diff -ru src/com/jcraft/jsch/HostKeyRepository.java.orig src/com/jcraft/jsch/HostKeyRepository.java
--- src/com/jcraft/jsch/HostKeyRepository.java.orig	2006-10-15 13:14:46.000000000 -0400
+++ src/com/jcraft/jsch/HostKeyRepository.java	2008-04-04 16:44:31.000000000 -0400
@@ -36,6 +36,7 @@
 
   int check(String host, byte[] key);
   void add(HostKey hostkey, UserInfo ui);
+  void add(String host, byte[] key, UserInfo ui);
   void remove(String host, String type);
   void remove(String host, String type, byte[] key);
   String getKnownHostsRepositoryID();
diff -ru src/com/jcraft/jsch/KnownHosts.java.orig src/com/jcraft/jsch/KnownHosts.java
--- src/com/jcraft/jsch/KnownHosts.java.orig	2006-10-15 14:02:31.000000000 -0400
+++ src/com/jcraft/jsch/KnownHosts.java	2008-04-04 16:46:41.000000000 -0400
@@ -205,6 +205,20 @@
     //System.err.println("fail!!");
     return result;
   }
+
+  public void add(String host, byte[] key, UserInfo userinfo)
+  {
+    try 
+    {
+       HostKey hostkey = new HostKey(host,key);
+       add(hostkey, userinfo);
+    }
+    catch (Exception e)
+    {
+      // this should't get called 
+    }
+  }
+
   public void add(HostKey hostkey, UserInfo userinfo){
     int type=hostkey.type;
     String host=hostkey.getHost();