4)
if(request.algo_name() == "ARC4")
return new ARC4(request.argument_as_u32bit(0, 0));
if(request.algo_name() == "RC4_drop")
return new ARC4(768);
#endif
#if defined(BOTAN_HAS_SALSA20)
if(request.algo_name() == "Salsa20")
return new Salsa20;
#endif
#if defined(BOTAN_HAS_TURING)
if(request.algo_name() == "Turing")
return new Turing;
#endif
#if defined(BOTAN_HAS_WID_WAKE)
if(request.algo_name() == "WiderWake4+1-BE")
return new WiderWake_41_BE;
#endif
return 0;
}
/*************************************************
* Look for an algorithm with this name *
*************************************************/
BlockCipherModePaddingMethod*
Default_Engine::find_bc_pad(const std::string& algo_spec) const
{
SCAN_Name request(algo_spec);
#if defined(BOTAN_HAS_CIPHER_MODE_PADDING)
if(request.algo_name() == "PKCS7")
return new PKCS7_Padding;
if(request.algo_name() == "OneAndZeros")
return new OneAndZeros_Padding;
if(request.algo_name() == "X9.23")
return new ANSI_X923_Padding;
if(request.algo_name() == "NoPadding")
return new Null_Padding;
#endif
return 0;
}
}
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