Examples with IvParameterSpec javax.crypto.spec.IvParameterSpec used on opensource projects

Example 6 with IvParameterSpec

use of javax.crypto.spec.IvParameterSpec in project UltimateAndroid by cymcsg.

the class TripleDES method decrypt.

/**
     * Decrypt the message with TripleDES
     *
     * @param message
     * @return
     * @throws Exception
     */
public static String decrypt(byte[] message) throws Exception {
    byte[] values = Base64decodingByte(message, 0);
    final MessageDigest md = MessageDigest.getInstance("SHA-1");
    final byte[] digestOfPassword = md.digest(token.getBytes("utf-8"));
    final byte[] keyBytes = copyOf(digestOfPassword, 24);
    for (int j = 0, k = 16; j < 8; ) {
        keyBytes[k++] = keyBytes[j++];
    }
    final SecretKey key = new SecretKeySpec(keyBytes, "DESede");
    String s1 = "12345678";
    byte[] bytes = s1.getBytes();
    final IvParameterSpec iv = new IvParameterSpec(bytes);
    final Cipher decipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
    decipher.init(Cipher.DECRYPT_MODE, key, iv);
    final byte[] plainText = decipher.doFinal(values);
    return new String(plainText, "UTF-8");
}

Example 7 with IvParameterSpec

use of javax.crypto.spec.IvParameterSpec in project UltimateAndroid by cymcsg.

the class TripleDES method decrypt.

/**
     * Decrypt the message with TripleDES
     *
     * @param message
     * @return
     * @throws Exception
     */
public static String decrypt(String message) throws Exception {
    if (message == null || message == "")
        return "";
    byte[] values = Base64decoding(message, 0);
    final MessageDigest md = MessageDigest.getInstance("SHA-1");
    final byte[] digestOfPassword = md.digest(token.getBytes("utf-8"));
    final byte[] keyBytes = copyOf(digestOfPassword, 24);
    for (int j = 0, k = 16; j < 8; ) {
        keyBytes[k++] = keyBytes[j++];
    }
    final SecretKey key = new SecretKeySpec(keyBytes, "DESede");
    String s1 = "12345678";
    byte[] bytes = s1.getBytes();
    final IvParameterSpec iv = new IvParameterSpec(bytes);
    final Cipher decipher = Cipher.getInstance("DESede/CBC/PKCS5Padding");
    decipher.init(Cipher.DECRYPT_MODE, key, iv);
    final byte[] plainText = decipher.doFinal(values);
    return new String(plainText, "UTF-8");
}

Example 8 with IvParameterSpec

use of javax.crypto.spec.IvParameterSpec 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);
    }
}

Example 9 with IvParameterSpec

use of javax.crypto.spec.IvParameterSpec in project android_frameworks_base by ParanoidAndroid.

the class ContainerEncryptionParamsTest method testEquals_DataEnd_Failure.

public void testEquals_DataEnd_Failure() throws Exception {
    ContainerEncryptionParams params1 = new ContainerEncryptionParams(ENC_ALGORITHM, ENC_PARAMS, ENC_KEY, MAC_ALGORITHM, null, MAC_KEY, MAC_TAG, AUTHENTICATED_START, ENCRYPTED_START, DATA_END);
    ContainerEncryptionParams params2 = new ContainerEncryptionParams(new String(ENC_ALGORITHM), new IvParameterSpec(IV_BYTES.clone()), new SecretKeySpec(ENC_KEY_BYTES.clone(), "RAW"), new String(MAC_ALGORITHM), null, new SecretKeySpec(MAC_KEY_BYTES.clone(), "RAW"), MAC_TAG, AUTHENTICATED_START, ENCRYPTED_START, DATA_END + 1);
    assertFalse(params1.equals(params2));
}

Example 10 with IvParameterSpec

use of javax.crypto.spec.IvParameterSpec in project android_frameworks_base by ParanoidAndroid.

the class ContainerEncryptionParamsTest method testHashCode_EncAlgo_Failure.

public void testHashCode_EncAlgo_Failure() throws Exception {
    ContainerEncryptionParams params1 = new ContainerEncryptionParams(ENC_ALGORITHM, ENC_PARAMS, ENC_KEY, MAC_ALGORITHM, null, MAC_KEY, MAC_TAG, AUTHENTICATED_START, ENCRYPTED_START, DATA_END);
    ContainerEncryptionParams params2 = new ContainerEncryptionParams(new String("AES-256/CBC/PKCS7Padding"), new IvParameterSpec(IV_BYTES.clone()), new SecretKeySpec(ENC_KEY_BYTES.clone(), "RAW"), new String(MAC_ALGORITHM), null, new SecretKeySpec(MAC_KEY_BYTES.clone(), "RAW"), MAC_TAG, AUTHENTICATED_START, ENCRYPTED_START, DATA_END);
    assertFalse(params1.hashCode() == params2.hashCode());
}