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/*
* PBKDF1
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_PBKDF1_H__
#define BOTAN_PBKDF1_H__
#include <botan/pbkdf.h>
#include <botan/hash.h>
namespace Botan {
/**
* PKCS #5 v1 PBKDF, aka PBKDF1
* Can only generate a key up to the size of the hash output.
* Unless needed for backwards compatability, use PKCS5_PBKDF2
*/
class BOTAN_DLL PKCS5_PBKDF1 : public PBKDF
{
public:
/**
* Create a PKCS #5 instance using the specified hash function.
* @param hash_in pointer to a hash function object to use
*/
PKCS5_PBKDF1(HashFunction* hash_in) : hash(hash_in) {}
/**
* Copy constructor
* @param other the object to copy
*/
PKCS5_PBKDF1(const PKCS5_PBKDF1& other) :
PBKDF(), hash(other.hash->clone()) {}
~PKCS5_PBKDF1() { delete hash; }
std::string name() const
{
return "PBKDF1(" + hash->name() + ")";
}
PBKDF* clone() const
{
return new PKCS5_PBKDF1(hash->clone());
}
OctetString derive_key(u32bit output_len,
const std::string& passphrase,
const byte salt[], u32bit salt_len,
u32bit iterations) const;
private:
HashFunction* hash;
};
}
#endif
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