--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/com/trilead/ssh2/ServerHostKeyVerifier.java	Thu May 22 10:41:19 2014 -0700
@@ -0,0 +1,30 @@
+
+package com.trilead.ssh2;
+
+/**
+ * A callback interface used to implement a client specific method of checking
+ * server host keys.
+ *
+ * @author Christian Plattner, plattner@trilead.com
+ * @version $Id: ServerHostKeyVerifier.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $
+ */
+
+public interface ServerHostKeyVerifier {
+    /**
+     * The actual verifier method, it will be called by the key exchange code
+     * on EVERY key exchange - this can happen several times during the lifetime
+     * of a connection.
+     * <p>
+     * Note: SSH-2 servers are allowed to change their hostkey at ANY time.
+     *
+     * @param hostname the hostname used to create the {@link Connection} object
+     * @param port the remote TCP port
+     * @param serverHostKeyAlgorithm the public key algorithm (<code>ssh-rsa</code> or <code>ssh-dss</code>)
+     * @param serverHostKey the server's public key blob
+     * @return if the client wants to accept the server's host key - if not, the
+     *         connection will be closed.
+     * @throws Exception Will be wrapped with an IOException, extended version of returning false =)
+     */
+    public boolean verifyServerHostKey(String hostname, int port, String serverHostKeyAlgorithm, byte[] serverHostKey)
+    throws Exception;
+}