mariadb/mysys_ssl/my_aes.cc

/* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.

 This program is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; version 2 of the License.

 This program is distributed in the hope that it will be useful,
 but WITHOUT ANY WARRANTY; without even the implied warranty of
 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 GNU General Public License for more details.

 You should have received a copy of the GNU General Public License
 along with this program; if not, write to the Free Software
 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA */

#include <my_global.h>
#include <m_string.h>
#include <my_aes.h>
#include <my_crypt.h>

/**
  Initialize encryption methods
*/

/**
  Get size of buffer which will be large enough for encrypted data

  SYNOPSIS
    my_aes_get_size()
    @param source_length  [in] Length of data to be encrypted

  @return
    Size of buffer required to store encrypted data
*/

int my_aes_get_size(int source_length)
{
  return MY_AES_BLOCK_SIZE * (source_length / MY_AES_BLOCK_SIZE)
    + MY_AES_BLOCK_SIZE;
}