2362N/A * Copyright (c) 1999, 2007, Oracle and/or its affiliates. All rights reserved. 0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 0N/A * This code is free software; you can redistribute it and/or modify it 0N/A * under the terms of the GNU General Public License version 2 only, as 2362N/A * published by the Free Software Foundation. Oracle designates this 0N/A * particular file as subject to the "Classpath" exception as provided 2362N/A * by Oracle in the LICENSE file that accompanied this code. 0N/A * This code is distributed in the hope that it will be useful, but WITHOUT 0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 0N/A * version 2 for more details (a copy is included in the LICENSE file that 0N/A * accompanied this code). 0N/A * You should have received a copy of the GNU General Public License version 0N/A * 2 along with this work; if not, write to the Free Software Foundation, 0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2362N/A * or visit www.oracle.com if you need additional information or have any 0N/A * This class entends the javax.crypto.CipherSpi class with a concrete 0N/A * implementation of the methods for wrapping and unwrapping 0N/A * @author Sharon Liu 0N/A * @see javax.crypto.CipherSpi 0N/A * @see BlowfishCipher 0N/A * @see PBEWithMD5AndDESCipher 0N/A * @param key the key to be wrapped. 0N/A * @return the wrapped key. 0N/A * @exception IllegalBlockSizeException if this cipher is a block 0N/A * cipher, no padding has been requested, and the length of the 0N/A * encoding of the key to be wrapped is not a 0N/A * multiple of the block size. 0N/A * @exception InvalidKeyException if it is impossible or unsafe to 0N/A * wrap the key with this cipher (e.g., a hardware protected key is 0N/A * being passed to a software only cipher). 0N/A "the key to be wrapped");
0N/A // Should never happen 0N/A * Unwrap a previously wrapped key. 0N/A * @param wrappedKey the key to be unwrapped. 0N/A * @param wrappedKeyAlgorithm the algorithm the wrapped key is for. 0N/A * @param wrappedKeyType the type of the wrapped key. 0N/A * This is one of <code>Cipher.SECRET_KEY</code>, 0N/A * <code>Cipher.PRIVATE_KEY</code>, or <code>Cipher.PUBLIC_KEY</code>. 0N/A * @return the unwrapped key. 0N/A * @exception InvalidKeyException if <code>wrappedKey</code> does not 0N/A * represent a wrapped key, or if the algorithm associated with the 0N/A * wrapped key is different from <code>wrappedKeyAlgorithm</code> 0N/A * and/or its key type is different from <code>wrappedKeyType</code>. 0N/A * @exception NoSuchAlgorithmException if no installed providers 0N/A * can create keys for the <code>wrappedKeyAlgorithm</code>. 0N/A * Construct a public key from its encoding. 0N/A * @param encodedKey the encoding of a public key. 0N/A * @param encodedKeyAlgorithm the algorithm the encodedKey is for. 0N/A * @return a public key constructed from the encodedKey. 0N/A // Try to see whether there is another 0N/A // provider which supports this algorithm 0N/A "can create keys for the " +
0N/A // Should never happen. 0N/A // Should never happen. 0N/A // Should never happen. 0N/A * Construct a private key from its encoding. 0N/A * @param encodedKey the encoding of a private key. 0N/A * @param encodedKeyAlgorithm the algorithm the wrapped key is for. 0N/A * @return a private key constructed from the encodedKey. 0N/A // Try to see whether there is another 0N/A // provider which supports this algorithm 0N/A "can create keys for the " +
0N/A // Should never happen. 0N/A // Should never happen. 0N/A // Should never happen. 0N/A * Construct a secret key from its encoding. 0N/A * @param encodedKey the encoding of a secret key. 0N/A * @param encodedKeyAlgorithm the algorithm the secret key is for. 0N/A * @return a secret key constructed from the encodedKey.