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Added PBKDF2 to crypto component.

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akwizgran
2013-04-16 12:04:23 +01:00
parent 0dcc1a6d54
commit e343c9f4bb
4 changed files with 175 additions and 16 deletions
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41
briar-tests/src/net/sf/briar/crypto/PasswordBasedKdfTest.java Normal file
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package net.sf.briar.crypto;
import static org.junit.Assert.assertArrayEquals;
import java.util.Random;
import net.sf.briar.BriarTestCase;
import net.sf.briar.api.crypto.CryptoComponent;
import org.junit.Test;
public class PasswordBasedKdfTest extends BriarTestCase {
@Test
public void testEncryptionAndDecryption() {
CryptoComponent crypto = new CryptoComponentImpl();
Random random = new Random();
byte[] input = new byte[123];
random.nextBytes(input);
char[] password = "password".toCharArray();
byte[] ciphertext = crypto.encryptWithPassword(input, password);
byte[] output = crypto.decryptWithPassword(ciphertext, password);
assertArrayEquals(input, output);
}
@Test
public void testInvalidCiphertextReturnsNull() {
CryptoComponent crypto = new CryptoComponentImpl();
Random random = new Random();
byte[] input = new byte[123];
random.nextBytes(input);
char[] password = "password".toCharArray();
byte[] ciphertext = crypto.encryptWithPassword(input, password);
// Modify the ciphertext
int position = random.nextInt(ciphertext.length);
int value = random.nextInt(256);
ciphertext[position] = (byte) value;
byte[] output = crypto.decryptWithPassword(ciphertext, password);
assertNull(output);
}
}