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/*************************************************
* PKCS #5 v2.0 PBE Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_PBE_PKCS_v20_H__
#define BOTAN_PBE_PKCS_v20_H__
#include <botan/pbe.h>
#include <botan/block_cipher.h>
#include <botan/hash.h>
#include <botan/pipe.h>
namespace Botan {
/*************************************************
* PKCS#5 v2.0 PBE *
*************************************************/
class BOTAN_DLL PBE_PKCS5v20 : public PBE
{
public:
static bool known_cipher(const std::string&);
void write(const byte[], u32bit);
void start_msg();
void end_msg();
PBE_PKCS5v20(DataSource&);
PBE_PKCS5v20(BlockCipher*, HashFunction*);
private:
void set_key(const std::string&);
void new_params(RandomNumberGenerator& rng);
MemoryVector<byte> encode_params() const;
void decode_params(DataSource&);
OID get_oid() const;
void flush_pipe(bool);
Cipher_Dir direction;
BlockCipher* block_cipher;
HashFunction* hash_function;
SecureVector<byte> salt, key, iv;
u32bit iterations, key_length;
Pipe pipe;
};
}
#endif
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