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8187443: Forest Consolidation: Move files to unified layout
Reviewed-by: darcy, ihse
This commit is contained in:
Erik Joelsson
parent
270fe13182
commit
3789983e89
56923 changed files with 3 additions and 15727 deletions
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@ -0,0 +1,259 @@
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/*
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* Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.crypto.provider;
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import java.security.Key;
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import java.security.PublicKey;
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import java.security.PrivateKey;
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import java.security.KeyFactory;
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import java.security.InvalidKeyException;
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import java.security.NoSuchProviderException;
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import java.security.NoSuchAlgorithmException;
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import java.security.spec.PKCS8EncodedKeySpec;
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import java.security.spec.X509EncodedKeySpec;
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import java.security.spec.InvalidKeySpecException;
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import javax.crypto.Cipher;
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import javax.crypto.CipherSpi;
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import javax.crypto.SecretKey;
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import javax.crypto.IllegalBlockSizeException;
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import javax.crypto.BadPaddingException;
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import javax.crypto.spec.SecretKeySpec;
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/**
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* This class entends the javax.crypto.CipherSpi class with a concrete
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* implementation of the methods for wrapping and unwrapping
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* keys.
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*
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* @author Sharon Liu
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*
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*
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* @see javax.crypto.CipherSpi
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* @see BlowfishCipher
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* @see DESCipher
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* @see PBEWithMD5AndDESCipher
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*/
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public abstract class CipherWithWrappingSpi extends CipherSpi {
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/**
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* Wrap a key.
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*
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* @param key the key to be wrapped.
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*
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* @return the wrapped key.
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*
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* @exception IllegalBlockSizeException if this cipher is a block
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* cipher, no padding has been requested, and the length of the
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* encoding of the key to be wrapped is not a
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* multiple of the block size.
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*
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* @exception InvalidKeyException if it is impossible or unsafe to
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* wrap the key with this cipher (e.g., a hardware protected key is
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* being passed to a software only cipher).
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*/
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protected final byte[] engineWrap(Key key)
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throws IllegalBlockSizeException, InvalidKeyException
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{
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byte[] result = null;
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try {
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byte[] encodedKey = key.getEncoded();
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if ((encodedKey == null) || (encodedKey.length == 0)) {
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throw new InvalidKeyException("Cannot get an encoding of " +
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"the key to be wrapped");
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}
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result = engineDoFinal(encodedKey, 0, encodedKey.length);
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} catch (BadPaddingException e) {
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// Should never happen
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}
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return result;
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}
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/**
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* Unwrap a previously wrapped key.
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*
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* @param wrappedKey the key to be unwrapped.
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*
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* @param wrappedKeyAlgorithm the algorithm the wrapped key is for.
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*
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* @param wrappedKeyType the type of the wrapped key.
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* This is one of <code>Cipher.SECRET_KEY</code>,
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* <code>Cipher.PRIVATE_KEY</code>, or <code>Cipher.PUBLIC_KEY</code>.
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*
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* @return the unwrapped key.
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*
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* @exception InvalidKeyException if <code>wrappedKey</code> does not
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* represent a wrapped key, or if the algorithm associated with the
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* wrapped key is different from <code>wrappedKeyAlgorithm</code>
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* and/or its key type is different from <code>wrappedKeyType</code>.
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*
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* @exception NoSuchAlgorithmException if no installed providers
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* can create keys for the <code>wrappedKeyAlgorithm</code>.
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*/
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protected final Key engineUnwrap(byte[] wrappedKey,
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String wrappedKeyAlgorithm,
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int wrappedKeyType)
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throws InvalidKeyException, NoSuchAlgorithmException
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{
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byte[] encodedKey;
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Key result = null;
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try {
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encodedKey = engineDoFinal(wrappedKey, 0,
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wrappedKey.length);
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} catch (BadPaddingException ePadding) {
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throw new InvalidKeyException();
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} catch (IllegalBlockSizeException eBlockSize) {
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throw new InvalidKeyException();
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}
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switch (wrappedKeyType) {
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case Cipher.SECRET_KEY:
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result = constructSecretKey(encodedKey,
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wrappedKeyAlgorithm);
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break;
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case Cipher.PRIVATE_KEY:
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result = constructPrivateKey(encodedKey,
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wrappedKeyAlgorithm);
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break;
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case Cipher.PUBLIC_KEY:
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result = constructPublicKey(encodedKey,
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wrappedKeyAlgorithm);
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break;
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}
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return result;
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}
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/**
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* Construct a public key from its encoding.
