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

Example 6 with CipherSpec

use of org.syncany.crypto.CipherSpec 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 7 with CipherSpec

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

the class CipherSpecsTest method testCipherSpecHashCodeEquals.

@Test
public void testCipherSpecHashCodeEquals() {
    CipherSpec cipherSpec1 = CipherSpecs.getCipherSpec(CipherSpecs.AES_128_GCM);
    CipherSpec cipherSpec2 = CipherSpecs.getCipherSpec(CipherSpecs.TWOFISH_128_GCM);
    assertNotSame(cipherSpec1.hashCode(), cipherSpec2.hashCode());
    assertNotSame(cipherSpec1, cipherSpec2);
    assertEquals(0x01, cipherSpec1.getId());
}

Example 8 with CipherSpec

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

the class CipherSpecsTest method testCipherSpec2.

@Test
public void testCipherSpec2() {
    CipherSpec twofish128CipherSpec = CipherSpecs.getCipherSpec(CipherSpecs.TWOFISH_128_GCM);
    assertEquals(twofish128CipherSpec.getId(), 2);
    assertEquals(twofish128CipherSpec.getAlgorithm(), "Twofish/GCM/NoPadding");
    assertEquals(twofish128CipherSpec.getKeySize(), 128);
    assertEquals(twofish128CipherSpec.getIvSize(), 128);
    assertEquals(twofish128CipherSpec.needsUnlimitedStrength(), false);
    assertNotNull(twofish128CipherSpec.toString());
}

Example 9 with CipherSpec

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

the class InitCommand method parseOptions.

@Override
public InitOperationOptions parseOptions(String[] operationArguments) throws Exception {
    InitOperationOptions operationOptions = new InitOperationOptions();
    OptionParser parser = new OptionParser();
    OptionSpec<Void> optionNoCreateTarget = parser.acceptsAll(asList("T", "no-create-target"));
    OptionSpec<Void> optionAdvanced = parser.acceptsAll(asList("a", "advanced"));
    OptionSpec<Void> optionNoCompression = parser.acceptsAll(asList("G", "no-compression"));
    OptionSpec<Void> optionNoEncryption = parser.acceptsAll(asList("E", "no-encryption"));
    OptionSpec<String> optionPlugin = parser.acceptsAll(asList("P", "plugin")).withRequiredArg();
    OptionSpec<String> optionPluginOpts = parser.acceptsAll(asList("o", "plugin-option")).withRequiredArg();
    OptionSpec<Void> optionAddDaemon = parser.acceptsAll(asList("n", "add-daemon"));
    OptionSpec<Void> optionShortUrl = parser.acceptsAll(asList("s", "short"));
    OptionSpec<Void> optionHeadlessMode = parser.acceptsAll(asList("l", "headless"));
    OptionSpec<String> optionPassword = parser.acceptsAll(asList("password")).withRequiredArg();
    OptionSet options = parser.parse(operationArguments);
    // Set interactivity mode
    isInteractive = !options.has(optionPlugin);
    // Set headless mode
    isHeadless = options.has(optionHeadlessMode);
    // Ask or set transfer settings
    TransferSettings transferSettings = createTransferSettingsFromOptions(options, optionPlugin, optionPluginOpts);
    // Some misc settings
    boolean createTargetPath = !options.has(optionNoCreateTarget);
    boolean advancedModeEnabled = options.has(optionAdvanced);
    boolean encryptionEnabled = !options.has(optionNoEncryption);
    boolean compressionEnabled = !options.has(optionNoCompression);
    // Cipher specs: --no-encryption, --advanced
    List<CipherSpec> cipherSpecs = getCipherSpecs(encryptionEnabled, advancedModeEnabled);
    // Compression: --no-compression
    // DefaultRepoTOFactory also creates default chunkers
    RepoTOFactory repoTOFactory = new DefaultRepoTOFactory(compressionEnabled, cipherSpecs);
    // Genlink options: --short
    GenlinkOperationOptions genlinkOptions = new GenlinkOperationOptions();
    genlinkOptions.setShortUrl(options.has(optionShortUrl));
    // Set repo password
    String password = validateAndGetPassword(options, optionNoEncryption, optionPassword);
    operationOptions.setPassword(password);
    // Create configTO and repoTO
    ConfigTO configTO = createConfigTO(transferSettings);
    RepoTO repoTO = repoTOFactory.createRepoTO();
    operationOptions.setLocalDir(localDir);
    operationOptions.setConfigTO(configTO);
    operationOptions.setRepoTO(repoTO);
    operationOptions.setCreateTarget(createTargetPath);
    operationOptions.setEncryptionEnabled(encryptionEnabled);
    operationOptions.setCipherSpecs(cipherSpecs);
    operationOptions.setDaemon(options.has(optionAddDaemon));
    operationOptions.setGenlinkOptions(genlinkOptions);
    return operationOptions;
}

Example 10 with CipherSpec

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

the class InitCommand method askCipherSpecs.

private List<CipherSpec> askCipherSpecs() throws Exception {
    List<CipherSpec> cipherSpecs = new ArrayList<CipherSpec>();
    Map<Integer, CipherSpec> availableCipherSpecs = CipherSpecs.getAvailableCipherSpecs();
    out.println();
    out.println("Please choose your encryption settings. If you're paranoid,");
    out.println("you can choose multiple cipher suites by separating with a comma.");
    out.println();
    out.println("Options:");
    for (CipherSpec cipherSuite : availableCipherSpecs.values()) {
        out.println(" [" + cipherSuite.getId() + "] " + cipherSuite);
    }
    out.println();
    boolean continueLoop = true;
    boolean unlimitedStrengthNeeded = false;
    while (continueLoop) {
        String commaSeparatedCipherIdStr = console.readLine("Cipher(s): ");
        String[] cipherSpecIdStrs = commaSeparatedCipherIdStr.split(",");
        // Choose cipher
        try {
            // Add cipher suites
            for (String cipherSpecIdStr : cipherSpecIdStrs) {
                Integer cipherSpecId = Integer.parseInt(cipherSpecIdStr);
                CipherSpec cipherSpec = availableCipherSpecs.get(cipherSpecId);
                if (cipherSpec == null) {
                    throw new Exception();
                }
                if (cipherSpec.needsUnlimitedStrength()) {
                    unlimitedStrengthNeeded = true;
                }
                cipherSpecs.add(cipherSpec);
            }
            // Unlimited strength
            if (unlimitedStrengthNeeded) {
                out.println();
                out.println("At least one of the chosen ciphers or key sizes might");
                out.println("not be allowed in your country.");
                out.println();
                String yesno = console.readLine("Are you sure you want to use it (y/n)? ");
                if (yesno.toLowerCase().startsWith("y")) {
                    try {
                        CipherUtil.enableUnlimitedStrength();
                    } catch (Exception e) {
                        throw new Exception("Unable to enable unlimited crypto. Check out: http://www.oracle.com/technetwork/java/javase/downloads/jce-6-download-429243.html");
                    }
                } else {
                    continue;
                }
            }
            continueLoop = false;
            break;
        } catch (Exception e) {
            out.println("ERROR: Please choose at least one valid option.");
            out.println();
            continue;
        }
    }
    return cipherSpecs;
}