Examples with SecretKey javax.crypto.SecretKey used on opensource projects

Example 11 with SecretKey

use of javax.crypto.SecretKey in project android_frameworks_base by ParanoidAndroid.

the class AndroidKeyStoreTest method testKeyStore_KeyOperations_Wrap_Encrypted_Success.

public void testKeyStore_KeyOperations_Wrap_Encrypted_Success() throws Exception {
    setupPassword();
    mKeyStore.load(null, null);
    setupKey();
    // Test key usage
    Entry e = mKeyStore.getEntry(TEST_ALIAS_1, null);
    assertNotNull(e);
    assertTrue(e instanceof PrivateKeyEntry);
    PrivateKeyEntry privEntry = (PrivateKeyEntry) e;
    PrivateKey privKey = privEntry.getPrivateKey();
    assertNotNull(privKey);
    PublicKey pubKey = privEntry.getCertificate().getPublicKey();
    Cipher c = Cipher.getInstance("RSA/ECB/PKCS1Padding");
    c.init(Cipher.WRAP_MODE, pubKey);
    byte[] expectedKey = new byte[] { 0x00, 0x05, (byte) 0xAA, (byte) 0x0A5, (byte) 0xFF, 0x55, 0x0A };
    SecretKey expectedSecret = new SecretKeySpec(expectedKey, "AES");
    byte[] wrappedExpected = c.wrap(expectedSecret);
    c.init(Cipher.UNWRAP_MODE, privKey);
    SecretKey actualSecret = (SecretKey) c.unwrap(wrappedExpected, "AES", Cipher.SECRET_KEY);
    assertEquals(Arrays.toString(expectedSecret.getEncoded()), Arrays.toString(actualSecret.getEncoded()));
}

Example 12 with SecretKey

use of javax.crypto.SecretKey in project sonarqube by SonarSource.

the class AesCipher method generateRandomSecretKey.

String generateRandomSecretKey() {
    try {
        KeyGenerator keyGen = KeyGenerator.getInstance(CRYPTO_KEY);
        keyGen.init(KEY_SIZE_IN_BITS, new SecureRandom());
        SecretKey secretKey = keyGen.generateKey();
        return Base64.encodeBase64String(secretKey.getEncoded());
    } catch (Exception e) {
        throw new IllegalStateException("Fail to generate secret key", e);
    }
}

Example 13 with SecretKey

use of javax.crypto.SecretKey in project RxCache by VictorAlbertos.

the class BuiltInEncryptor method generateSecretKey.

private SecretKeySpec generateSecretKey(String key) throws Exception {
    SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
    secureRandom.setSeed(key.getBytes("UTF-8"));
    KeyGenerator keyGenerator = KeyGenerator.getInstance("AES");
    keyGenerator.init(KEY_LENGTH, secureRandom);
    SecretKey secretKey = keyGenerator.generateKey();
    return new SecretKeySpec(secretKey.getEncoded(), "AES");
}

Example 14 with SecretKey

use of javax.crypto.SecretKey in project OpenAttestation by OpenAttestation.

the class ProvisionTPM method takeOwnership.