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*
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* @param encodedKey the encoding of a public key.
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*
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* @param encodedKeyAlgorithm the algorithm the encodedKey is for.
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*
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* @return a public key constructed from the encodedKey.
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*/
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private final PublicKey constructPublicKey(byte[] encodedKey,
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String encodedKeyAlgorithm)
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throws InvalidKeyException, NoSuchAlgorithmException
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{
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PublicKey key = null;
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try {
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KeyFactory keyFactory =
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KeyFactory.getInstance(encodedKeyAlgorithm,
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SunJCE.getInstance());
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X509EncodedKeySpec keySpec = new X509EncodedKeySpec(encodedKey);
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key = keyFactory.generatePublic(keySpec);
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} catch (NoSuchAlgorithmException nsae) {
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// Try to see whether there is another
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// provider which supports this algorithm
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try {
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KeyFactory keyFactory =
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KeyFactory.getInstance(encodedKeyAlgorithm);
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X509EncodedKeySpec keySpec =
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new X509EncodedKeySpec(encodedKey);
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key = keyFactory.generatePublic(keySpec);
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} catch (NoSuchAlgorithmException nsae2) {
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throw new NoSuchAlgorithmException("No installed providers " +
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"can create keys for the " +
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encodedKeyAlgorithm +
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"algorithm");
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} catch (InvalidKeySpecException ikse2) {
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// Should never happen.
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}
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} catch (InvalidKeySpecException ikse) {
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// Should never happen.
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}
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return key;
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}
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/**
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* Construct a private key from its encoding.
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*
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* @param encodedKey the encoding of a private key.
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*
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* @param encodedKeyAlgorithm the algorithm the wrapped key is for.
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*
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* @return a private key constructed from the encodedKey.
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*/
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private final PrivateKey constructPrivateKey(byte[] encodedKey,
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String encodedKeyAlgorithm)
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throws InvalidKeyException, NoSuchAlgorithmException
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{
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PrivateKey key = null;
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try {
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KeyFactory keyFactory =
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KeyFactory.getInstance(encodedKeyAlgorithm,
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SunJCE.getInstance());
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PKCS8EncodedKeySpec keySpec = new PKCS8EncodedKeySpec(encodedKey);
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return keyFactory.generatePrivate(keySpec);
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} catch (NoSuchAlgorithmException nsae) {
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// Try to see whether there is another
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// provider which supports this algorithm
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try {
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KeyFactory keyFactory =
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KeyFactory.getInstance(encodedKeyAlgorithm);
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PKCS8EncodedKeySpec keySpec =
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new PKCS8EncodedKeySpec(encodedKey);
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key = keyFactory.generatePrivate(keySpec);
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} catch (NoSuchAlgorithmException nsae2) {
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throw new NoSuchAlgorithmException("No installed providers " +
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"can create keys for the " +
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encodedKeyAlgorithm +
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"algorithm");
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} catch (InvalidKeySpecException ikse2) {
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// Should never happen.
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}
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} catch (InvalidKeySpecException ikse) {
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// Should never happen.
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}
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return key;
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}
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/**
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* Construct a secret key from its encoding.
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*
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* @param encodedKey the encoding of a secret key.
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*
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* @param encodedKeyAlgorithm the algorithm the secret key is for.
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*
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* @return a secret key constructed from the encodedKey.
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*/
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private final SecretKey constructSecretKey(byte[] encodedKey,
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String encodedKeyAlgorithm)
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{
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return (new SecretKeySpec(encodedKey, encodedKeyAlgorithm));
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}
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}
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