8187443: Forest Consolidation: Move files to unified layout

Reviewed-by: darcy, ihse

src/java.base/share/classes/sun/security/rsa/RSAPrivateKeyImpl.java

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2003, 2013, 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.rsa;
+
+import java.io.IOException;
+import java.math.BigInteger;
+
+import java.security.*;
+import java.security.interfaces.*;
+
+import sun.security.util.*;
+import sun.security.pkcs.PKCS8Key;
+
+/**
+ * Key implementation for RSA private keys, non-CRT form (modulus, private
+ * exponent only). For CRT private keys, see RSAPrivateCrtKeyImpl. We need
+ * separate classes to ensure correct behavior in instanceof checks, etc.
+ *
+ * Note: RSA keys must be at least 512 bits long
+ *
+ * @see RSAPrivateCrtKeyImpl
+ * @see RSAKeyFactory
+ *
+ * @since   1.5
+ * @author  Andreas Sterbenz
+ */
+public final class RSAPrivateKeyImpl extends PKCS8Key implements RSAPrivateKey {
+
+    private static final long serialVersionUID = -33106691987952810L;
+
+    private final BigInteger n;         // modulus
+    private final BigInteger d;         // private exponent
+
+    /**
+     * Construct a key from its components. Used by the
+     * RSAKeyFactory and the RSAKeyPairGenerator.
+     */
+    RSAPrivateKeyImpl(BigInteger n, BigInteger d) throws InvalidKeyException {
+        this.n = n;
+        this.d = d;
+        RSAKeyFactory.checkRSAProviderKeyLengths(n.bitLength(), null);
+        // generate the encoding
+        algid = RSAPrivateCrtKeyImpl.rsaId;
+        try {
+            DerOutputStream out = new DerOutputStream();
+            out.putInteger(0); // version must be 0
+            out.putInteger(n);
+            out.putInteger(0);
+            out.putInteger(d);
+            out.putInteger(0);
+            out.putInteger(0);
+            out.putInteger(0);
+            out.putInteger(0);
+            out.putInteger(0);
+            DerValue val =
+                new DerValue(DerValue.tag_Sequence, out.toByteArray());
+            key = val.toByteArray();
+        } catch (IOException exc) {
+            // should never occur
+            throw new InvalidKeyException(exc);
+        }
+    }
+
+    // see JCA doc
+    public String getAlgorithm() {
+        return "RSA";
+    }
+
+    // see JCA doc
+    public BigInteger getModulus() {
+        return n;
+    }
+
+    // see JCA doc
+    public BigInteger getPrivateExponent() {
+        return d;
+    }
+}