/**
	 * Entry point into the program
	 * @throws Exception 
	 */
public static void takeOwnership() throws Exception {
    // throws InvalidKeyException, CertificateEncodingException, UnrecoverableKeyException, NoSuchAlgorithmException, InvalidKeySpecException, SignatureException, NoSuchProviderException, KeyStoreException, CertificateException, IOException, javax.security.cert.CertificateException {
    //get properties file info
    final String OWNER_AUTH = "TpmOwnerAuth";
    final String EC_VALIDITY = "EcValidityDays";
    final String EC_STORAGE = "ecStorage";
    final String PRIVACY_CA_URL = "PrivacyCaUrl";
    final String TRUST_STORE = "TrustStore";
    final String PRIVACY_CA_CERT = "PrivacyCaCertFile";
    final String EC_LOCATION = "ecLocation";
    String ecStorage = "";
    String ecStorageFileName = "";
    String PrivacyCaUrl = "";
    int EcValidityDays = 0;
    String PrivacyCaCertFile = "";
    byte[] TpmOwnerAuth = null;
    byte[] encryptCert = null;
    byte[] pubEkMod = null;
    X509Certificate pcaCert = null;
    PublicKey publicKey = null;
    //This is for logging purpose
    String propertiesFileName = ResourceFinder.getLocation("hisprovisioner.properties");
    FileInputStream PropertyFile = null;
    String tpmOwnerAuth = "";
    String homeFolder = "";
    try {
        File propFile = ResourceFinder.getFile("hisprovisioner.properties");
        PropertyFile = new FileInputStream(propFile);
        Properties HisProvisionerProperties = new Properties();
        HisProvisionerProperties.load(new InputStreamReader(PropertyFile, "UTF-8"));
        homeFolder = propFile.getAbsolutePath();
        homeFolder = homeFolder.substring(0, homeFolder.indexOf("hisprovisioner.properties"));
        log.info("Home folder : " + homeFolder);
        EcValidityDays = Integer.parseInt(HisProvisionerProperties.getProperty(EC_VALIDITY, ""));
        tpmOwnerAuth = HisProvisionerProperties.getProperty(OWNER_AUTH, "");
        if (tpmOwnerAuth != null) {
            TpmOwnerAuth = Hex.decodeHex(tpmOwnerAuth.toCharArray());
        }
        //else if (tpmOwnerAuth.length() == 40) {
        //    log.info("owner authentication is hex code formatted");
        //    TpmOwnerAuth = TpmUtils.hexStringToByteArray(tpmOwnerAuth);
        //} else {
        //    log.info("illegal owner authentication detected! accepted owner authentication is 20 or 40 long characters");
        //}
        //TpmOwnerAuth = TpmUtils.hexStringToByteArray(HisProvisionerProperties.getProperty(OWNER_AUTH, ""));
        PrivacyCaUrl = HisProvisionerProperties.getProperty(PRIVACY_CA_URL, "");
        PrivacyCaCertFile = HisProvisionerProperties.getProperty(PRIVACY_CA_CERT, "");
        ecStorage = HisProvisionerProperties.getProperty(EC_STORAGE, "NVRAM");
        ecStorageFileName = HisProvisionerProperties.getProperty(EC_LOCATION, ".") + System.getProperty("file.separator") + "EC.cer";
        log.info("ecStorageFileName:" + ecStorageFileName);
    } catch (FileNotFoundException e) {
        throw new PrivacyCAException("Error finding HIS Provisioner properties file (HISprovisionier.properties)", e);
    } catch (IOException e) {
        throw new PrivacyCAException("Error loading HIS Provisioner properties file (HISprovisionier.properties)", e);
    } catch (NumberFormatException e) {
        throw new PrivacyCAException("Error while reading EcValidityDays", e);
    } finally {
        if (PropertyFile != null) {
            try {
                PropertyFile.close();
            } catch (IOException e) {
                log.log(Level.SEVERE, "Error while closing the property file ", e);
            }
        }
    }
    String errorString = "Properties file \"" + propertiesFileName + "\" contains errors:\n";
    boolean hasErrors = false;
    if (EcValidityDays == 0) {
        errorString += " - \"EcValidityDays\" value must be the number of validity days for the Endorsement Credential\n";
        hasErrors = true;
    }
    if (TpmOwnerAuth == null) {
        // || TpmOwnerAuth.length != 20){
