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/*
* OpenPGP PBKDF
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_OPENPGP_S2K_H__
#define BOTAN_OPENPGP_S2K_H__
#include <botan/pbkdf.h>
#include <botan/hash.h>
namespace Botan {
/**
* OpenPGP's S2K
*/
class BOTAN_DLL OpenPGP_S2K : public PBKDF
{
public:
/**
* @param hash_in the hash function to use
*/
OpenPGP_S2K(HashFunction* hash_in) : hash(hash_in) {}
~OpenPGP_S2K() { delete hash; }
std::string name() const
{
return "OpenPGP-S2K(" + hash->name() + ")";
}
PBKDF* clone() const
{
return new OpenPGP_S2K(hash->clone());
}
OctetString derive_key(size_t output_len,
const std::string& passphrase,
const byte salt[], size_t salt_len,
size_t iterations) const;
private:
HashFunction* hash;
};
}
#endif
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