diff options
Diffstat (limited to 'lib/src/main/java/com/trilead/ssh2/ServerHostKeyVerifier.java')
-rw-r--r-- | lib/src/main/java/com/trilead/ssh2/ServerHostKeyVerifier.java | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/src/main/java/com/trilead/ssh2/ServerHostKeyVerifier.java b/lib/src/main/java/com/trilead/ssh2/ServerHostKeyVerifier.java new file mode 100644 index 0000000..1c33454 --- /dev/null +++ b/lib/src/main/java/com/trilead/ssh2/ServerHostKeyVerifier.java @@ -0,0 +1,31 @@ +
+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;
+}
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