/*

* (C) 2022 Jack Lloyd

* (C) 2022 René Meusel - neXenio GmbH

* (C) 2022 Lukas Zeller - neXenio GmbH

*

* Botan is released under the Simplified BSD License (see license.txt)

*/

#include "fuzzers.h"

#include <botan/internal/tls_handshake_layer_13.h>

#include <botan/internal/tls_transcript_hash_13.h>

namespace {

Botan::TLS::Handshake_Layer prepare(const Botan::secure_vector<uint8_t>& data)

   {

   Botan::TLS::Handshake_Layer hl(Botan::TLS::Connection_Side::Client);

   hl.copy_data(data);

   return hl;

   }

}  // namespace;

void fuzz(const uint8_t in[], size_t len)

   {

   static Botan::TLS::Default_Policy policy;

   try

      {

      Botan::secure_vector<uint8_t> v(in, in + len);

      auto hl1 = prepare(v);

      Botan::TLS::Transcript_Hash_State ths("SHA-256");

      while (hl1.next_message(policy, ths).has_value()) {};

      auto hl2 = prepare(v);

      while (hl2.next_post_handshake_message(policy).has_value()) {};

      }

   catch(Botan::Exception& e) {}

   }