TestAESDecode.java

/*
 * Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

package compiler.codegen.aes;

import javax.crypto.Cipher;

/**
 * @author Tom Deneau
 */
public class TestAESDecode extends TestAESBase {
    @Override
    public void run() {
        try {
            if (mode.equals("GCM")) {
                gcm_init(false);
            } else if (!noReinit) {
                dCipher.init(Cipher.DECRYPT_MODE, key, algParams);
            }
            decode = new byte[decodeLength];
            if (testingMisalignment) {
                int tempSize = dCipher.update(encode, encOutputOffset, (decodeMsgSize - lastChunkSize), decode, decOutputOffset);
                dCipher.doFinal(encode, (encOutputOffset + decodeMsgSize - lastChunkSize), lastChunkSize, decode, (decOutputOffset + tempSize));
            } else {
                dCipher.doFinal(encode, encOutputOffset, decodeMsgSize, decode, decOutputOffset);
            }
            if (checkOutput) {
                compareArrays(decode, expectedDecode);
            }
        } catch (Exception e) {
            throw new Error(e.getMessage(), e);
        }
    }

    @Override
    void childShowCipher() {
        showCipher(dCipher, "Decryption");
    }
}