public override void HandleAu1Frame(MaslAu1Frame au1Frame)
{
if (au1Frame.EncryAlgorithm != EncryptionAlgorithm.TripleDES)
{
throw new SafetyFeatureNotSupportedException();
}
var expectedDir = MaslFrameDirection.Client2Server;
if (au1Frame.Direction != expectedDir)
{
throw new DirectionFlagException(expectedDir);
}
// 更新远程设备（主动方）类型。
this.Context.RsspEP.RemoteEquipType = au1Frame.DeviceType;
// 更新RandomB
this.Context.MacCalculator.RandomB = au1Frame.RandomB;
// 初始化Mac计算器。
this.Context.MacCalculator.UpdateSessionKeys();
// 设置下一个状态。
this.Context.CurrentState = new MaslWaitingforAu3State(this.Context);
// 启动握手计时器，等待AU3
this.Context.StartHandshakeTimer();
}
public byte[] BuildAu1Packet()
{
var frame = new MaslAu1Frame(_rsspEndPoint.LocalEquipType, _rsspEndPoint.LocalID,
EncryptionAlgorithm.TripleDES, _macCalc.RandomB);
return(frame.GetBytes());
}
public void Test1()
{
var randomB = new byte[] { 0x0F, 0x95, 0xEF, 0x4A, 0x66, 0x25, 0xA9, 0x0D };
var frame1 = new MaslAu1Frame(5, 0x8AC002, EncryptionAlgorithm.TripleDES, randomB);
var bytes = frame1.GetBytes();
var frame2 = new MaslAu1Frame();
frame2.ParseBytes(bytes, 0, bytes.Length);
Assert.AreEqual(frame1.ClientID, frame2.ClientID);
Assert.AreEqual(frame1.DeviceType, frame2.DeviceType);
Assert.AreEqual(frame1.Direction, frame2.Direction);
Assert.AreEqual(frame1.EncryAlgorithm, frame2.EncryAlgorithm);
Assert.AreEqual(frame1.FrameType, frame2.FrameType);
CollectionAssert.AreEqual(frame1.RandomB, frame2.RandomB);
}
public override void HandleAu1Frame(MaslAu1Frame frame)
{
throw new SequenceIntegrityException();
}
public override void HandleAu1Frame(MaslAu1Frame frame)
{
throw new NotArObtainedAfterAu3Exception();
}
public virtual void HandleAu1Frame(MaslAu1Frame frame)
{
LogUtility.Error(string.Format("{0}: {1}.{2} not implement!",
this.Context.RsspEP.ID, this.GetType().Name,
new StackFrame(0).GetMethod().Name.Split('.').Last()));
}
