| protected static GenerateWorkingKey ( bool encrypting, byte key ) : int[] | ||
| encrypting | bool | |
| key | byte | |
| Résultat | int[] | |
public override void Init(bool forEncryption, ICipherParameters parameters)
{
if (!(parameters is KeyParameter))
{
throw new ArgumentException("invalid parameter passed to DESede init - " + parameters.GetType().ToString());
}
byte[] key = ((KeyParameter)parameters).GetKey();
if (key.Length != 24 && key.Length != 16)
{
throw new ArgumentException("key size must be 16 or 24 bytes.");
}
this.forEncryption = forEncryption;
byte[] array = new byte[8];
Array.Copy(key, 0, array, 0, array.Length);
this.workingKey1 = DesEngine.GenerateWorkingKey(forEncryption, array);
byte[] array2 = new byte[8];
Array.Copy(key, 8, array2, 0, array2.Length);
this.workingKey2 = DesEngine.GenerateWorkingKey(!forEncryption, array2);
if (key.Length == 24)
{
byte[] array3 = new byte[8];
Array.Copy(key, 16, array3, 0, array3.Length);
this.workingKey3 = DesEngine.GenerateWorkingKey(forEncryption, array3);
return;
}
this.workingKey3 = this.workingKey1;
}
public override void Init(bool forEncryption, ICipherParameters parameters)
{
if (!(parameters is KeyParameter))
{
throw new ArgumentException("invalid parameter passed to DESede init - " + Platform.GetTypeName(parameters));
}
byte[] key = ((KeyParameter)parameters).GetKey();
if ((key.Length != 0x18) && (key.Length != 0x10))
{
throw new ArgumentException("key size must be 16 or 24 bytes.");
}
this.forEncryption = forEncryption;
byte[] destinationArray = new byte[8];
Array.Copy(key, 0, destinationArray, 0, destinationArray.Length);
this.workingKey1 = DesEngine.GenerateWorkingKey(forEncryption, destinationArray);
byte[] buffer3 = new byte[8];
Array.Copy(key, 8, buffer3, 0, buffer3.Length);
this.workingKey2 = DesEngine.GenerateWorkingKey(!forEncryption, buffer3);
if (key.Length == 0x18)
{
byte[] buffer4 = new byte[8];
Array.Copy(key, 0x10, buffer4, 0, buffer4.Length);
this.workingKey3 = DesEngine.GenerateWorkingKey(forEncryption, buffer4);
}
else
{
this.workingKey3 = this.workingKey1;
}
}
public override void Init(bool forEncryption, ICipherParameters parameters)
{
//IL_0018: Unknown result type (might be due to invalid IL or missing references)
//IL_003d: Unknown result type (might be due to invalid IL or missing references)
if (!(parameters is KeyParameter))
{
throw new ArgumentException("invalid parameter passed to DESede init - " + Platform.GetTypeName(parameters));
}
byte[] key = ((KeyParameter)parameters).GetKey();
if (key.Length != 24 && key.Length != 16)
{
throw new ArgumentException("key size must be 16 or 24 bytes.");
}
this.forEncryption = forEncryption;
byte[] array = new byte[8];
global::System.Array.Copy((global::System.Array)key, 0, (global::System.Array)array, 0, array.Length);
workingKey1 = DesEngine.GenerateWorkingKey(forEncryption, array);
byte[] array2 = new byte[8];
global::System.Array.Copy((global::System.Array)key, 8, (global::System.Array)array2, 0, array2.Length);
workingKey2 = DesEngine.GenerateWorkingKey(!forEncryption, array2);
if (key.Length == 24)
{
byte[] array3 = new byte[8];
global::System.Array.Copy((global::System.Array)key, 16, (global::System.Array)array3, 0, array3.Length);
workingKey3 = DesEngine.GenerateWorkingKey(forEncryption, array3);
}
else
{
workingKey3 = workingKey1;
}
}
public virtual void Init(bool forEncryption, ICipherParameters parameters)
{
if (!(parameters is KeyParameter))
{
throw new ArgumentException("invalid parameter passed to DES init - " + parameters.GetType().ToString());
}
this.workingKey = DesEngine.GenerateWorkingKey(forEncryption, ((KeyParameter)parameters).GetKey());
}