1 /*
2 * Copyright (c) 2003, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.security.pkcs11;
27
28 import java.util.*;
29 import java.nio.ByteBuffer;
30
31 import java.security.*;
32
33 import javax.crypto.SecretKey;
34
35 import sun.nio.ch.DirectBuffer;
36
37 import sun.security.pkcs11.wrapper.*;
38 import static sun.security.pkcs11.wrapper.PKCS11Constants.*;
39
40 /**
41 * MessageDigest implementation class. This class currently supports
42 * MD2, MD5, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512.
43 *
44 * Note that many digest operations are on fairly small amounts of data
45 * (less than 100 bytes total). For example, the 2nd hashing in HMAC or
46 * the PRF in TLS. In order to speed those up, we use some buffering to
47 * minimize number of the Java->native transitions.
48 *
49 * @author Andreas Sterbenz
50 * @since 1.5
51 */
52 final class P11Digest extends MessageDigestSpi implements Cloneable {
53
54 /* fields initialized, no session acquired */
55 private final static int S_BLANK = 1;
56
57 /* data in buffer, session acquired, but digest not initialized */
58 private final static int S_BUFFERED = 2;
59
60 /* session initialized for digesting */
61 private final static int S_INIT = 3;
62
63 private final static int BUFFER_SIZE = 96;
64
65 // token instance
66 private final Token token;
67
68 // algorithm name
69 private final String algorithm;
70
71 // mechanism id object
72 private final CK_MECHANISM mechanism;
216 if ((bufOfs != 0) && (bufOfs + len > buffer.length)) {
217 // process the buffered data
218 token.p11.C_DigestUpdate(session.id(), 0, buffer, 0, bufOfs);
219 bufOfs = 0;
220 }
221 if (bufOfs + len > buffer.length) {
222 // process the new data
223 token.p11.C_DigestUpdate(session.id(), 0, in, ofs, len);
224 } else {
225 // buffer the new data
226 System.arraycopy(in, ofs, buffer, bufOfs, len);
227 bufOfs += len;
228 }
229 } catch (PKCS11Exception e) {
230 engineReset();
231 throw new ProviderException("update() failed", e);
232 }
233 }
234
235 // Called by SunJSSE via reflection during the SSL 3.0 handshake if
236 // the master secret is sensitive. We may want to consider making this
237 // method public in a future release.
238 protected void implUpdate(SecretKey key) throws InvalidKeyException {
239
240 // SunJSSE calls this method only if the key does not have a RAW
241 // encoding, i.e. if it is sensitive. Therefore, no point in calling
242 // SecretKeyFactory to try to convert it. Just verify it ourselves.
243 if (key instanceof P11Key == false) {
244 throw new InvalidKeyException("Not a P11Key: " + key);
245 }
246 P11Key p11Key = (P11Key)key;
247 if (p11Key.token != token) {
248 throw new InvalidKeyException("Not a P11Key of this provider: " +
249 key);
250 }
251
252 fetchSession();
253 try {
254 if (state == S_BUFFERED) {
255 token.p11.C_DigestInit(session.id(), mechanism);
256 state = S_INIT;
257 }
258
259 if (bufOfs != 0) {
|
1 /*
2 * Copyright (c) 2003, 2016, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package sun.security.pkcs11;
27
28 import java.util.*;
29 import java.nio.ByteBuffer;
30
31 import java.security.*;
32
33 import javax.crypto.SecretKey;
34
35 import sun.nio.ch.DirectBuffer;
36
37 import sun.security.util.MessageDigestSpi2;
38
39 import sun.security.pkcs11.wrapper.*;
40 import static sun.security.pkcs11.wrapper.PKCS11Constants.*;
41
42 /**
43 * MessageDigest implementation class. This class currently supports
44 * MD2, MD5, SHA-1, SHA-224, SHA-256, SHA-384, and SHA-512.
45 *
46 * Note that many digest operations are on fairly small amounts of data
47 * (less than 100 bytes total). For example, the 2nd hashing in HMAC or
48 * the PRF in TLS. In order to speed those up, we use some buffering to
49 * minimize number of the Java->native transitions.
50 *
51 * @author Andreas Sterbenz
52 * @since 1.5
53 */
54 final class P11Digest extends MessageDigestSpi implements Cloneable,
55 MessageDigestSpi2 {
56
57 /* fields initialized, no session acquired */
58 private final static int S_BLANK = 1;
59
60 /* data in buffer, session acquired, but digest not initialized */
61 private final static int S_BUFFERED = 2;
62
63 /* session initialized for digesting */
64 private final static int S_INIT = 3;
65
66 private final static int BUFFER_SIZE = 96;
67
68 // token instance
69 private final Token token;
70
71 // algorithm name
72 private final String algorithm;
73
74 // mechanism id object
75 private final CK_MECHANISM mechanism;
219 if ((bufOfs != 0) && (bufOfs + len > buffer.length)) {
220 // process the buffered data
221 token.p11.C_DigestUpdate(session.id(), 0, buffer, 0, bufOfs);
222 bufOfs = 0;
223 }
224 if (bufOfs + len > buffer.length) {
225 // process the new data
226 token.p11.C_DigestUpdate(session.id(), 0, in, ofs, len);
227 } else {
228 // buffer the new data
229 System.arraycopy(in, ofs, buffer, bufOfs, len);
230 bufOfs += len;
231 }
232 } catch (PKCS11Exception e) {
233 engineReset();
234 throw new ProviderException("update() failed", e);
235 }
236 }
237
238 // Called by SunJSSE via reflection during the SSL 3.0 handshake if
239 // the master secret is sensitive.
240 // Note: Change to protected after this method is moved from
241 // sun.security.util.MessageSpi2 interface to
242 // java.security.MessageDigestSpi class
243 public void engineUpdate(SecretKey key) throws InvalidKeyException {
244 // SunJSSE calls this method only if the key does not have a RAW
245 // encoding, i.e. if it is sensitive. Therefore, no point in calling
246 // SecretKeyFactory to try to convert it. Just verify it ourselves.
247 if (key instanceof P11Key == false) {
248 throw new InvalidKeyException("Not a P11Key: " + key);
249 }
250 P11Key p11Key = (P11Key)key;
251 if (p11Key.token != token) {
252 throw new InvalidKeyException("Not a P11Key of this provider: " +
253 key);
254 }
255
256 fetchSession();
257 try {
258 if (state == S_BUFFERED) {
259 token.p11.C_DigestInit(session.id(), mechanism);
260 state = S_INIT;
261 }
262
263 if (bufOfs != 0) {
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