1 files changed, 40 insertions, 0 deletions
diff --git a/crypto/src/crypto/parameters/TweakableBlockCipherParameters.cs b/crypto/src/crypto/parameters/TweakableBlockCipherParameters.cs
new file mode 100644
index 000000000..f75726600
--- /dev/null
+++ b/crypto/src/crypto/parameters/TweakableBlockCipherParameters.cs
@@ -0,0 +1,40 @@
+using System;
+using Org.BouncyCastle.Utilities;
+
+namespace Org.BouncyCastle.Crypto.Parameters
+{
+
+ /// <summary>
+ /// Parameters for tweakable block ciphers.
+ /// </summary>
+ public class TweakableBlockCipherParameters
+ : ICipherParameters
+ {
+ private readonly byte[] tweak;
+ private readonly KeyParameter key;
+
+ public TweakableBlockCipherParameters(KeyParameter key, byte[] tweak)
+ {
+ this.key = key;
+ this.tweak = Arrays.Clone(tweak);
+ }
+
+ /// <summary>
+ /// Gets the key.
+ /// </summary>
+ /// <value>the key to use, or <code>null</code> to use the current key.</value>
+ public KeyParameter Key
+ {
+ get { return key; }
+ }
+
+ /// <summary>
+ /// Gets the tweak value.
+ /// </summary>
+ /// <value>The tweak to use, or <code>null</code> to use the current tweak.</value>
+ public byte[] Tweak
+ {
+ get { return tweak; }
+ }
+ }
+}
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