1 files changed, 63 insertions, 0 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/ess/ContentIdentifier.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/ess/ContentIdentifier.java
new file mode 100644
index 000000000..7082a43a1
--- /dev/null
+++ b/libraries/spongycastle/core/src/main/java/org/spongycastle/asn1/ess/ContentIdentifier.java
@@ -0,0 +1,63 @@
+package org.spongycastle.asn1.ess;
+
+import org.spongycastle.asn1.ASN1Object;
+import org.spongycastle.asn1.ASN1OctetString;
+import org.spongycastle.asn1.ASN1Primitive;
+import org.spongycastle.asn1.DEROctetString;
+
+public class ContentIdentifier
+    extends ASN1Object
+{
+     ASN1OctetString value;
+
+    public static ContentIdentifier getInstance(Object o)
+    {
+        if (o instanceof ContentIdentifier)
+        {
+            return (ContentIdentifier) o;
+        }
+        else if (o != null)
+        {
+            return new ContentIdentifier(ASN1OctetString.getInstance(o));
+        }
+
+        return null;
+    }
+
+    /**
+     * Create from OCTET STRING whose octets represent the identifier.
+     */
+    private ContentIdentifier(
+        ASN1OctetString value)
+    {
+        this.value = value;
+    }
+
+    /**
+     * Create from byte array representing the identifier.
+     */
+    public ContentIdentifier(
+        byte[] value)
+    {
+        this(new DEROctetString(value));
+    }
+    
+    public ASN1OctetString getValue()
+    {
+        return value;
+    }
+
+    /**
+     * The definition of ContentIdentifier is
+     * <pre>
+     * ContentIdentifier ::=  OCTET STRING
+     * </pre>
+     * id-aa-contentIdentifier OBJECT IDENTIFIER ::= { iso(1)
+     *  member-body(2) us(840) rsadsi(113549) pkcs(1) pkcs9(9)
+     *  smime(16) id-aa(2) 7 }
+     */
+    public ASN1Primitive toASN1Primitive()
+    {
+        return value;
+    }
+}