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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.jcajce;

import javax.crypto.SecretKey;

/**
 * Interface for SecretKey's that can be explictly zeroized.
 * 
 * As this makes the key mutable, at the moment it only applies to MAC keys associated with key agreement schemes.
 * 
 */
public interface ZeroizableSecretKey
    extends SecretKey
{
    /**
     * Proactively zero out the key bytes.
     */
    void zeroize();
}