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The Bouncy Castle Java API for handling the OpenPGP protocol. This jar contains the OpenPGP API for JDK 1.5 to JDK 1.8. 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.openpgp.operator;

import org.bouncycastle.openpgp.PGPException;

public abstract class PGPSecretKeyDecryptorWithAAD
    extends PBESecretKeyDecryptor
{
    public PGPSecretKeyDecryptorWithAAD(char[] passPhrase, PGPDigestCalculatorProvider calculatorProvider)
    {
        super(passPhrase, calculatorProvider);
    }

    public byte[] recoverKeyData(int encAlgorithm, byte[] key, byte[] iv, byte[] keyData, int keyOff, int keyLen)
        throws PGPException
    {
        return recoverKeyData(encAlgorithm, key, iv, null, keyData, keyOff, keyLen);
    }

    public abstract byte[] recoverKeyData(int encAlgorithm, byte[] key, byte[] iv, byte[] aad, byte[] keyData, int keyOff, int keyLen) throws PGPException;
}