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/*
* PKCS #5 v1.5 PBE
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#ifndef BOTAN_PBE_PKCS_V15_H__
#define BOTAN_PBE_PKCS_V15_H__
#include <botan/pbe.h>
#include <botan/block_cipher.h>
#include <botan/hash.h>
#include <botan/pipe.h>
#include <chrono>
namespace Botan {
/**
* PKCS #5 v1.5 PBE
*/
class BOTAN_DLL PBE_PKCS5v15 : public PBE
{
public:
OID get_oid() const;
std::vector<byte> encode_params() const;
std::string name() const;
void write(const byte[], size_t);
void start_msg();
void end_msg();
/**
* @param cipher the block cipher to use (DES or RC2)
* @param hash the hash function to use
* @param passphrase the passphrase to use
* @param msec how many milliseconds to run the PBKDF
* @param rng a random number generator
*/
PBE_PKCS5v15(BlockCipher* cipher,
HashFunction* hash,
const std::string& passphrase,
std::chrono::milliseconds msec,
RandomNumberGenerator& rng);
PBE_PKCS5v15(BlockCipher* cipher,
HashFunction* hash,
const std::vector<byte>& params,
const std::string& passphrase);
~PBE_PKCS5v15();
private:
void flush_pipe(bool);
Cipher_Dir m_direction;
BlockCipher* m_block_cipher;
HashFunction* m_hash_function;
secure_vector<byte> m_salt, m_key, m_iv;
size_t m_iterations;
Pipe m_pipe;
};
}
#endif
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