/*
   Copyright (C) 2000-2007 MySQL AB
   Use is subject to license terms

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING. If not, write to the
   Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston,
   MA  02110-1335  USA.
*/

/* The handshake header declares function prototypes for creating and reading
 * the various handshake messages.
 */



#ifndef yaSSL_HANDSHAKE_HPP
#define yaSSL_HANDSHAKE_HPP

#include "yassl_types.hpp"


namespace yaSSL {

// forward decls
class  SSL;
class  Finished;
class  Data;
class  Alert;
struct Hashes;

enum BufferOutput { buffered, unbuffered };

void sendClientHello(SSL&);
void sendServerHello(SSL&, BufferOutput = buffered);
void sendServerHelloDone(SSL&, BufferOutput = buffered);
void sendClientKeyExchange(SSL&, BufferOutput = buffered);
void sendServerKeyExchange(SSL&, BufferOutput = buffered);
void sendChangeCipher(SSL&, BufferOutput = buffered);
void sendFinished(SSL&, ConnectionEnd, BufferOutput = buffered);
void sendCertificate(SSL&, BufferOutput = buffered);
void sendCertificateRequest(SSL&, BufferOutput = buffered);
void sendCertificateVerify(SSL&, BufferOutput = buffered);
int  sendData(SSL&, const void*, int);
int  sendAlert(SSL& ssl, const Alert& alert);

int  receiveData(SSL&, Data&, bool peek = false); 
void processReply(SSL&);

void buildFinished(SSL&, Finished&, const opaque*);
void build_certHashes(SSL&, Hashes&);

void hmac(SSL&, byte*, const byte*, uint, ContentType, bool verify = false);
void TLS_hmac(SSL&, byte*, const byte*, uint, ContentType,
              bool verify = false);
void PRF(byte* digest, uint digLen, const byte* secret, uint secLen,
         const byte* label, uint labLen, const byte* seed, uint seedLen);

} // naemspace

#endif // yaSSL_HANDSHAKE_HPP
