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The FIPS 140-2 Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms certified to FIPS 140-2 level 1. This jar contains the debug version JCE provider and low-level API for the BC-FJA version 1.0.2.3, FIPS Certificate #3514. Please note the debug jar is not certified.

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package org.bouncycastle.crypto;

/**
 * Base interface for keys.
 */
public interface Key
{
    /**
     * The algorithm the key is for.
     *
     * @return the key's algorithm.
     */
    Algorithm getAlgorithm();

    /**
     * Return true if o is an equivalent key to this.
     *
     * @param o object to compare to.
     * @return true if o is the same or equivalent key, false otherwise.
     */
    boolean equals(Object o);

    /**
     * Return the hashCode for the key.
     *
     * @return the key's hashCode.
     */
    int hashCode();
}