1 /* 2 * Copyright (c) 2014, 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.InvalidKeySpecException; 42 import java.security.spec.KeySpec; 43 import java.security.spec.RSAPrivateCrtKeySpec; 44 import java.security.spec.RSAPublicKeySpec; 45 46 /** 47 * Ucrypto-private KeyFactory class for generating native keys 48 * needed for using ucrypto APIs. Given that it's not used 49 * externally, it only needs to support RSAPrivateCrtKeySpec 50 * and RSAPublicKeySpec objects. 51 * 52 * @since 1.9 53 */ 54 public final class NativeRSAKeyFactory extends KeyFactorySpi { 55 56 @Override 57 protected PrivateKey engineGeneratePrivate(KeySpec keySpec) 58 throws InvalidKeySpecException { 59 return new NativeKey.RSAPrivateCrt(keySpec); 60 } 61 62 @Override 63 protected PublicKey engineGeneratePublic(KeySpec keySpec) 64 throws InvalidKeySpecException { 65 return new NativeKey.RSAPublic(keySpec); 66 } 67 68 @Override 69 protected <T extends KeySpec> T 70 engineGetKeySpec(Key key, Class<T> keySpec) 71 throws InvalidKeySpecException { 72 throw new UnsupportedOperationException(); 73 } 74 75 @Override 76 protected Key engineTranslateKey(Key key) throws InvalidKeyException { 77 // no need to support this 78 throw new UnsupportedOperationException(); 79 } 80 }