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/*
* KDF2
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_KDF2_H__
#define BOTAN_KDF2_H__
#include <botan/kdf.h>
#include <botan/hash.h>
namespace Botan {
/**
* KDF2, from IEEE 1363
*/
class BOTAN_DLL KDF2 : public KDF
{
public:
secure_vector<byte> derive(size_t, const byte[], size_t,
const byte[], size_t) const;
std::string name() const { return "KDF2(" + hash->name() + ")"; }
KDF* clone() const { return new KDF2(hash->clone()); }
KDF2(HashFunction* h) : hash(h) {}
KDF2(const KDF2& other) : KDF(), hash(other.hash->clone()) {}
~KDF2() { delete hash; }
private:
HashFunction* hash;
};
}
#endif
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