diff -r fbd3585af53e -r 0ff0059f2ec3 src/net/java/otr4j/io/messages/SignatureX.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/net/java/otr4j/io/messages/SignatureX.java	Sun Dec 05 18:43:51 2010 +0100
@@ -0,0 +1,67 @@
+/*
+ * otr4j, the open source java otr library.
+ *
+ * Distributable under LGPL license.
+ * See terms of license at gnu.org.
+ */
+package net.java.otr4j.io.messages;
+
+import java.security.PublicKey;
+import java.util.Arrays;
+
+/**
+ * 
+ * @author George Politis
+ */
+public class SignatureX {
+	// Fields.
+	public PublicKey longTermPublicKey;
+	public int dhKeyID;
+	public byte[] signature;
+
+	// Ctor.
+	public SignatureX(PublicKey ourLongTermPublicKey, int ourKeyID,
+			byte[] signature) {
+		this.longTermPublicKey = ourLongTermPublicKey;
+		this.dhKeyID = ourKeyID;
+		this.signature = signature;
+	}
+
+	// Methods.
+	@Override
+	public int hashCode() {
+		// TODO: Needs work.
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + dhKeyID;
+		result = prime
+				* result
+				+ ((longTermPublicKey == null) ? 0 : longTermPublicKey
+						.hashCode());
+		result = prime * result + Arrays.hashCode(signature);
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		// TODO: Needs work.
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		SignatureX other = (SignatureX) obj;
+		if (dhKeyID != other.dhKeyID)
+			return false;
+		if (longTermPublicKey == null) {
+			if (other.longTermPublicKey != null)
+				return false;
+		} else if (!longTermPublicKey.equals(other.longTermPublicKey))
+			return false;
+		if (!Arrays.equals(signature, other.signature))
+			return false;
+		return true;
+	}
+
+}