Example usage for javax.crypto.spec SecretKeySpec SecretKeySpec

Introduction

In this page you can find the example usage for javax.crypto.spec SecretKeySpec SecretKeySpec.

Prototype

public SecretKeySpec(byte[] key, String algorithm)

Source Link

Document

Constructs a secret key from the given byte array.

Usage

From source file:com.liferay.sync.engine.lan.util.LanTokenUtil.java

public static String createEncryptedToken(String lanTokenKey) throws Exception {

    String lanToken = RandomStringUtils.random(32, 0, 0, true, true, null, _secureRandom);

    byte[] bytes = DigestUtils.sha1(lanTokenKey);

    bytes = Arrays.copyOf(bytes, 16);

    Cipher cipher = Cipher.getInstance("AES");

    cipher.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(bytes, "AES"));

    String encryptedToken = Base64
            .encodeBase64String(cipher.doFinal(lanToken.getBytes(Charset.forName("UTF-8"))));

    _lanTokens.add(lanToken);/*from  w  w w.  j a v a 2  s  .  co  m*/

    return encryptedToken;
}

From source file:cn.org.once.cstack.utils.CustomPasswordEncoder.java

private static Key generateKey() throws Exception {
    Key key = new SecretKeySpec(keyValue, ALGO);
    return key;/*from   w  w w. ja v  a  2  s  .  c om*/
}

From source file:com.gmu.uav.RadioSecurity.java

public static String hmacSha1(String value, byte[] key) {
    try {//from w w  w. j av a 2s .c om
        // Get an hmac_sha1 key from the raw key bytes    
        SecretKeySpec signingKey = new SecretKeySpec(key, "HmacSHA1");

        // Get an hmac_sha1 Mac instance and initialize with the signing key
        Mac mac = Mac.getInstance("HmacSHA1");
        mac.init(signingKey);

        // Compute the hmac on input data bytes
        byte[] rawHmac = mac.doFinal(value.getBytes());

        // Convert raw bytes to Hex
        byte[] hexBytes = new Hex().encode(rawHmac);

        //  Covert array of Hex bytes to a String
        return new String(hexBytes, "UTF-8");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.kylinolap.rest.security.PasswordPlaceholderConfigurer.java

public static String encrypt(String strToEncrypt) {
    try {//from w  w  w . j  a va2s .c o  m
        Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
        final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
        cipher.init(Cipher.ENCRYPT_MODE, secretKey);
        final String encryptedString = Base64.encodeBase64String(cipher.doFinal(strToEncrypt.getBytes()));
        return encryptedString;
    } catch (Exception e) {
    }
    return null;

}

From source file:com.ro.ssc.app.client.licensing.TrialKeyValidator.java

public static String decodeKey(String encodedEncrypted) {
    String decoded = "";
    try {//  w w w .  j  a va  2  s . c  o  m
        byte[] saltDecrypt = SALT_DECRYPT.getBytes(StandardCharsets.UTF_8);
        SecretKeyFactory factoryKeyDecrypt = SecretKeyFactory.getInstance(SECRET_KEY_FACTORY);
        SecretKey tmp2 = factoryKeyDecrypt.generateSecret(
                new PBEKeySpec(PASS_DECRYPT.toCharArray(), saltDecrypt, ITERATIONS_DECRYPT, KEY_LENGTH));
        SecretKeySpec decryptKey = new SecretKeySpec(tmp2.getEncoded(), ALGORITHM);
        Cipher aesCipherDecrypt = Cipher.getInstance(CIPHER);
        aesCipherDecrypt.init(Cipher.DECRYPT_MODE, decryptKey);
        byte[] e64bytes = StringUtils.getBytesUtf8(encodedEncrypted);
        byte[] eBytes = Base64.decodeBase64(e64bytes);
        byte[] cipherDecode = aesCipherDecrypt.doFinal(eBytes);
        decoded = StringUtils.newStringUtf8(cipherDecode);
    } catch (Exception e) {
        LOGGER.error("Error while decoding the trial key", e);
    }
    return decoded;
}

From source file:Main.java

private static byte[] encrypt(byte[] raw, byte[] clear) throws Exception {
    SecretKeySpec skeySpec = new SecretKeySpec(raw, "AES");
    Cipher cipher = Cipher.getInstance("AES");
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
    byte[] encrypted = cipher.doFinal(clear);
    return encrypted;
}

From source file:com.aerohive.nms.engine.admin.task.licensemgr.license.processor2.PacketUtil.java

private static byte[] decryptData(byte[] bInput) {
    byte[] outBytes = null;
    try {/*w  w  w  .  j  a v a 2s .c o m*/
        Key key = new SecretKeySpec(secret_key, "DESede");

        Cipher cipher = Cipher.getInstance("DESede", "SunJCE");

        cipher.init(Cipher.DECRYPT_MODE, key, cipher.getParameters());

        outBytes = cipher.doFinal(bInput);

    } catch (Exception ex) {
        //log.error("PacketUtil",ex.getMessage(), ex);
        return outBytes;
    }

    return outBytes;
}

From source file:com.imaginary.home.cloud.Configuration.java

static public @Nonnull String decrypt(@Nonnull String keySalt, @Nonnull String value) {
    try {//from  w  w  w .j a v a 2 s  . c  o m
        SecretKeySpec spec = new SecretKeySpec(getConfiguration().getCustomSalt(keySalt), "AES");
        Cipher cipher = Cipher.getInstance("AES");

        cipher.init(Cipher.DECRYPT_MODE, spec);

        byte[] b64 = value.getBytes("utf-8");
        byte[] raw = Base64.decodeBase64(b64);
        byte[] decrypted = cipher.doFinal(raw);
        return new String(decrypted, "utf-8");
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

From source file:com.hp.application.automation.tools.EncryptionUtils.java

public static String Decrypt(String text, String key) throws Exception {

    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    byte[] keyBytes = new byte[16];
    byte[] b = key.getBytes("UTF-8");
    int len = b.length;
    if (len > keyBytes.length)
        len = keyBytes.length;/*from  w w w. j  av  a 2s.  c  o m*/
    System.arraycopy(b, 0, keyBytes, 0, len);
    SecretKeySpec keySpec = new SecretKeySpec(keyBytes, "AES");
    IvParameterSpec ivSpec = new IvParameterSpec(keyBytes);
    cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
    byte[] results = cipher.doFinal(Base64.decodeBase64(text));

    return new String(results, "UTF-8");
}

From source file:com.jsmartframework.web.manager.CsrfEncrypter.java

private static Cipher getEncryptCipher(HttpServletRequest request, String key) throws Exception {
    Cipher encryptCipher = (Cipher) request.getAttribute(REQUEST_CSRF_ENCRYPT_CIPHER);
    if (encryptCipher == null) {
        encryptCipher = Cipher.getInstance("AES");
        SecretKey secretKey = new SecretKeySpec(key.getBytes("UTF8"), "AES");
        encryptCipher.init(Cipher.ENCRYPT_MODE, secretKey);
        request.setAttribute(REQUEST_CSRF_ENCRYPT_CIPHER, encryptCipher);
    }/*from  w w  w .j  a v  a  2 s . c o  m*/
    return encryptCipher;
}