Jabit/core/src/test/java/ch/dissem/bitmessage/EncryptionTest.java

65 lines
2.7 KiB
Java

/*
* Copyright 2015 Christian Basler
*
* 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 ch.dissem.bitmessage;
import ch.dissem.bitmessage.entity.BitmessageAddress;
import ch.dissem.bitmessage.entity.ObjectMessage;
import ch.dissem.bitmessage.entity.Plaintext;
import ch.dissem.bitmessage.entity.payload.CryptoBox;
import ch.dissem.bitmessage.entity.payload.GenericPayload;
import ch.dissem.bitmessage.entity.payload.Msg;
import ch.dissem.bitmessage.entity.valueobject.PrivateKey;
import ch.dissem.bitmessage.exception.DecryptionFailedException;
import ch.dissem.bitmessage.utils.TestBase;
import ch.dissem.bitmessage.utils.TestUtils;
import org.junit.Test;
import java.io.IOException;
import static ch.dissem.bitmessage.utils.Singleton.security;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNotNull;
public class EncryptionTest extends TestBase {
@Test
public void ensureDecryptedDataIsSameAsBeforeEncryption() throws IOException, DecryptionFailedException {
GenericPayload before = new GenericPayload(0, 1, security().randomBytes(100));
PrivateKey privateKey = new PrivateKey(false, 1, 1000, 1000);
CryptoBox cryptoBox = new CryptoBox(before, privateKey.getPubkey().getEncryptionKey());
GenericPayload after = GenericPayload.read(0, cryptoBox.decrypt(privateKey.getPrivateEncryptionKey()), 1, 100);
assertEquals(before, after);
}
@Test
public void ensureMessageCanBeDecrypted() throws IOException, DecryptionFailedException {
PrivateKey privateKey = PrivateKey.read(TestUtils.getResource("BM-2cSqjfJ8xK6UUn5Rw3RpdGQ9RsDkBhWnS8.privkey"));
BitmessageAddress identity = new BitmessageAddress(privateKey);
assertEquals("BM-2cSqjfJ8xK6UUn5Rw3RpdGQ9RsDkBhWnS8", identity.getAddress());
ObjectMessage object = TestUtils.loadObjectMessage(3, "V1Msg.payload");
Msg msg = (Msg) object.getPayload();
msg.decrypt(privateKey.getPrivateEncryptionKey());
Plaintext plaintext = msg.getPlaintext();
assertNotNull(plaintext);
assertEquals("Test", plaintext.getSubject());
assertEquals("Hallo, das ist ein Test von der v4-Adresse", plaintext.getText());
}
}