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The Bouncy Castle Java APIs for CMS, PKCS, EAC, TSP, CMP, CRMF, OCSP, and certificate generation. This jar contains APIs for JDK 1.5 and up. The APIs can be used in conjunction with a JCE/JCA provider such as the one provided with the Bouncy Castle Cryptography APIs.

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package org.bouncycastle.jcajce;

import javax.crypto.interfaces.PBEKey;

import org.bouncycastle.crypto.CharToByteConverter;
import org.bouncycastle.util.Arrays;

/**
 * A password based key for use with PBKDF1 as defined in PKCS#5 with full PBE parameters.
 */
public class PBKDF1KeyWithParameters
    extends PBKDF1Key
    implements PBEKey
{
    private final byte[] salt;
    private final int iterationCount;

    /**
     * Basic constructor for a password based key with generation parameters for PBKDF1.
     *
     * @param password password to use.
     * @param converter the converter to use to turn the char array into octets.
     * @param salt salt for generation algorithm
     * @param iterationCount iteration count for generation algorithm.
     */
    public PBKDF1KeyWithParameters(char[] password, CharToByteConverter converter, byte[] salt, int iterationCount)
    {
        super(password, converter);

        this.salt = Arrays.clone(salt);
        this.iterationCount = iterationCount;
    }

    /**
     * Return the salt to use in the key derivation function.
     *
     * @return the salt to use in the KDF.
     */
    public byte[] getSalt()
    {
        return salt;
    }

    /**
     * Return the iteration count to use in the key derivation function.
     *
     * @return the iteration count to use in the KDF.
     */
    public int getIterationCount()
    {
        return iterationCount;
    }
}