Example usage for javax.crypto Cipher getInstance

List of usage examples for javax.crypto Cipher getInstance

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Introduction

In this page you can find the example usage for javax.crypto Cipher getInstance.

Prototype

public static final Cipher getInstance(String transformation)
        throws NoSuchAlgorithmException, NoSuchPaddingException

Source Link

Document

Returns a Cipher object that implements the specified transformation.

Usage

From source file:io.cloudslang.content.database.utils.TripleDES.java

static byte[] encryptString(final byte[] text) throws Exception {
    final SecretKey key = new SecretKeySpec(
            TripleDES.md5Hash("NpWsCaJQj1LaXt)YYnzr\\%zP~RydB*3YGutr*@|A\\ckG3\\Yf%k"), ENCRYPTION_KEYSPECTYPE);
    final Cipher cipher = Cipher.getInstance(ENCRYPTION_MODE);
    cipher.init(Cipher.ENCRYPT_MODE, key);
    return cipher.doFinal(text);
}

From source file:ar.gob.ambiente.servicios.gestionpersonas.entidades.util.CriptPass.java

/**
 * Mtodo para encriptar las contraseas//ww  w  . j a  v a2s  .co m
 * @param texto
 * @return 
 */
public static String encriptar(String texto) {

    String secretKey = "zorbazorbas"; //llave para encriptar datos
    String base64EncryptedString = "";

    try {

        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digestOfPassword = md.digest(secretKey.getBytes("utf-8"));
        byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);

        SecretKey key = new SecretKeySpec(keyBytes, "DESede");
        Cipher cipher = Cipher.getInstance("DESede");
        cipher.init(Cipher.ENCRYPT_MODE, key);

        byte[] plainTextBytes = texto.getBytes("utf-8");
        byte[] buf = cipher.doFinal(plainTextBytes);
        byte[] base64Bytes = Base64.encodeBase64(buf);
        base64EncryptedString = new String(base64Bytes);

    } catch (NoSuchAlgorithmException | UnsupportedEncodingException | NoSuchPaddingException
            | InvalidKeyException | IllegalBlockSizeException | BadPaddingException ex) {
        System.out.println(ex.getMessage());
    }
    return base64EncryptedString;
}

From source file:info.bonjean.beluga.util.CryptoUtil.java

private static Cipher getCipher(String strKey, boolean encoder) {
    Cipher cipher = null;//from  w  w w .  j  ava 2 s . c  o m
    if (encoder)
        cipher = encryptCiphers.get(strKey);
    else
        cipher = decryptCiphers.get(strKey);

    if (cipher != null)
        return cipher;

    try {
        SecretKeySpec key = new SecretKeySpec(strKey.getBytes(), "Blowfish");
        cipher = Cipher.getInstance("Blowfish/ECB/NoPadding");
        cipher.init(encoder ? Cipher.ENCRYPT_MODE : Cipher.DECRYPT_MODE, key);

        if (encoder)
            encryptCiphers.put(strKey, cipher);
        else
            decryptCiphers.put(strKey, cipher);
    } catch (Exception e) {
        log.error(e.getMessage(), e);
    }

    return cipher;
}

From source file:com.os.util.PasswordDecoderEncoder.java

public static String encrypt(String plainPassword) throws Exception {
    Cipher cipher = Cipher.getInstance("AES/ECB/PKCS5Padding");
    key = convertHexToBytes(keyst);//from www .  j  av  a  2 s  .co m
    final SecretKeySpec secretKey = new SecretKeySpec(key, "AES");
    cipher.init(Cipher.ENCRYPT_MODE, secretKey);
    final String encryptedString = Base64.encodeBase64String(cipher.doFinal(plainPassword.getBytes("UTF8")));
    System.out.println(encryptedString);
    String passwordEncrypted = encryptedString.trim();

    return passwordEncrypted;

}

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

public static String Encrypt(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;// www  . j  ava2 s .  c o  m
    System.arraycopy(b, 0, keyBytes, 0, len);
    SecretKeySpec keySpec = new SecretKeySpec(keyBytes, "AES");
    IvParameterSpec ivSpec = new IvParameterSpec(keyBytes);
    cipher.init(Cipher.ENCRYPT_MODE, keySpec, ivSpec);
    byte[] results = cipher.doFinal(text.getBytes("UTF-8"));

    return Base64.encodeBase64String(results);
}

From source file:com.web.mavenproject6.utility.EncryptionUtil.java

public byte[] encrypt(String input) throws GeneralSecurityException, NoSuchPaddingException {
    Cipher cipher = Cipher.getInstance("AES");
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec);
    return cipher.doFinal(input.getBytes());
}

From source file:com._64bitlabs.util.Encryptors.java

/**
 * Given AES encryption algorithm, decrypts the string value.
 * @param encryptedData/*from   ww w  .j ava2  s  .com*/
 * @return decrypted String
 */
public static String decrypt(String encryptedData) {
    Key key = generateKey();
    try {
        Cipher c = Cipher.getInstance(ALGORITHM);
        c.init(Cipher.DECRYPT_MODE, key);

        Base64 dec = new Base64();
        byte[] decodedValue = dec.decode(encryptedData.getBytes());
        byte[] decValue = c.doFinal(decodedValue);

        return new String(decValue);
    } catch (Exception e) {
        return null;
    }
}

From source file:Clases.cCifrado.java

public String Encriptar(String texto) {

    String secretKey = "MARSOFT"; //llave para encriptar datos
    String base64EncryptedString = "";

    try {/*from  ww w  . j a v  a2  s .c  o m*/

        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digestOfPassword = md.digest(secretKey.getBytes("utf-8"));
        byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);

        SecretKey key = new SecretKeySpec(keyBytes, "DESede");
        Cipher cipher = Cipher.getInstance("DESede");
        cipher.init(Cipher.ENCRYPT_MODE, key);

        byte[] plainTextBytes = texto.getBytes("utf-8");
        byte[] buf = cipher.doFinal(plainTextBytes);
        byte[] base64Bytes = Base64.encodeBase64(buf);
        base64EncryptedString = new String(base64Bytes);

    } catch (Exception ex) {

        return "Ha habido un problema enviando datos";
    }
    return base64EncryptedString;
}

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

public static String decryptLanToken(String lanTokenKey, String encryptedToken) throws Exception {

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

    bytes = Arrays.copyOf(bytes, 16);

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

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

    return new String(cipher.doFinal(Base64.decodeBase64(encryptedToken)), Charset.forName("UTF-8"));
}

From source file:com.basp.trabajo_al_minuto.model.business.BusinessSecurity.java

/**
 * Se encarga de desencriptar la contrasea ingresada por el usuario *
 *//*  w  w  w .java  2  s  .c om*/
public static String decrypt(String encryptValue) throws BusinessException {
    String secretKey = "e-business";
    String base64EncryptedString = "";

    try {
        byte[] message = Base64.decodeBase64(encryptValue.getBytes("utf-8"));
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digestOfPassword = md.digest(secretKey.getBytes("utf-8"));
        byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
        SecretKey key = new SecretKeySpec(keyBytes, "DESede");
        Cipher decipher = Cipher.getInstance("DESede");
        decipher.init(Cipher.DECRYPT_MODE, key);
        byte[] plainText = decipher.doFinal(message);
        base64EncryptedString = new String(plainText, "UTF-8");
    } catch (Exception ex) {
        throw new BusinessException(ex);
    }
    return base64EncryptedString;
}