test/jdk/sun/security/mscapi/RSAEncryptDecrypt.java
changeset 47216 71c04702a3d5
parent 5506 202f599c92aa
child 49548 8bdf2b5f472d
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/test/jdk/sun/security/mscapi/RSAEncryptDecrypt.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2006, 2007, 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.
+ *
+ * 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.
+ */
+
+
+/**
+ * @see RSAEncryptDecrypt.sh
+ */
+
+import javax.crypto.Cipher;
+import java.security.GeneralSecurityException;
+import java.security.KeyPairGenerator;
+import java.security.KeyPair;
+import java.security.Key;
+
+public class RSAEncryptDecrypt {
+    public static final byte[] PLAINTEXT = {1,2,3,4,5,6,7,8,9,0,1,2,3,4,5,6};
+
+    public static void main(String[] args) throws Exception {
+
+        KeyPairGenerator generator =
+            KeyPairGenerator.getInstance("RSA", "SunMSCAPI");
+
+        KeyPair keyPair = generator.generateKeyPair();
+        Key publicKey = keyPair.getPublic();
+        Key privateKey = keyPair.getPrivate();
+
+        Cipher cipher = null;
+
+        try {
+            cipher = Cipher.getInstance("RSA", "SunMSCAPI");
+
+        } catch (GeneralSecurityException e) {
+            System.out.println("Cipher not supported by provider, skipping...");
+            return;
+        }
+
+        cipher.init(Cipher.ENCRYPT_MODE, publicKey);
+        displayBytes("Plaintext data:", PLAINTEXT);
+        byte[] data = cipher.doFinal(PLAINTEXT);
+        displayBytes("Encrypted data:", data);
+
+        cipher.init(Cipher.DECRYPT_MODE, privateKey);
+        data = cipher.doFinal(data);
+        displayBytes("Decrypted data:", data);
+    }
+
+    private static void displayBytes(String label, byte[] bytes) {
+        System.out.println(label + " [length=" + bytes.length + "]");
+        for (byte b : bytes) {
+            System.out.print("0x" + Integer.toHexString(b & 0xFF) + " ");
+        }
+        System.out.println();
+    }
+}