1 files changed, 42 insertions, 0 deletions
diff --git a/pkix/src/main/java/org/spongycastle/cert/crmf/CRMFUtil.java b/pkix/src/main/java/org/spongycastle/cert/crmf/CRMFUtil.java
new file mode 100644
index 00000000..eb6771e6
--- /dev/null
+++ b/pkix/src/main/java/org/spongycastle/cert/crmf/CRMFUtil.java
@@ -0,0 +1,42 @@
+package org.spongycastle.cert.crmf;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+import org.spongycastle.asn1.ASN1Encodable;
+import org.spongycastle.asn1.ASN1ObjectIdentifier;
+import org.spongycastle.asn1.DEROutputStream;
+import org.spongycastle.asn1.x509.ExtensionsGenerator;
+import org.spongycastle.cert.CertIOException;
+
+class CRMFUtil
+{
+    static void derEncodeToStream(ASN1Encodable obj, OutputStream stream)
+    {
+        DEROutputStream dOut = new DEROutputStream(stream);
+
+        try
+        {
+            dOut.writeObject(obj);
+
+            dOut.close();
+        }
+        catch (IOException e)
+        {
+            throw new CRMFRuntimeException("unable to DER encode object: " + e.getMessage(), e);
+        }
+    }
+
+    static void addExtension(ExtensionsGenerator extGenerator, ASN1ObjectIdentifier oid, boolean isCritical, ASN1Encodable value)
+        throws CertIOException
+    {
+        try
+        {
+            extGenerator.addExtension(oid, isCritical, value);
+        }
+        catch (IOException e)
+        {
+            throw new CertIOException("cannot encode extension: " + e.getMessage(), e);
+        }
+    }
+}