1 files changed, 47 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/bc/BcSignerOutputStream.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/bc/BcSignerOutputStream.java
new file mode 100644
index 000000000..f4cdf62b9
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/operator/bc/BcSignerOutputStream.java
@@ -0,0 +1,47 @@
+package org.spongycastle.operator.bc;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.spongycastle.crypto.CryptoException;
+import org.spongycastle.crypto.Signer;
+
+public class BcSignerOutputStream
+    extends OutputStream
+{
+    private Signer sig;
+
+    BcSignerOutputStream(Signer sig)
+    {
+        this.sig = sig;
+    }
+
+    public void write(byte[] bytes, int off, int len)
+        throws IOException
+    {
+        sig.update(bytes, off, len);
+    }
+
+    public void write(byte[] bytes)
+        throws IOException
+    {
+        sig.update(bytes, 0, bytes.length);
+    }
+
+    public void write(int b)
+        throws IOException
+    {
+        sig.update((byte)b);
+    }
+
+    byte[] getSignature()
+        throws CryptoException
+    {
+        return sig.generateSignature();
+    }
+
+    boolean verify(byte[] expected)
+    {
+        return sig.verifySignature(expected);
+    }
+}
+\ No newline at end of file