You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
74 lines
2.8 KiB
74 lines
2.8 KiB
// Copyright (c) 2020, Oracle and/or its affiliates.
|
|
//
|
|
// This program is free software; you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License, version 2.0, as
|
|
// published by the Free Software Foundation.
|
|
//
|
|
// This program is also distributed with certain software (including
|
|
// but not limited to OpenSSL) that is licensed under separate terms,
|
|
// as designated in a particular file or component or in included license
|
|
// documentation. The authors of MySQL hereby grant you an
|
|
// additional permission to link the program and your derivative works
|
|
// with the separately licensed software that they have included with
|
|
// MySQL.
|
|
//
|
|
// Without limiting anything contained in the foregoing, this file,
|
|
// which is part of MySQL Connector/NET, is also subject to the
|
|
// Universal FOSS Exception, version 1.0, a copy of which can be found at
|
|
|
|
// http://oss.oracle.com/licenses/universal-foss-exception.
|
|
//
|
|
// 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, version 2.0, 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
|
|
|
|
using System.Security.Cryptography;
|
|
|
|
namespace MySql.Data.MySqlClient.Authentication
|
|
{
|
|
/// <summary>
|
|
/// The SCRAM-SHA-256 SASL mechanism.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// A salted challenge/response SASL mechanism that uses the HMAC SHA-256 algorithm.
|
|
/// </remarks>
|
|
internal class ScramSha256Mechanism : ScramBase
|
|
{
|
|
/// <summary>
|
|
/// Initializes a new instance of the <see cref="ScramSha256Mechanism"/> class.
|
|
/// </summary>
|
|
/// <remarks>
|
|
/// Creates a new SCRAM-SHA-256 SASL context.
|
|
/// </remarks>
|
|
/// <param name="username">The user name.</param>
|
|
/// <param name="password">The password.</param>
|
|
/// <param name="host">The host.</param>
|
|
internal ScramSha256Mechanism(string username, string password, string host) : base(username, password, host) { }
|
|
|
|
/// <summary>
|
|
/// Gets the name of the method.
|
|
/// </summary>
|
|
internal override string MechanismName
|
|
{
|
|
get { return "SCRAM-SHA-256"; }
|
|
}
|
|
|
|
protected override KeyedHashAlgorithm CreateHMAC(byte[] key)
|
|
{
|
|
return new HMACSHA256(key);
|
|
}
|
|
|
|
protected override byte[] Hash(byte[] str)
|
|
{
|
|
using (var sha256 = SHA256.Create())
|
|
{
|
|
return sha256.ComputeHash(str);
|
|
}
|
|
}
|
|
}
|
|
}
|