1 files changed, 24 insertions, 0 deletions
diff --git a/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/ZlibCompressor.java b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/ZlibCompressor.java
new file mode 100644
index 000000000..a4787f45f
--- /dev/null
+++ b/libraries/spongycastle/pkix/src/main/java/org/spongycastle/cms/jcajce/ZlibCompressor.java
@@ -0,0 +1,24 @@
+package org.spongycastle.cms.jcajce;
+
+import java.io.OutputStream;
+import java.util.zip.DeflaterOutputStream;
+
+import org.spongycastle.asn1.ASN1ObjectIdentifier;
+import org.spongycastle.asn1.x509.AlgorithmIdentifier;
+import org.spongycastle.operator.OutputCompressor;
+
+public class ZlibCompressor
+    implements OutputCompressor
+{
+    private static final String  ZLIB    = "1.2.840.113549.1.9.16.3.8";
+
+    public AlgorithmIdentifier getAlgorithmIdentifier()
+    {
+        return new AlgorithmIdentifier(new ASN1ObjectIdentifier(ZLIB));
+    }
+
+    public OutputStream getOutputStream(OutputStream comOut)
+    {
+        return new DeflaterOutputStream(comOut);
+    }
+}