src/lib/tls/msg_session_ticket.cpp


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/*
* Session Tickets
* (C) 2012 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/tls_messages.h>
#include <botan/internal/tls_reader.h>
#include <botan/internal/tls_handshake_io.h>
#include <botan/internal/tls_handshake_hash.h>
#include <botan/internal/loadstor.h>

namespace Botan::TLS {

New_Session_Ticket::New_Session_Ticket(Handshake_IO& io,
                                       Handshake_Hash& hash,
                                       const std::vector<uint8_t>& ticket,
                                       uint32_t lifetime) :
   m_ticket_lifetime_hint(lifetime),
   m_ticket(ticket)
   {
   hash.update(io.send(*this));
   }

New_Session_Ticket::New_Session_Ticket(Handshake_IO& io,
                                       Handshake_Hash& hash)
   {
   hash.update(io.send(*this));
   }

New_Session_Ticket::New_Session_Ticket(const std::vector<uint8_t>& buf)
   {
   if(buf.size() < 6)
      throw Decoding_Error("Session ticket message too short to be valid");

   TLS_Data_Reader reader("SessionTicket", buf);

   m_ticket_lifetime_hint = reader.get_uint32_t();
   m_ticket = reader.get_range<uint8_t>(2, 0, 65535);
   reader.assert_done();
   }

std::vector<uint8_t> New_Session_Ticket::serialize() const
   {
   std::vector<uint8_t> buf(4);
   store_be(m_ticket_lifetime_hint, buf.data());
   append_tls_length_value(buf, m_ticket, 2);
   return buf;
   }

}