author | mbalao |
Wed, 05 Jun 2019 01:42:11 -0300 | |
changeset 55258 | d65d3c37232c |
parent 48651 | 67abfee27e69 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2017, 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 sun.security.krb5.internal.crypto; |
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import sun.security.krb5.internal.crypto.dk.AesSha2DkCrypto; |
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import sun.security.krb5.KrbCryptoException; |
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import java.security.GeneralSecurityException; |
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/** |
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* Class with static methods for doing aes128-cts-hmac-sha256-128 operations. |
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*/ |
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public class Aes128Sha2 { |
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private static final AesSha2DkCrypto CRYPTO = new AesSha2DkCrypto(128); |
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private Aes128Sha2() { |
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} |
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public static byte[] stringToKey(char[] password, String salt, byte[] params) |
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throws GeneralSecurityException { |
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return CRYPTO.stringToKey(password, salt, params); |
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} |
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// in bytes |
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public static int getChecksumLength() { |
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return CRYPTO.getChecksumLength(); |
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} |
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public static byte[] calculateChecksum(byte[] baseKey, int usage, |
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byte[] input, int start, int len) throws GeneralSecurityException { |
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return CRYPTO.calculateChecksum(baseKey, usage, input, start, len); |
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} |
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public static byte[] encrypt(byte[] baseKey, int usage, |
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byte[] ivec, byte[] plaintext, int start, int len) |
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throws GeneralSecurityException, KrbCryptoException { |
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return CRYPTO.encrypt(baseKey, usage, ivec, null /* new_ivec */, |
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plaintext, start, len); |
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} |
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/* Encrypt plaintext; do not add confounder, or checksum */ |
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public static byte[] encryptRaw(byte[] baseKey, int usage, |
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byte[] ivec, byte[] plaintext, int start, int len) |
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throws GeneralSecurityException, KrbCryptoException { |
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return CRYPTO.encryptRaw(baseKey, usage, ivec, plaintext, start, len); |
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} |
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public static byte[] decrypt(byte[] baseKey, int usage, byte[] ivec, |
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byte[] ciphertext, int start, int len) |
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throws GeneralSecurityException { |
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return CRYPTO.decrypt(baseKey, usage, ivec, ciphertext, start, len); |
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} |
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/* Decrypt ciphertext; do not remove confounder, or check checksum */ |
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public static byte[] decryptRaw(byte[] baseKey, int usage, byte[] ivec, |
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byte[] ciphertext, int start, int len) |
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throws GeneralSecurityException { |
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return CRYPTO.decryptRaw(baseKey, usage, ivec, ciphertext, start, len); |
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} |
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}; |