1 /* 2 * Copyright (c) 2014, 2015, 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 com.oracle.security.ucrypto; 27 28 import java.util.Set; 29 import java.util.Arrays; 30 import java.util.concurrent.ConcurrentSkipListSet; 31 import java.lang.ref.*; 32 33 import java.math.BigInteger; 34 import java.security.InvalidKeyException; 35 import java.security.NoSuchAlgorithmException; 36 import java.security.Key; 37 import java.security.PublicKey; 38 import java.security.PrivateKey; 39 import java.security.KeyFactorySpi; 40 41 import java.security.spec.*; 42 43 /** 44 * Ucrypto-private KeyFactory class for generating native keys 45 * needed for using ucrypto APIs. 46 * 47 * @since 1.9 48 */ 49 public final class NativeRSAKeyFactory extends KeyFactorySpi { 50 51 @Override 52 protected PrivateKey engineGeneratePrivate(KeySpec keySpec) 53 throws InvalidKeySpecException { 54 if (keySpec instanceof RSAPrivateCrtKeySpec) { 55 return new NativeKey.RSAPrivateCrt(keySpec); 56 } else if (keySpec instanceof RSAPrivateKeySpec) { 57 return new NativeKey.RSAPrivate(keySpec); 58 } else { 59 throw new InvalidKeySpecException("Unsupported key spec." + 60 " Received: " + keySpec.getClass().getName()); 61 } 62 } 63 64 @Override 65 protected PublicKey engineGeneratePublic(KeySpec keySpec) 66 throws InvalidKeySpecException { 67 return new NativeKey.RSAPublic(keySpec); 68 } 69 70 @Override 71 protected <T extends KeySpec> T 72 engineGetKeySpec(Key key, Class<T> keySpec) 73 throws InvalidKeySpecException { 74 throw new UnsupportedOperationException(); 75 } 76 77 @Override 78 protected Key engineTranslateKey(Key key) throws InvalidKeyException { 79 // no need to support this 80 throw new UnsupportedOperationException(); 81 } 82 }