diff --git a/src/PublisherPublicKeyDigest.js b/src/PublisherPublicKeyDigest.js
new file mode 100644
index 0000000..3d3987a
--- /dev/null
+++ b/src/PublisherPublicKeyDigest.js
@@ -0,0 +1,38 @@
+
+var PublisherID = require('./PublisherID').PublisherID;
+var CCNProtocolDTags = require('./CCNProtocolDTags').CCNProtocolDTags;
+
+var PublisherPublicKeyDigest = function PublisherPublicKeyDigest(_pkd){ 
+	
+ 	 if( typeof _pkd == "ByteArray") this.PublisherPublicKeyDigest = _pkd; // Byte Array
+ 	 else if( typeof _pkd == "PublicKey") ;//TODO...
+    
+};
+
+exports.PublisherPublicKeyDigest = PublisherPublicKeyDigest;
+
+
+PublisherPublicKeyDigest.prototype.decode = function( decoder) {		
+
+		this.PublisherPublicKeyDigest = decoder.readBinaryElement(this.getElementLabel());
+		if (null == this.PublisherPublicKeyDigest) {
+			throw new Exception("Cannot parse publisher key digest.");
+		}
+		if (this.PublisherPublicKeyDigest.length != PublisherID.PUBLISHER_ID_LEN) {
+			
+			this.PublisherPublicKeyDigest = new PublisherPublicKeyDigest(this.PublisherPublicKeyDigest).PublisherKeyDigest;
+		}
+	};
+
+PublisherPublicKeyDigest.prototype.encode= function( encoder) {
+		if (!this.validate()) {
+			throw new Exception("Cannot encode : field values missing.");
+		}
+		this.encoder.writeElement(this.getElementLabel(), this.PublisherKeyDigest);
+};
+	
+PublisherPublicKeyDigest.prototype.getElementLabel = function() { return CCNProtocolDTags.PublisherPublicKeyDigest; };
+
+PublisherPublicKeyDigest.prototype.validate =function() {
+		return (null != this.PublisherKeyDigest);
+};