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The FIPS 140-3 Bouncy Castle Crypto package is a Java implementation of cryptographic algorithms certified to FIPS 140-3 level 1. This jar contains JCE provider and low-level API for the BC-FJA version 2.0.0, FIPS Certificate #4743. Please see certificate for certified platform details.

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package org.bouncycastle.crypto;

/**
 * Base interface for a creator of MAC calculators.
 *
 * @param  the parameters type for the MAC calculator we produce.
 */
public interface MACOperatorFactory
{
    /**
     * Create a MAC calculator which provides an OutputStream to write data to.
     *
     * @param key the key to use to initialise the MAC.
     * @param parameters any additional parameters.
     * @return a MAC calculator.
     */
    OutputMACCalculator createOutputMACCalculator(SymmetricKey key, T parameters);
}