Examples with SaltedSecretKey org.syncany.crypto.SaltedSecretKey used on opensource projects

Example 6 with SaltedSecretKey

use of org.syncany.crypto.SaltedSecretKey in project syncany by syncany.

the class CipherSessionTest method testCipherSessionWriteKeyReuseCountOfTwo.

@Test
public void testCipherSessionWriteKeyReuseCountOfTwo() throws Exception {
    SaltedSecretKey masterKey = createDummyMasterKey();
    CipherSession cipherSession = new CipherSession(masterKey, 999, 2);
    CipherSpec cipherSpecAes128 = CipherSpecs.getCipherSpec(CipherSpecs.AES_128_GCM);
    CipherSpec cipherSpecTwofish128 = CipherSpecs.getCipherSpec(CipherSpecs.TWOFISH_128_GCM);
    SaltedSecretKey writeSecretKey1Aes128 = cipherSession.getWriteSecretKey(cipherSpecAes128);
    SaltedSecretKey writeSecretKey2Aes128 = cipherSession.getWriteSecretKey(cipherSpecAes128);
    SaltedSecretKey writeSecretKey3Aes128 = cipherSession.getWriteSecretKey(cipherSpecAes128);
    SaltedSecretKey writeSecretKey1Twofish128 = cipherSession.getWriteSecretKey(cipherSpecTwofish128);
    SaltedSecretKey writeSecretKey2Twofish128 = cipherSession.getWriteSecretKey(cipherSpecTwofish128);
    SaltedSecretKey writeSecretKey3Twofish128 = cipherSession.getWriteSecretKey(cipherSpecTwofish128);
    assertEquals(writeSecretKey1Aes128, writeSecretKey2Aes128);
    assertNotSame(writeSecretKey1Aes128, writeSecretKey3Aes128);
    assertEquals(writeSecretKey1Twofish128, writeSecretKey2Twofish128);
    assertNotSame(writeSecretKey1Twofish128, writeSecretKey3Twofish128);
    assertNotSame(writeSecretKey1Aes128, writeSecretKey1Twofish128);
}

Example 7 with SaltedSecretKey

use of org.syncany.crypto.SaltedSecretKey in project syncany by syncany.

the class CipherSessionTest method testCipherSessionReadKeyCacheSizeOfThree.

@Test
public void testCipherSessionReadKeyCacheSizeOfThree() throws Exception {
    SaltedSecretKey masterKey = createDummyMasterKey();
    CipherSession cipherSession = new CipherSession(masterKey, 2, 999);
    CipherSpec cipherSpecAes128 = CipherSpecs.getCipherSpec(CipherSpecs.AES_128_GCM);
    byte[] readKeySalt1 = CipherUtil.createRandomArray(cipherSpecAes128.getKeySize());
    byte[] readKeySalt2 = CipherUtil.createRandomArray(cipherSpecAes128.getKeySize());
    byte[] readKeySalt3 = CipherUtil.createRandomArray(cipherSpecAes128.getKeySize());
    SaltedSecretKey readSecretKey1Aes128 = cipherSession.getReadSecretKey(cipherSpecAes128, readKeySalt1);
    SaltedSecretKey readSecretKey2Aes128 = cipherSession.getReadSecretKey(cipherSpecAes128, readKeySalt2);
    SaltedSecretKey readSecretKey3Aes128 = cipherSession.getReadSecretKey(cipherSpecAes128, readKeySalt3);
    assertNotSame(readSecretKey1Aes128, readSecretKey2Aes128);
    assertNotSame(readSecretKey1Aes128, readSecretKey3Aes128);
    assertNotSame(readSecretKey2Aes128, readSecretKey3Aes128);
// TODO [medium] This does NOT TEST the actual read cache. How to test this. The cache is completely hidden/private?!
}

Example 8 with SaltedSecretKey

use of org.syncany.crypto.SaltedSecretKey in project syncany by syncany.

the class CipherUtilTest method testIntegrityHeaderVersion.

@Test(expected = Exception.class)
public void testIntegrityHeaderVersion() throws Exception {
    SaltedSecretKey masterKey = createDummyMasterKey();
    byte[] originalPlaintext = TestFileUtil.createRandomArray(50);
    byte[] ciphertext = CipherUtil.encrypt(new ByteArrayInputStream(originalPlaintext), Arrays.asList(CipherSpecs.getCipherSpec(CipherSpecs.AES_128_GCM)), masterKey);
    // Alter header VERSION 
    ciphertext[4] = (byte) 0xff;
    byte[] plaintext = CipherUtil.decrypt(new ByteArrayInputStream(ciphertext), masterKey);
    System.out.println(StringUtil.toHex(originalPlaintext));
    System.out.println(StringUtil.toHex(plaintext));
    fail("TEST FAILED: Ciphertext was altered without exception.");
}

Example 9 with SaltedSecretKey

use of org.syncany.crypto.SaltedSecretKey in project syncany by syncany.

the class CipherUtilTest method testIntegrityAesGcmCiphertext.

@Test(expected = CipherException.class)
public void testIntegrityAesGcmCiphertext() throws Exception {
    SaltedSecretKey masterKey = createDummyMasterKey();
    byte[] originalPlaintext = TestFileUtil.createRandomArray(50);
    byte[] ciphertext = CipherUtil.encrypt(new ByteArrayInputStream(originalPlaintext), Arrays.asList(CipherSpecs.getCipherSpec(CipherSpecs.AES_128_GCM)), masterKey);
    // Alter ciphertext (after header!); ciphertext starts after 75 bytes 
    ciphertext[80] = (byte) (ciphertext[80] ^ 0x01);
    ciphertext[81] = (byte) (ciphertext[81] ^ 0x02);
    ciphertext[82] = (byte) (ciphertext[82] ^ 0x03);
    CipherUtil.decrypt(new ByteArrayInputStream(ciphertext), masterKey);
    fail("TEST FAILED: Ciphertext was altered without exception.");
}

Example 10 with SaltedSecretKey

use of org.syncany.crypto.SaltedSecretKey in project syncany by syncany.

the class CipherUtilTest method testIntegrityHeaderCipherIV.

@Test(expected = Exception.class)
public void testIntegrityHeaderCipherIV() throws Exception {
    SaltedSecretKey masterKey = createDummyMasterKey();
    byte[] originalPlaintext = TestFileUtil.createRandomArray(50);
    byte[] ciphertext = CipherUtil.encrypt(new ByteArrayInputStream(originalPlaintext), Arrays.asList(CipherSpecs.getCipherSpec(CipherSpecs.AES_128_GCM)), masterKey);
    // Alter header CIPHER SALT 		
    ciphertext[32] = (byte) 0xff;
    ciphertext[33] = (byte) 0xff;
    ciphertext[34] = (byte) 0xff;
    byte[] plaintext = CipherUtil.decrypt(new ByteArrayInputStream(ciphertext), masterKey);
    System.out.println(StringUtil.toHex(originalPlaintext));
    System.out.println(StringUtil.toHex(plaintext));
    fail("TEST FAILED: Ciphertext was altered without exception.");
}