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/*************************************************
* Algorithms List Source File *
* (C) 1999-2005 The Botan Project *
*************************************************/
#include <botan/lookup.h>
#include <botan/parsing.h>
#include <botan/mode_pad.h>
#include <botan/pkcs5.h>
namespace Botan {
namespace Algolist {
/*************************************************
* Attempt to get a string to key object *
*************************************************/
S2K* get_s2k(const std::string& algo_spec)
{
std::vector<std::string> name = parse_algorithm_name(algo_spec);
if(name.size() == 0)
return 0;
if(name.size() != 2)
throw Invalid_Algorithm_Name(algo_spec);
const std::string algo_name = deref_alias(name[0]);
if(algo_name == "PBKDF1") return new PKCS5_PBKDF1(name[1]);
if(algo_name == "PBKDF2") return new PKCS5_PBKDF2(name[1]);
return 0;
}
/*************************************************
* Attempt to get a block cipher padding method *
*************************************************/
BlockCipherModePaddingMethod* get_bc_pad(const std::string& algo_spec)
{
std::vector<std::string> name = parse_algorithm_name(algo_spec);
if(name.size() == 0)
return 0;
if(name.size() != 1)
throw Invalid_Algorithm_Name(algo_spec);
const std::string algo_name = deref_alias(name[0]);
if(algo_name == "PKCS7") return new PKCS7_Padding;
if(algo_name == "OneAndZeros") return new OneAndZeros_Padding;
if(algo_name == "X9.23") return new ANSI_X923_Padding;
if(algo_name == "NoPadding") return new Null_Padding;
return 0;
}
}
}
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