1 files changed, 47 insertions, 0 deletions
diff --git a/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/digest/BCMessageDigest.java b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/digest/BCMessageDigest.java
new file mode 100644
index 000000000..56fb9f766
--- /dev/null
+++ b/libraries/spongycastle/prov/src/main/java/org/spongycastle/jcajce/provider/digest/BCMessageDigest.java
@@ -0,0 +1,47 @@
+package org.spongycastle.jcajce.provider.digest;
+
+import java.security.MessageDigest;
+
+import org.spongycastle.crypto.Digest;
+
+public class BCMessageDigest
+    extends MessageDigest
+{
+    protected Digest  digest;
+
+    protected BCMessageDigest(
+        Digest digest)
+    {
+        super(digest.getAlgorithmName());
+
+        this.digest = digest;
+    }
+
+    public void engineReset() 
+    {
+        digest.reset();
+    }
+
+    public void engineUpdate(
+        byte    input) 
+    {
+        digest.update(input);
+    }
+
+    public void engineUpdate(
+        byte[]  input,
+        int     offset,
+        int     len) 
+    {
+        digest.update(input, offset, len);
+    }
+
+    public byte[] engineDigest() 
+    {
+        byte[]  digestBytes = new byte[digest.getDigestSize()];
+
+        digest.doFinal(digestBytes, 0);
+
+        return digestBytes;
+    }
+}