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/*
* TLS Handshake State
* (C) 2004-2006 Jack Lloyd
*
* Released under the terms of the Botan license
*/
#ifndef BOTAN_TLS_HANDSHAKE_STATE_H__
#define BOTAN_TLS_HANDSHAKE_STATE_H__
#include <botan/internal/tls_handshake_hash.h>
#include <botan/internal/tls_session_key.h>
#include <botan/secqueue.h>
#include <botan/pk_keys.h>
#include <botan/pubkey.h>
#include <utility>
#if defined(BOTAN_USE_STD_TR1)
#if defined(BOTAN_BUILD_COMPILER_IS_MSVC)
#include <functional>
#else
#include <tr1/functional>
#endif
#elif defined(BOTAN_USE_BOOST_TR1)
#include <boost/tr1/functional.hpp>
#else
#error "No TR1 library defined for use"
#endif
namespace Botan {
class KDF;
namespace TLS {
/**
* SSL/TLS Handshake State
*/
class Handshake_State
{
public:
Handshake_State();
~Handshake_State();
bool received_handshake_msg(Handshake_Type handshake_msg) const;
void confirm_transition_to(Handshake_Type handshake_msg);
void set_expected_next(Handshake_Type handshake_msg);
std::pair<std::string, Signature_Format>
understand_sig_format(const Public_Key* key,
std::string hash_algo,
std::string sig_algo,
bool for_client_auth);
std::pair<std::string, Signature_Format>
choose_sig_format(const Private_Key* key,
std::string& hash_algo,
std::string& sig_algo,
bool for_client_auth);
KDF* protocol_specific_prf();
Protocol_Version version;
class Client_Hello* client_hello;
class Server_Hello* server_hello;
class Certificate* server_certs;
class Server_Key_Exchange* server_kex;
class Certificate_Req* cert_req;
class Server_Hello_Done* server_hello_done;
class Certificate* client_certs;
class Client_Key_Exchange* client_kex;
class Certificate_Verify* client_verify;
class Next_Protocol* next_protocol;
class Finished* client_finished;
class Finished* server_finished;
// Used by the server only, in case of RSA key exchange
Private_Key* server_rsa_kex_key;
Ciphersuite suite;
Session_Keys keys;
Handshake_Hash hash;
SecureQueue queue;
/*
* Only used by clients for session resumption
*/
SecureVector<byte> resume_master_secret;
/**
* Used by client using NPN
*/
std::tr1::function<std::string (std::vector<std::string>)> client_npn_cb;
private:
u32bit hand_expecting_mask, hand_received_mask;
};
}
}
#endif
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