69 lines
2.0 KiB
Java
69 lines
2.0 KiB
Java
/* MyGenCookieCallback.java
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*
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* Copyright (C) 2006-2022 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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import java.io.*;
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import java.net.*;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import com.wolfssl.*;
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class MyGenCookieCallback implements WolfSSLGenCookieCallback
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{
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public int genCookieCallback(WolfSSLSession ssl, byte[] buf, int sz,
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Object ctx) {
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int port = 0;
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byte[] out = null;
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InetAddress hostAddr = null;
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MessageDigest digest = null;
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MyGenCookieCtx gctx = (MyGenCookieCtx) ctx;
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hostAddr = gctx.getAddress();
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port = gctx.getPort();
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if ( (hostAddr == null) || (port == 0))
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return WolfSSL.GEN_COOKIE_E;
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try {
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digest = MessageDigest.getInstance("SHA-1");
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digest.reset();
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digest.update(hostAddr.getHostAddress().getBytes());
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digest.update((byte)port);
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} catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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return WolfSSL.GEN_COOKIE_E;
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}
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out = new byte[digest.getDigestLength()];
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out = digest.digest();
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if (sz > digest.getDigestLength())
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sz = digest.getDigestLength();
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System.arraycopy(out, 0, buf, 0, sz);
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return buf.length;
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}
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}
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