Botan  2.4.0
Crypto and TLS for C++11
msg_session_ticket.cpp
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1 /*
2 * Session Tickets
3 * (C) 2012 Jack Lloyd
4 *
5 * Botan is released under the Simplified BSD License (see license.txt)
6 */
7 
8 #include <botan/tls_messages.h>
9 #include <botan/internal/tls_reader.h>
10 #include <botan/internal/tls_handshake_io.h>
11 #include <botan/internal/tls_handshake_hash.h>
12 #include <botan/loadstor.h>
13 
14 namespace Botan {
15 
16 namespace TLS {
17 
20  const std::vector<uint8_t>& ticket,
21  uint32_t lifetime) :
22  m_ticket_lifetime_hint(lifetime),
23  m_ticket(ticket)
24  {
25  hash.update(io.send(*this));
26  }
27 
30  {
31  hash.update(io.send(*this));
32  }
33 
34 New_Session_Ticket::New_Session_Ticket(const std::vector<uint8_t>& buf)
35  {
36  if(buf.size() < 6)
37  throw Decoding_Error("Session ticket message too short to be valid");
38 
39  TLS_Data_Reader reader("SessionTicket", buf);
40 
41  m_ticket_lifetime_hint = reader.get_uint32_t();
42  m_ticket = reader.get_range<uint8_t>(2, 0, 65535);
43  }
44 
45 std::vector<uint8_t> New_Session_Ticket::serialize() const
46  {
47  std::vector<uint8_t> buf(4);
48  store_be(m_ticket_lifetime_hint, buf.data());
49  append_tls_length_value(buf, m_ticket, 2);
50  return buf;
51  }
52 
53 }
54 
55 }
virtual std::vector< uint8_t > send(const Handshake_Message &msg)=0
void store_be(uint16_t in, uint8_t out[2])
Definition: loadstor.h:434
std::vector< T > get_range(size_t len_bytes, size_t min_elems, size_t max_elems)
Definition: tls_reader.h:94
void update(const uint8_t in[], size_t length)
Definition: alg_id.cpp:13
MechanismType hash
New_Session_Ticket(Handshake_IO &io, Handshake_Hash &hash, const std::vector< uint8_t > &ticket, uint32_t lifetime)
void append_tls_length_value(std::vector< uint8_t, Alloc > &buf, const T *vals, size_t vals_size, size_t tag_size)
Definition: tls_reader.h:185