src/jdk.crypto.mscapi/windows/classes/sun/security/mscapi/RSAKeyPairGenerator.java
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.crypto.mscapi/windows/classes/sun/security/mscapi/RSAKeyPairGenerator.java Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2005, 2016, Oracle and/or its affiliates. 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. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.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.rsa.RSAKeyFactory;
+
+/**
+ * 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
+ static final int KEY_SIZE_MIN = 512; // disallow MSCAPI min. of 384
+ static final int KEY_SIZE_MAX = 16384;
+ private static final int KEY_SIZE_DEFAULT = 2048;
+
+ // 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) {
+
+ try {
+ RSAKeyFactory.checkKeyLengths(keySize, null,
+ KEY_SIZE_MIN, KEY_SIZE_MAX);
+ } catch (InvalidKeyException e) {
+ throw new InvalidParameterException(e.getMessage());
+ }
+
+ this.keySize = keySize;
+ }
+
+ // second initialize method. See JCA doc
+ // random and exponent are always ignored
+ public void initialize(AlgorithmParameterSpec params, SecureRandom random)
+ throws InvalidAlgorithmParameterException {
+
+ int tmpSize;
+ if (params == null) {
+ tmpSize = KEY_SIZE_DEFAULT;
+ } else if (params instanceof RSAKeyGenParameterSpec) {
+
+ if (((RSAKeyGenParameterSpec) params).getPublicExponent() != null) {
+ throw new InvalidAlgorithmParameterException
+ ("Exponent parameter is not supported");
+ }
+ tmpSize = ((RSAKeyGenParameterSpec) params).getKeysize();
+
+ } else {
+ throw new InvalidAlgorithmParameterException
+ ("Params must be an instance of RSAKeyGenParameterSpec");
+ }
+
+ try {
+ RSAKeyFactory.checkKeyLengths(tmpSize, null,
+ KEY_SIZE_MIN, KEY_SIZE_MAX);
+ } catch (InvalidKeyException e) {
+ throw new InvalidAlgorithmParameterException(
+ "Invalid Key sizes", e);
+ }
+
+ this.keySize = tmpSize;
+ }
+
+ // generate the keypair. See JCA doc
+ public KeyPair generateKeyPair() {
+
+ try {
+
+ // Generate each keypair in a unique key container
+ RSAKeyPair keys =
+ generateRSAKeyPair(keySize,
+ "{" + UUID.randomUUID().toString() + "}");
+
+ return new KeyPair(keys.getPublic(), keys.getPrivate());
+
+ } catch (KeyException e) {
+ throw new ProviderException(e);
+ }
+ }
+
+ private static native RSAKeyPair generateRSAKeyPair(int keySize,
+ String keyContainerName) throws KeyException;
+}