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#if MYSQL_6_9
// Copyright © 2013, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most
// MySQL Connectors. There are special exceptions to the terms and
// conditions of the GPLv2 as it is applied to this software, see the
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// 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
//#define BOUNCY_CASTLE_INCLUDED
using System;
using System.Collections.Generic;
using System.IO;
using System.Security.Cryptography;
using System.Text;
using Externals.MySql.Data.Common;
using Externals.MySql.Data.MySqlClient.Properties;
namespace Externals.MySql.Data.MySqlClient.Authentication
{
/// <summary>
/// The implementation of the sha256_password authentication plugin.
/// </summary>
internal class Sha256AuthenticationPlugin : MySqlAuthenticationPlugin
{
private byte[] rawPubkey;
public override string PluginName
{
get { return "sha256_password"; }
}
protected override byte[] MoreData(byte[] data)
{
rawPubkey = data;
byte[] buffer = GetPassword() as byte[];
return buffer;
}
public override object GetPassword()
{
if (Settings.SslMode != MySqlSslMode.None)
{
// send as clear text, since the channel is already encrypted
byte[] passBytes = this.Encoding.GetBytes(Settings.Password);
byte[] buffer = new byte[passBytes.Length + 1];
Array.Copy(passBytes, 0, buffer, 0, passBytes.Length);
buffer[passBytes.Length] = 0;
return buffer;
}
else
{
throw new NotImplementedException( "You can use sha256 plugin only in SSL connections in this implementation." );
}
}
}
}
#endif