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/*************************************************
* DLIES Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_DLIES_H__
#define BOTAN_DLIES_H__
#include <botan/pubkey.h>
namespace Botan {
/*************************************************
* DLIES Encryption *
*************************************************/
class BOTAN_DLL DLIES_Encryptor : public PK_Encryptor
{
public:
DLIES_Encryptor(const PK_Key_Agreement_Key&,
const std::string& = "KDF2(SHA-160)",
const std::string& = "HMAC(SHA-160)", u32bit = 20);
void set_other_key(const MemoryRegion<byte>&);
private:
SecureVector<byte> enc(const byte[], u32bit,
RandomNumberGenerator&) const;
u32bit maximum_input_size() const;
const PK_Key_Agreement_Key& key;
SecureVector<byte> other_key;
const std::string kdf_algo;
const std::string mac_algo;
const u32bit MAC_KEYLEN;
};
/*************************************************
* DLIES Decryption *
*************************************************/
class BOTAN_DLL DLIES_Decryptor : public PK_Decryptor
{
public:
DLIES_Decryptor(const PK_Key_Agreement_Key&,
const std::string& = "KDF2(SHA-160)",
const std::string& = "HMAC(SHA-160)", u32bit = 20);
private:
SecureVector<byte> dec(const byte[], u32bit) const;
const PK_Key_Agreement_Key& key;
const std::string kdf_algo;
const std::string mac_algo;
const u32bit MAC_KEYLEN, PUBLIC_LEN;
};
}
#endif
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