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diff --git a/jdk/src/windows/classes/sun/security/mscapi/RSAKeyPairGenerator.java b/jdk/src/windows/classes/sun/security/mscapi/RSAKeyPairGenerator.java
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+/*
+ * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package sun.security.mscapi;
+
+import java.util.UUID;
+import java.security.*;
+import java.security.spec.AlgorithmParameterSpec;
+import java.security.spec.RSAKeyGenParameterSpec;
+
+import sun.security.jca.JCAUtil;
+
+/**
+ * RSA keypair generator.
+ *
+ * Standard algorithm, minimum key length is 512 bit, maximum is 16,384.
+ * Generates a private key that is exportable.
+ *
+ * @since 1.6
+ */
+public final class RSAKeyPairGenerator extends KeyPairGeneratorSpi {
+
+ // Supported by Microsoft Base, Strong and Enhanced Cryptographic Providers
+ private static final int KEY_SIZE_MIN = 512; // disallow MSCAPI min. of 384
+ private static final int KEY_SIZE_MAX = 16384;
+ private static final int KEY_SIZE_DEFAULT = 1024;
+
+ // size of the key to generate, KEY_SIZE_MIN <= keySize <= KEY_SIZE_MAX
+ private int keySize;
+
+ public RSAKeyPairGenerator() {
+ // initialize to default in case the app does not call initialize()
+ initialize(KEY_SIZE_DEFAULT, null);
+ }
+
+ // initialize the generator. See JCA doc
+ // random is always ignored
+ public void initialize(int keySize, SecureRandom random) {
+
+ checkKeySize(keySize);
+ }
+
+ // second initialize method. See JCA doc
+ // random and exponent are always ignored
+ public void initialize(AlgorithmParameterSpec params, SecureRandom random)
+ throws InvalidAlgorithmParameterException {
+
+ if (params == null) {
+ checkKeySize(KEY_SIZE_DEFAULT);
+
+ } else if (params instanceof RSAKeyGenParameterSpec) {
+
+ if (((RSAKeyGenParameterSpec) params).getPublicExponent() != null) {
+ throw new InvalidAlgorithmParameterException
+ ("Exponent parameter is not supported");
+ }
+ checkKeySize(((RSAKeyGenParameterSpec) params).getKeysize());
+
+ } else {
+ throw new InvalidAlgorithmParameterException
+ ("Params must be an instance of RSAKeyGenParameterSpec");
+ }
+ }
+
+ // generate the keypair. See JCA doc
+ public KeyPair generateKeyPair() {
+
+ // Generate each keypair in a unique key container
+ RSAKeyPair keys =
+ generateRSAKeyPair(keySize,
+ "{" + UUID.randomUUID().toString() + "}");
+
+ return new KeyPair(keys.getPublic(), keys.getPrivate());
+ }
+
+ private void checkKeySize(int keySize) throws InvalidParameterException {
+ if (keySize < KEY_SIZE_MIN) {
+ throw new InvalidParameterException
+ ("Key size must be at least " + KEY_SIZE_MIN + " bits");
+ }
+ if (keySize > KEY_SIZE_MAX) {
+ throw new InvalidParameterException
+ ("Key size must be " + KEY_SIZE_MAX + " bits or less");
+ }
+ this.keySize = keySize;
+ }
+
+ private static native RSAKeyPair generateRSAKeyPair(int keySize,
+ String keyContainerName);
+}