01: /*
02: *
03: *
04: * Copyright 1990-2007 Sun Microsystems, Inc. All Rights Reserved.
05: * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
06: *
07: * This program is free software; you can redistribute it and/or
08: * modify it under the terms of the GNU General Public License version
09: * 2 only, as published by the Free Software Foundation.
10: *
11: * This program is distributed in the hope that it will be useful, but
12: * WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * General Public License version 2 for more details (a copy is
15: * included at /legal/license.txt).
16: *
17: * You should have received a copy of the GNU General Public License
18: * version 2 along with this work; if not, write to the Free Software
19: * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
20: * 02110-1301 USA
21: *
22: * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
23: * Clara, CA 95054 or visit www.sun.com if you need additional
24: * information or have any questions.
25: */
26: package com.sun.kvem.jsr082.obex;
27:
28: // J2ME security classes
29: import com.sun.midp.crypto.MessageDigest;
30: import com.sun.midp.crypto.GeneralSecurityException;
31: import com.sun.midp.crypto.DigestException;
32:
33: // cldc API classes
34: import java.io.IOException;
35:
36: /**
37: * The platform dependent class which provides a wrapper for
38: * security API in J2ME or J2SE.
39: */
40: final class SSLWrapper {
41: private MessageDigest md5;
42:
43: SSLWrapper() throws IOException {
44: try {
45: md5 = MessageDigest.getInstance("MD5");
46: } catch (GeneralSecurityException e) {
47: throw new IOException(e.getMessage());
48: }
49: }
50:
51: void update(byte[] input, int offset, int length) {
52: md5.update(input, offset, length);
53: }
54:
55: void doFinal(byte[] srcData, int srcOff, int srcLen,
56: byte[] dstData, int dstOff) {
57:
58: if (srcLen != 0) {
59: md5.update(srcData, srcOff, srcLen);
60: }
61:
62: try {
63: md5.digest(dstData, dstOff, dstData.length - dstOff);
64: } catch (DigestException e) {
65: // Buffer too short
66: throw new RuntimeException("output buffer too short");
67: }
68: }
69: } // end of class 'SSLWrapper' definition
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