C++ (Cpp) poly_double_supported_size Examples

Example #1

File: xts.cpp Project: mgierlings/botan

XTS_Mode::XTS_Mode(BlockCipher* cipher) : m_cipher(cipher)
   {
   if(poly_double_supported_size(m_cipher->block_size()) == false)
      {
      throw Invalid_Argument("Cannot use " + cipher->name() + " with XTS");
      }

   m_tweak_cipher.reset(m_cipher->clone());
   }

Example #2

File: cmac.cpp Project: Hackmanit/botan

/*
* CMAC Constructor
*/
CMAC::CMAC(BlockCipher* cipher) :
   m_cipher(cipher),
   m_block_size(m_cipher->block_size())
   {
   if(poly_double_supported_size(m_block_size) == false)
      {
      throw Invalid_Argument("CMAC cannot use the " +
                             std::to_string(m_block_size * 8) +
                             " bit cipher " + m_cipher->name());
      }

   m_state.resize(output_length());
   m_buffer.resize(output_length());
   m_B.resize(output_length());
   m_P.resize(output_length());
   m_position = 0;
   }