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The file system driver family for ZIP and related archive file types. Add the JAR artifact of this module to the run time class path to make its file system drivers available for service location in the client API modules.

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/*
 * Copyright (C) 2005-2013 Schlichtherle IT Services.
 * All rights reserved. Use is subject to license terms.
 */
package de.schlichtherle.truezip.crypto.param;

import javax.annotation.concurrent.ThreadSafe;

/**
 * Defines the key strengths for a cipher.
 * 
 * Implementations must be thread-safe!
 *
 * @author  Christian Schlichtherle
 */
@ThreadSafe
public interface KeyStrength {

    /**
     * Returns the index of the key strength.
     * 
     * @return The index of the key strength.
     */
    int ordinal();

    /**
     * Returns the key strength in bits.
     * 
     * @return The key strength in bits.
     */
    int getBits();

    /**
     * Returns the key strength in bytes.
     * 
     * @return The key strength in bytes.
     */
    int getBytes();

    /**
     * Returns a localized display string representing this key strength.
     * 
     * @return A localized display string representing this key strength.
     */
    @Override
    String toString();
}