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annotate app/src/main/java/ch/ethz/ssh2/ServerHostKeyVerifier.java @ 509:2eb4fa13b9ef

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update 5250 encryption to allow TLS1.3, remove old SSLv2 and SSLv3 methods
author Carl Byington <carl@five-ten-sg.com>
date Sun, 29 Jan 2023 10:25:21 -0700
parents d29cce60f393
children
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1 /*
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2 * Copyright (c) 2006-2011 Christian Plattner. All rights reserved.
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3 * Please refer to the LICENSE.txt for licensing details.
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4 */
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5 package ch.ethz.ssh2;
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6
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7 /**
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8 * A callback interface used to implement a client specific method of checking
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9 * server host keys.
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10 *
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11 * @author Christian Plattner
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12 * @version 2.50, 03/15/10
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13 */
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14
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15 public interface ServerHostKeyVerifier {
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16 /**
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17 * The actual verifier method, it will be called by the key exchange code
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18 * on EVERY key exchange - this can happen several times during the lifetime
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19 * of a connection.
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20 * <p>
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21 * Note: SSH-2 servers are allowed to change their hostkey at ANY time.
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22 *
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23 * @param hostname the hostname used to create the {@link Connection} object
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24 * @param port the remote TCP port
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25 * @param serverHostKeyAlgorithm the public key algorithm (<code>ssh-rsa</code> or <code>ssh-dss</code>)
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26 * @param serverHostKey the server's public key blob
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27 * @return if the client wants to accept the server's host key - if not, the
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28 * connection will be closed.
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29 * @throws Exception Will be wrapped with an IOException, extended version of returning false =)
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30 */
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31 public boolean verifyServerHostKey(String hostname, int port, String serverHostKeyAlgorithm, byte[] serverHostKey)
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32 throws Exception;
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33 }