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

Example 51 with SecretKey

use of javax.crypto.SecretKey in project DataX by alibaba.

the class DESCipher method decrypt.

/**
	 * 　　* 解密
	 *
	 * 　　*
	 *
	 * 　　* @param src
	 *
	 * 　　* 密文(字节)
	 *
	 * 　　* @param key
	 *
	 * 　　* 密钥，长度必须是8的倍数
	 *
	 * 　　* @return 明文(字节)
	 *
	 * 　　* @throws Exception
	 *
	 * 　　
	 */
public static byte[] decrypt(byte[] src, byte[] key) throws Exception {
    // DES算法要求有一个可信任的随机数源
    SecureRandom sr = new SecureRandom();
    // 从原始密匙数据创建一个DESKeySpec对象
    DESKeySpec dks = new DESKeySpec(key);
    // 创建一个密匙工厂，然后用它把DESKeySpec对象转换成
    // 一个SecretKey对象
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
    SecretKey securekey = keyFactory.generateSecret(dks);
    // Cipher对象实际完成解密操作
    Cipher cipher = Cipher.getInstance(DES);
    // 用密匙初始化Cipher对象
    cipher.init(Cipher.DECRYPT_MODE, securekey, sr);
    return cipher.doFinal(src);
}

Example 52 with SecretKey

use of javax.crypto.SecretKey in project DataX by alibaba.

the class DESCipher method encrypt.

/**
	 * 　　* 加密
	 *
	 * 　　*
	 *
	 * 　　* @param src
	 *
	 * 　　* 明文(字节)
	 *
	 * 　　* @param key
	 *
	 * 　　* 密钥，长度必须是8的倍数
	 *
	 * 　　* @return 密文(字节)
	 *
	 * 　　* @throws Exception
	 *
	 * 　　
	 */
public static byte[] encrypt(byte[] src, byte[] key) throws Exception {
    // DES算法要求有一个可信任的随机数源
    SecureRandom sr = new SecureRandom();
    // 从原始密匙数据创建DESKeySpec对象
    DESKeySpec dks = new DESKeySpec(key);
    // 创建一个密匙工厂，然后用它把DESKeySpec转换成
    // 一个SecretKey对象
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
    SecretKey securekey = keyFactory.generateSecret(dks);
    // Cipher对象实际完成加密操作
    Cipher cipher = Cipher.getInstance(DES);
    // 用密匙初始化Cipher对象
    cipher.init(Cipher.ENCRYPT_MODE, securekey, sr);
    return cipher.doFinal(src);
}

Example 53 with SecretKey

use of javax.crypto.SecretKey in project DataX by alibaba.

the class DESCipher method decrypt.

/**
	 * 　　* 解密
	 *
	 * 　　*
	 *
	 * 　　* @param src
	 *
	 * 　　* 密文(字节)
	 *
	 * 　　* @param key
	 *
	 * 　　* 密钥，长度必须是8的倍数
	 *
	 * 　　* @return 明文(字节)
	 *
	 * 　　* @throws Exception
	 *
	 * 　　
	 */
public static byte[] decrypt(byte[] src, byte[] key) throws Exception {
    // DES算法要求有一个可信任的随机数源
    SecureRandom sr = new SecureRandom();
    // 从原始密匙数据创建一个DESKeySpec对象
    DESKeySpec dks = new DESKeySpec(key);
    // 创建一个密匙工厂，然后用它把DESKeySpec对象转换成
    // 一个SecretKey对象
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
    SecretKey securekey = keyFactory.generateSecret(dks);
    // Cipher对象实际完成解密操作
    Cipher cipher = Cipher.getInstance(DES);
    // 用密匙初始化Cipher对象
    cipher.init(Cipher.DECRYPT_MODE, securekey, sr);
    return cipher.doFinal(src);
}

Example 54 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 55 with SecretKey

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

the class Pm method runInstall.

