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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.fips;

import org.bouncycastle.crypto.internal.Digest;

/**
 * KDF2 generator for derived keys and ivs as defined by IEEE P1363a/ISO 18033
 * 

 * This implementation is based on IEEE P1363/ISO 18033.
 */
class KDF2BytesGenerator
    extends BaseKDFBytesGenerator
{
    /**
     * Construct a KDF2 bytes generator. Generates key material
     * according to IEEE P1363 or ISO 18033 depending on the initialisation.
     * 
     * @param digest the digest to be used as the source of derived keys.
     */
    public KDF2BytesGenerator(
        Digest  digest)
    {
        super(1, digest);
    }
}