        errorString += " - \"TpmOwnerAuth\" value must be set representing the TPM owner auth\n";
        hasErrors = true;
    }
    if (hasErrors) {
        throw new PrivacyCAException(errorString);
    }
    //Provision the TPM
    log.info("Performing TPM provisioning...");
    Security.addProvider(new BouncyCastleProvider());
    SecretKey deskey = TpmUtils.generateSecretKey();
    // Take Ownership
    byte[] nonce = null;
    try {
        nonce = TpmUtils.createRandomBytes(20);
        TpmModule.takeOwnership(TpmOwnerAuth, nonce);
    } catch (TpmModuleException e) {
        if (e.toString().contains(".takeOwnership returned nonzero error: 4")) {
            Logger.getLogger(ProvisionTPM.class.getName()).info("Ownership is already taken : ");
            if (!System.getProperty("forceCreateEk", "false").equals("true")) {
                // feature to help with bug #554 and allow admin to force creating an ek (in case it failed the first time due to a non-tpm error such as java missing classes exception
                return;
            }
        } else
            throw e;
    } catch (IOException e) {
        e.printStackTrace();
    }
    // Create Endorsement Certificate
    try {
        nonce = TpmUtils.createRandomBytes(20);
        pubEkMod = TpmModule.getEndorsementKeyModulus(TpmOwnerAuth, nonce);
    } catch (TpmModuleException e) {
        System.out.println("Error getting PubEK: " + e.toString());
    } catch (Exception e) {
        System.out.println("Error getting PubEK: " + e.toString());
    }
    try {
        pcaCert = TpmUtils.certFromFile(homeFolder + PrivacyCaCertFile);
        if (pcaCert != null) {
            publicKey = (RSAPublicKey) pcaCert.getPublicKey();
        }
    } catch (Exception e) {
        System.out.println("print out error message: " + e.toString());
        e.printStackTrace();
    }
    try {
        IHisPrivacyCAWebService2 hisPrivacyCAWebService2 = HisPrivacyCAWebServices2ClientInvoker.getHisPrivacyCAWebService2(PrivacyCaUrl);
        encryptCert = hisPrivacyCAWebService2.requestGetEC(TpmUtils.encryptDES(pubEkMod, deskey), TpmUtils.encryptRSA(deskey.getEncoded(), publicKey), EcValidityDays);
    } catch (Exception e) {
        System.out.println("FAILED");
        e.printStackTrace();
        System.exit(1);
    }
    //Decrypt and generate endorsement certificate 
    X509Certificate ekCert = null;
    try {
        if (encryptCert != null) {
            ekCert = TpmUtils.certFromBytes(TpmUtils.decryptDES(encryptCert, deskey));
        }
    } catch (java.security.cert.CertificateException e) {
        e.printStackTrace();
    } catch (CertificateException e) {
        e.printStackTrace();
    } catch (Exception e) {
        e.printStackTrace();
    }
    // Store the new EC in NV-RAM or in the file
    try {
        if (ecStorage.equalsIgnoreCase("file")) {
            File ecFile = new File(ecStorageFileName);
            FileOutputStream ecFileOut = new FileOutputStream(ecFile);
            ecFileOut.write(ekCert.getEncoded());
            ecFileOut.flush();
            ecFileOut.close();
        } else {
            TpmModule.setCredential(TpmOwnerAuth, "EC", ekCert.getEncoded());
        }
        System.out.println(ekCert.getEncoded().length);
    } catch (TpmModuleException e) {
        System.out.println("Error getting PubEK: " + e.toString());
    } catch (CertificateEncodingException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    System.out.println("DONE");
    //System.exit(0);
    return;
}

Example 15 with SecretKey

use of javax.crypto.SecretKey in project Signal-Android by WhisperSystems.

the class MasterSecretUtil method getCipherFromPassphrase.

private static Cipher getCipherFromPassphrase(String passphrase, byte[] salt, int iterations, int opMode) throws GeneralSecurityException {
    SecretKey key = getKeyFromPassphrase(passphrase, salt, iterations);
    Cipher cipher = Cipher.getInstance(key.getAlgorithm());
    cipher.init(opMode, key, new PBEParameterSpec(salt, iterations));
    return cipher;
}