1 files changed, 18 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMMultiplier.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMMultiplier.java
new file mode 100644
index 000000000..33866a9a4
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/crypto/modes/gcm/BasicGCMMultiplier.java
@@ -0,0 +1,18 @@
+package org.spongycastle.crypto.modes.gcm;
+
+import org.spongycastle.util.Arrays;
+
+public class BasicGCMMultiplier implements GCMMultiplier
+{
+    private byte[] H;
+
+    public void init(byte[] H)
+    {
+        this.H = Arrays.clone(H);
+    }
+
+    public void multiplyH(byte[] x)
+    {
+        GCMUtil.multiply(x, H);
+    }
+}