pgpainless/pgpainless-core/src/test/java/org/pgpainless/key/modification/GnuDummyS2KChangePassphraseTest.java

/*
 * Copyright 2021 Paul Schaub.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.pgpainless.key.modification;

import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertTrue;

import java.io.IOException;

import org.bouncycastle.openpgp.PGPException;
import org.bouncycastle.openpgp.PGPSecretKeyRing;
import org.junit.jupiter.api.Test;
import org.pgpainless.PGPainless;
import org.pgpainless.util.Passphrase;

public class GnuDummyS2KChangePassphraseTest {

    private static final Passphrase passphrase = Passphrase.fromPassword("password12345678");
    private static final String KEY_WITH_GNU_DUMMY_S2K_PRIMARY_KEY = "" +
            "-----BEGIN PGP PRIVATE KEY BLOCK-----\n" +
            "\n" +
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            "K50lVr09I+KUxeLbC/nhKKpv35CogJ9+el+SW5o2mYC1X3XjbIcaa4LBxQj5KsK8\n" +
            "gfj3nXc67K1Qqf5pMDE6LW5mRKGW4cOktlsFB+vAH0A3Ik7B\n" +
            "=TGkX\n" +
            "-----END PGP PRIVATE KEY BLOCK-----";

    @Test
    public void testChangePassphraseToNoPassphraseIgnoresGnuDummyS2KKeys() throws PGPException, IOException {
        PGPSecretKeyRing secretKey = PGPainless.readKeyRing().secretKeyRing(KEY_WITH_GNU_DUMMY_S2K_PRIMARY_KEY);

        assertFalse(PGPainless.inspectKeyRing(secretKey).isFullyDecrypted());

        secretKey = PGPainless.modifyKeyRing(secretKey)
                .changePassphraseFromOldPassphrase(passphrase)
                .withSecureDefaultSettings()
                .toNoPassphrase()
                .done();

        assertTrue(PGPainless.inspectKeyRing(secretKey).isFullyDecrypted());
    }

}