EncFSConfigFactory.java

/*
 * EncFS Java Library
 * Copyright (C) 2013 encfs-java authors
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 Lesser General Public License for more details.
 */
package org.mrpdaemon.sec.encfs;

/**
 * Class for creating EncFSConfig objects
 */
public final class EncFSConfigFactory {

    /**
     * Creates an EncFSConfig with default parameters:
     * 
     * nameio/stream<br>
     * 256-bit key <br>
     * 1024 byte block size <br>
     * no Unique IV <br>
     * no Chained name IV <br>
     * AllowHoles <br>
     * 5000 PBKDF2 iterations <br>
     * 
     * @return An EncFSConfig object with default parameters
     */
    public static EncFSConfig createDefault() {
        EncFSConfig config = new EncFSConfig();
        config.setFilenameAlgorithm(EncFSFilenameEncryptionAlgorithm.STREAM);
        config.setVolumeKeySizeInBits(256);
        config.setEncryptedFileBlockSizeInBytes(1024);
        config.setUseUniqueIV(false);
        config.setChainedNameIV(false);
        config.setHolesAllowedInFiles(true);
        config.setIterationForPasswordKeyDerivationCount(5000);
        config.setNumberOfMACBytesForEachFileBlock(0);
        config.setNumberOfRandomBytesInEachMACHeader(0);
        config.setSupportedExternalIVChaining(false);
        return config;
    }
}