1 files changed, 27 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/crypto/macs/CMacWithIV.java b/core/src/main/java/org/spongycastle/crypto/macs/CMacWithIV.java
new file mode 100644
index 00000000..f4894a6e
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/crypto/macs/CMacWithIV.java
@@ -0,0 +1,27 @@
+package org.spongycastle.crypto.macs;
+
+import org.spongycastle.crypto.BlockCipher;
+import org.spongycastle.crypto.CipherParameters;
+
+/**
+ * A non-NIST variant which allows passing of an IV to the underlying CBC cipher.
+ * <p>Note: there isn't really a good reason to use an IV here, use the regular CMac where possible.</p>
+ */
+public class CMacWithIV
+    extends CMac
+{
+    public CMacWithIV(BlockCipher cipher)
+    {
+        super(cipher);
+    }
+
+    public CMacWithIV(BlockCipher cipher, int macSizeInBits)
+    {
+        super(cipher, macSizeInBits);
+    }
+
+    void validate(CipherParameters params)
+    {
+        // accept all
+    }
+}