Examples with PasswordCache i2p.bote.fileencryption.PasswordCache used on opensource projects

Example 6 with PasswordCache

use of i2p.bote.fileencryption.PasswordCache in project i2p.i2p-bote by i2p.

the class PasswordCacheTest method testGetKey.

@Test
public void testGetKey() throws IOException, GeneralSecurityException {
    passwordCache.setPassword(PASSWORD);
    DerivedKey derivedKey = passwordCache.getKey();
    assertEquals(derivedKey.scryptParams, FileEncryptionConstants.KDF_PARAMETERS);
    byte[] expectedKey = FileEncryptionUtil.getEncryptionKey(PASSWORD, derivedKey.salt, derivedKey.scryptParams);
    assertArrayEquals(expectedKey, derivedKey.key);
    // verify that the salt was cached in a file and is reused
    PasswordCache newPasswordCache = TestUtil.createPasswordCache(testDir);
    newPasswordCache = TestUtil.createPasswordCache(testDir);
    newPasswordCache.setPassword(PASSWORD);
    byte[] oldSalt = derivedKey.salt;
    byte[] newSalt = passwordCache.getKey().salt;
    assertArrayEquals(oldSalt, newSalt);
    // delete the cache file, clear the derived key, and verify that a new salt is generated
    Configuration configuration = TestUtil.createConfiguration(testDir);
    File derivParamsFile = configuration.getKeyDerivationParametersFile();
    boolean deleted = derivParamsFile.delete();
    assertTrue("Can't delete derivation parameters cache file: <" + derivParamsFile.getAbsolutePath() + ">", deleted);
    // clear the key
    passwordCache.setPassword(PASSWORD);
    newSalt = passwordCache.getKey().salt;
    assertFalse(Arrays.equals(oldSalt, newSalt));
}

Example 7 with PasswordCache

use of i2p.bote.fileencryption.PasswordCache in project i2p.i2p-bote by i2p.

the class ExportableData method export.

public void export(OutputStream exportStream, String password) throws IOException, GeneralSecurityException, PasswordException {
    initializeIfNeeded();
    OutputStreamWriter writer;
    if (password != null) {
        // Use same salt and parameters as the on-disk files
        PasswordCache cache = new PasswordCache(I2PBote.getInstance().getConfiguration());
        cache.setPassword(password.getBytes());
        DerivedKey derivedKey = cache.getKey();
        writer = new OutputStreamWriter(new EncryptedOutputStream(exportStream, derivedKey), "UTF-8");
    } else
        writer = new OutputStreamWriter(exportStream, "UTF-8");
    Properties properties = saveToProperties();
    properties.store(writer, null);
    // If a password was provided, this call triggers the encryption
    writer.close();
}