1 files changed, 104 insertions, 0 deletions
diff --git a/core/src/main/java/org/spongycastle/asn1/ocsp/ResponderID.java b/core/src/main/java/org/spongycastle/asn1/ocsp/ResponderID.java
new file mode 100644
index 00000000..d53eb7a3
--- /dev/null
+++ b/core/src/main/java/org/spongycastle/asn1/ocsp/ResponderID.java
@@ -0,0 +1,104 @@
+package org.spongycastle.asn1.ocsp;
+
+import org.spongycastle.asn1.ASN1Choice;
+import org.spongycastle.asn1.ASN1Encodable;
+import org.spongycastle.asn1.ASN1Object;
+import org.spongycastle.asn1.ASN1OctetString;
+import org.spongycastle.asn1.ASN1Primitive;
+import org.spongycastle.asn1.ASN1TaggedObject;
+import org.spongycastle.asn1.DEROctetString;
+import org.spongycastle.asn1.DERTaggedObject;
+import org.spongycastle.asn1.x500.X500Name;
+
+public class ResponderID
+    extends ASN1Object
+    implements ASN1Choice
+{
+    private ASN1Encodable    value;
+
+    public ResponderID(
+        ASN1OctetString    value)
+    {
+        this.value = value;
+    }
+
+    public ResponderID(
+        X500Name value)
+    {
+        this.value = value;
+    }
+
+    public static ResponderID getInstance(
+        Object  obj)
+    {
+        if (obj instanceof ResponderID)
+        {
+            return (ResponderID)obj;
+        }
+        else if (obj instanceof DEROctetString)
+        {
+            return new ResponderID((DEROctetString)obj);
+        }
+        else if (obj instanceof ASN1TaggedObject)
+        {
+            ASN1TaggedObject    o = (ASN1TaggedObject)obj;
+
+            if (o.getTagNo() == 1)
+            {
+                return new ResponderID(X500Name.getInstance(o, true));
+            }
+            else
+            {
+                return new ResponderID(ASN1OctetString.getInstance(o, true));
+            }
+        }
+
+        return new ResponderID(X500Name.getInstance(obj));
+    }
+
+    public static ResponderID getInstance(
+        ASN1TaggedObject obj,
+        boolean          explicit)
+    {
+        return getInstance(obj.getObject()); // must be explicitly tagged
+    }
+
+    public byte[] getKeyHash()
+    {
+        if (this.value instanceof ASN1OctetString)
+        {
+            ASN1OctetString octetString = (ASN1OctetString)this.value;
+            return octetString.getOctets();
+        }
+
+        return null;
+    }
+
+    public X500Name getName()
+    {
+        if (this.value instanceof ASN1OctetString)
+        {
+            return null;
+        }
+
+        return X500Name.getInstance(value);
+    }
+
+    /**
+     * Produce an object suitable for an ASN1OutputStream.
+     * <pre>
+     * ResponderID ::= CHOICE {
+     *      byName          [1] Name,
+     *      byKey           [2] KeyHash }
+     * </pre>
+     */
+    public ASN1Primitive toASN1Primitive()
+    {
+        if (value instanceof ASN1OctetString)
+        {
+            return new DERTaggedObject(true, 2, value);
+        }
+
+        return new DERTaggedObject(true, 1, value);
+    }
+}