/*

* TLS Handshake Hash

* (C) 2004-2006,2011,2012 Jack Lloyd

*

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

*/

#include <botan/internal/tls_handshake_hash.h>

#include <botan/hash.h>

namespace Botan {

namespace TLS {

/**

* Return a TLS Handshake Hash

*/

secure_vector<uint8_t> Handshake_Hash::final(Protocol_Version version,

                                          const std::string& mac_algo) const

   {

   std::string hash_algo = mac_algo;

   if(!version.supports_ciphersuite_specific_prf())

      hash_algo = "Parallel(MD5,SHA-160)";

   else if(mac_algo == "MD5" || mac_algo == "SHA-1")

      hash_algo = "SHA-256";

   std::unique_ptr<HashFunction> hash(HashFunction::create_or_throw(hash_algo));

   hash->update(m_data);

   return hash->final();

   }

}

}