1 /*
2 * Copyright (c) 2005, 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.mscapi;
27
28 import java.math.BigInteger;
29 import java.security.KeyException;
30 import java.security.KeyRep;
31 import java.security.ProviderException;
32
33 import sun.security.rsa.RSAPublicKeyImpl;
34
35 /**
36 * The handle for an RSA public key using the Microsoft Crypto API.
37 *
38 * @since 1.6
39 */
40 class RSAPublicKey extends Key implements java.security.interfaces.RSAPublicKey
41 {
42 private static final long serialVersionUID = -2289561342425825391L;
43
44 private byte[] publicKeyBlob = null;
45 private byte[] encoding = null;
46 private BigInteger modulus = null;
47 private BigInteger exponent = null;
48
49 /**
50 * Construct an RSAPublicKey object.
51 */
52 RSAPublicKey(long hCryptProv, long hCryptKey, int keyLength)
148 *
149 * @return the primary encoding format of the key.
150 */
151 public String getFormat()
152 {
153 return "X.509";
154 }
155
156 /**
157 * Returns the key in its primary encoding format, or null
158 * if this key does not support encoding.
159 *
160 * @return the encoded key, or null if the key does not support
161 * encoding.
162 */
163 public byte[] getEncoded()
164 {
165 if (encoding == null) {
166
167 try {
168 encoding = new RSAPublicKeyImpl(getModulus(),
169 getPublicExponent()).getEncoded();
170
171 } catch (KeyException e) {
172 // ignore
173 }
174 }
175 return encoding;
176 }
177
178 protected Object writeReplace() throws java.io.ObjectStreamException {
179 return new KeyRep(KeyRep.Type.PUBLIC,
180 getAlgorithm(),
181 getFormat(),
182 getEncoded());
183 }
184
185 /*
186 * Returns the Microsoft CryptoAPI representation of the key.
187 */
188 private native byte[] getPublicKeyBlob(long hCryptKey) throws KeyException;
189
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1 /*
2 * Copyright (c) 2005, 2018, 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.mscapi;
27
28 import java.math.BigInteger;
29 import java.security.KeyException;
30 import java.security.KeyRep;
31 import java.security.ProviderException;
32
33 import sun.security.rsa.RSAUtil.KeyType;
34 import sun.security.rsa.RSAPublicKeyImpl;
35
36 /**
37 * The handle for an RSA public key using the Microsoft Crypto API.
38 *
39 * @since 1.6
40 */
41 class RSAPublicKey extends Key implements java.security.interfaces.RSAPublicKey
42 {
43 private static final long serialVersionUID = -2289561342425825391L;
44
45 private byte[] publicKeyBlob = null;
46 private byte[] encoding = null;
47 private BigInteger modulus = null;
48 private BigInteger exponent = null;
49
50 /**
51 * Construct an RSAPublicKey object.
52 */
53 RSAPublicKey(long hCryptProv, long hCryptKey, int keyLength)
149 *
150 * @return the primary encoding format of the key.
151 */
152 public String getFormat()
153 {
154 return "X.509";
155 }
156
157 /**
158 * Returns the key in its primary encoding format, or null
159 * if this key does not support encoding.
160 *
161 * @return the encoded key, or null if the key does not support
162 * encoding.
163 */
164 public byte[] getEncoded()
165 {
166 if (encoding == null) {
167
168 try {
169 encoding = RSAPublicKeyImpl.newKey(KeyType.RSA, null,
170 getModulus(), getPublicExponent()).getEncoded();
171
172 } catch (KeyException e) {
173 // ignore
174 }
175 }
176 return encoding;
177 }
178
179 protected Object writeReplace() throws java.io.ObjectStreamException {
180 return new KeyRep(KeyRep.Type.PUBLIC,
181 getAlgorithm(),
182 getFormat(),
183 getEncoded());
184 }
185
186 /*
187 * Returns the Microsoft CryptoAPI representation of the key.
188 */
189 private native byte[] getPublicKeyBlob(long hCryptKey) throws KeyException;
190
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