Botan 2.19.1
Crypto and TLS for C&
msg_session_ticket.cpp
Go to the documentation of this file.
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
14namespace Botan {
15
16namespace 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
34New_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 reader.assert_done();
44 }
45
46std::vector<uint8_t> New_Session_Ticket::serialize() const
47 {
48 std::vector<uint8_t> buf(4);
49 store_be(m_ticket_lifetime_hint, buf.data());
50 append_tls_length_value(buf, m_ticket, 2);
51 return buf;
52 }
53
54}
55
56}
virtual std::vector< uint8_t > send(const Handshake_Message &msg)=0
New_Session_Ticket(Handshake_IO &io, Handshake_Hash &hash, const std::vector< uint8_t > &ticket, uint32_t lifetime)
std::vector< T > get_range(size_t len_bytes, size_t min_elems, size_t max_elems)
Definition: tls_reader.h:94
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
Definition: alg_id.cpp:13
void store_be(uint16_t in, uint8_t out[2])
Definition: loadstor.h:438
MechanismType hash