private void runInstall() {
    int installFlags = PackageManager.INSTALL_ALL_USERS;
    String installerPackageName = null;
    String opt;
    String algo = null;
    byte[] iv = null;
    byte[] key = null;
    String macAlgo = null;
    byte[] macKey = null;
    byte[] tag = null;
    String originatingUriString = null;
    String referrer = null;
    while ((opt = nextOption()) != null) {
        if (opt.equals("-l")) {
            installFlags |= PackageManager.INSTALL_FORWARD_LOCK;
        } else if (opt.equals("-r")) {
            installFlags |= PackageManager.INSTALL_REPLACE_EXISTING;
        } else if (opt.equals("-i")) {
            installerPackageName = nextOptionData();
            if (installerPackageName == null) {
                System.err.println("Error: no value specified for -i");
                return;
            }
        } else if (opt.equals("-t")) {
            installFlags |= PackageManager.INSTALL_ALLOW_TEST;
        } else if (opt.equals("-s")) {
            // Override if -s option is specified.
            installFlags |= PackageManager.INSTALL_EXTERNAL;
        } else if (opt.equals("-f")) {
            // Override if -s option is specified.
            installFlags |= PackageManager.INSTALL_INTERNAL;
        } else if (opt.equals("-d")) {
            installFlags |= PackageManager.INSTALL_ALLOW_DOWNGRADE;
        } else if (opt.equals("--algo")) {
            algo = nextOptionData();
            if (algo == null) {
                System.err.println("Error: must supply argument for --algo");
                return;
            }
        } else if (opt.equals("--iv")) {
            iv = hexToBytes(nextOptionData());
            if (iv == null) {
                System.err.println("Error: must supply argument for --iv");
                return;
            }
        } else if (opt.equals("--key")) {
            key = hexToBytes(nextOptionData());
            if (key == null) {
                System.err.println("Error: must supply argument for --key");
                return;
            }
        } else if (opt.equals("--macalgo")) {
            macAlgo = nextOptionData();
            if (macAlgo == null) {
                System.err.println("Error: must supply argument for --macalgo");
                return;
            }
        } else if (opt.equals("--mackey")) {
            macKey = hexToBytes(nextOptionData());
            if (macKey == null) {
                System.err.println("Error: must supply argument for --mackey");
                return;
            }
        } else if (opt.equals("--tag")) {
            tag = hexToBytes(nextOptionData());
            if (tag == null) {
                System.err.println("Error: must supply argument for --tag");
                return;
            }
        } else if (opt.equals("--originating-uri")) {
            originatingUriString = nextOptionData();
            if (originatingUriString == null) {
                System.err.println("Error: must supply argument for --originating-uri");
                return;
            }
        } else if (opt.equals("--referrer")) {
            referrer = nextOptionData();
            if (referrer == null) {
                System.err.println("Error: must supply argument for --referrer");
                return;
            }
        } else {
            System.err.println("Error: Unknown option: " + opt);
            return;
        }
    }
    final ContainerEncryptionParams encryptionParams;
    if (algo != null || iv != null || key != null || macAlgo != null || macKey != null || tag != null) {
        if (algo == null || iv == null || key == null) {
            System.err.println("Error: all of --algo, --iv, and --key must be specified");
            return;
        }
        if (macAlgo != null || macKey != null || tag != null) {
            if (macAlgo == null || macKey == null || tag == null) {
                System.err.println("Error: all of --macalgo, --mackey, and --tag must " + "be specified");
                return;
            }
        }
        try {
            final SecretKey encKey = new SecretKeySpec(key, "RAW");
            final SecretKey macSecretKey;
            if (macKey == null || macKey.length == 0) {
                macSecretKey = null;
            } else {
                macSecretKey = new SecretKeySpec(macKey, "RAW");
            }
            encryptionParams = new ContainerEncryptionParams(algo, new IvParameterSpec(iv), encKey, macAlgo, null, macSecretKey, tag, -1, -1, -1);
        } catch (InvalidAlgorithmParameterException e) {
            e.printStackTrace();
            return;
        }
    } else {
        encryptionParams = null;
    }
    final Uri apkURI;
    final Uri verificationURI;
    final Uri originatingURI;
    final Uri referrerURI;
    if (originatingUriString != null) {
        originatingURI = Uri.parse(originatingUriString);
    } else {
        originatingURI = null;
    }
    if (referrer != null) {
        referrerURI = Uri.parse(referrer);
    } else {
        referrerURI = null;
    }
    // Populate apkURI, must be present
    final String apkFilePath = nextArg();
    System.err.println("\tpkg: " + apkFilePath);
    if (apkFilePath != null) {
        apkURI = Uri.fromFile(new File(apkFilePath));
    } else {
        System.err.println("Error: no package specified");
        return;
    }
    // Populate verificationURI, optionally present
    final String verificationFilePath = nextArg();
    if (verificationFilePath != null) {
        System.err.println("\tver: " + verificationFilePath);
        verificationURI = Uri.fromFile(new File(verificationFilePath));
    } else {
        verificationURI = null;
    }
    PackageInstallObserver obs = new PackageInstallObserver();
    try {
        VerificationParams verificationParams = new VerificationParams(verificationURI, originatingURI, referrerURI, VerificationParams.NO_UID, null);
        mPm.installPackageWithVerificationAndEncryption(apkURI, obs, installFlags, installerPackageName, verificationParams, encryptionParams);
        synchronized (obs) {
            while (!obs.finished) {
                try {
                    obs.wait();
                } catch (InterruptedException e) {
                }
            }
            if (obs.result == PackageManager.INSTALL_SUCCEEDED) {
                System.out.println("Success");
            } else {
                System.err.println("Failure [" + installFailureToString(obs.result) + "]");
            }
        }
    } catch (RemoteException e) {
        System.err.println(e.toString());
        System.err.println(PM_NOT_RUNNING_ERR);
    }
}