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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_handshake_reader.h>
#include <botan/internal/tls_session_key.h>
#include <botan/pk_keys.h>
#include <botan/pubkey.h>
#include <functional>
#include <utility>
namespace Botan {
class KDF;
namespace TLS {
class Policy;
/**
* SSL/TLS Handshake State
*/
class Handshake_State
{
public:
Handshake_State(Handshake_Reader* reader);
~Handshake_State();
Handshake_State(const Handshake_State&) = delete;
Handshake_State& operator=(const Handshake_State&) = delete;
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);
const std::vector<byte>& session_ticket() const;
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,
const Policy& policy);
std::string srp_identifier() const;
KDF* protocol_specific_prf();
Protocol_Version version() const { return m_version; }
void set_version(const 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 New_Session_Ticket* new_session_ticket;
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;
/*
* Only used by clients for session resumption
*/
secure_vector<byte> resume_master_secret;
/*
*
*/
bool allow_session_resumption;
/**
* Used by client using NPN
*/
std::function<std::string (std::vector<std::string>)> client_npn_cb;
Handshake_Reader* handshake_reader() { return m_handshake_reader; }
private:
Handshake_Reader* m_handshake_reader;
u32bit hand_expecting_mask, hand_received_mask;
Protocol_Version m_version;
};
}
}
#endif
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