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 package de.pfabulist.lindwurm.stellvertreter;
import static de.pfabulist.kleinod.errors.Unchecked.statement;
import static de.pfabulist.kleinod.errors.Unchecked.val;

** BEGIN LICENSE BLOCK ***** BSD License (2 clause) Copyright (c) 2006 - 2014, Stephan Pfab All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL Stephan Pfab BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. **** END LICENSE BLOCK ****
public class DeEnc {
    private final byte[] salt;
    private final SecretKeySpec keyspec;
    public DeEncchar[] passwd )  {
        thispasswdnew SecureRandom().generateSeed(8));
    public DeEnc(char[] passwdbyte[] salt) {
        this. = salt;
         = val(() -> getSecretKeySpec(passwdsalt));
    static SecretKeySpec getSecretKeySpecchar[] passwdbyte[] salt ) {
        SecretKeyFactory factory = val( () -> SecretKeyFactory.getInstance. ));
        KeySpec spec             = val( () -> new PBEKeySpec(passwdsalt., CheckKeySize.getKeySize()));
        SecretKey tmp            = val( () -> factory.generateSecret(spec));
        return new SecretKeySpec(tmp.getEncoded(), . );
    public Cipher getEncryptingCipher() {
        Cipher ecipher = val(() -> Cipher.getInstance(.));
        statement( () -> ecipher.init(.));
        return ecipher;
    public Cipher getDecryptingCipherbyte[] iv )  {
        Cipher decipher = val(() -> Cipher.getInstance(.));
        statement( () -> decipher.init(.new IvParameterSpeciv )));
        return decipher;
    public byte[] getSalt() {
        return ;
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