JwePbeHmacAesWrapTest.java

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 * distributed with this work for additional information
 * regarding copyright ownership. The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 * http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.cxf.rs.security.jose.jwe;

import java.nio.charset.StandardCharsets;
import java.security.Security;

import org.apache.cxf.rs.security.jose.jwa.ContentAlgorithm;
import org.apache.cxf.rs.security.jose.jwa.KeyAlgorithm;
import org.bouncycastle.jce.provider.BouncyCastleProvider;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

public class JwePbeHmacAesWrapTest extends Assert {
    @Before
    public void registerBouncyCastleIfNeeded() throws Exception {
        Security.addProvider(new BouncyCastleProvider());
    }
    @After
    public void unregisterBouncyCastleIfNeeded() throws Exception {
        Security.removeProvider(BouncyCastleProvider.PROVIDER_NAME);
    }
    @Test
    public void testEncryptDecryptPbesHmacAesWrapA128CBCHS256() throws Exception {
        final String specPlainText = "Live long and prosper.";
        final String password = "Thus from my lips, by yours, my sin is purged.";
        KeyEncryptionProvider keyEncryption =
            new PbesHmacAesWrapKeyEncryptionAlgorithm(password, KeyAlgorithm.PBES2_HS256_A128KW);
        JweEncryptionProvider encryption = new AesCbcHmacJweEncryption(ContentAlgorithm.A128CBC_HS256,
                                                                       keyEncryption);
        String jweContent = encryption.encrypt(specPlainText.getBytes(StandardCharsets.UTF_8), null);

        PbesHmacAesWrapKeyDecryptionAlgorithm keyDecryption = new PbesHmacAesWrapKeyDecryptionAlgorithm(password);
        JweDecryptionProvider decryption = new AesCbcHmacJweDecryption(keyDecryption);
        String decryptedText = decryption.decrypt(jweContent).getContentText();
        assertEquals(specPlainText, decryptedText);

    }
    @Test
    public void testEncryptDecryptPbesHmacAesWrapAesGcm() throws Exception {
        final String specPlainText = "Live long and prosper.";
        JweHeaders headers = new JweHeaders();
        headers.setKeyEncryptionAlgorithm(KeyAlgorithm.PBES2_HS256_A128KW);
        headers.setContentEncryptionAlgorithm(ContentAlgorithm.A128GCM);
        final String password = "Thus from my lips, by yours, my sin is purged.";
        KeyEncryptionProvider keyEncryption =
            new PbesHmacAesWrapKeyEncryptionAlgorithm(password, KeyAlgorithm.PBES2_HS256_A128KW);
        JweEncryptionProvider encryption = new JweEncryption(keyEncryption,
            new AesGcmContentEncryptionAlgorithm(ContentAlgorithm.A128GCM));
        String jweContent = encryption.encrypt(specPlainText.getBytes(StandardCharsets.UTF_8), null);
        PbesHmacAesWrapKeyDecryptionAlgorithm keyDecryption = new PbesHmacAesWrapKeyDecryptionAlgorithm(password);
        JweDecryptionProvider decryption = new JweDecryption(keyDecryption,
                                               new AesGcmContentDecryptionAlgorithm(ContentAlgorithm.A128GCM));
        String decryptedText = decryption.decrypt(jweContent).getContentText();
        assertEquals(specPlainText, decryptedText);

    }
}