Example usage for javax.crypto.spec SecretKeySpec SecretKeySpec

List of usage examples for javax.crypto.spec SecretKeySpec SecretKeySpec

  1. HOME
  2. Java
  3. javax
  4. javax.crypto.spec.*
  5. SecretKeySpec
  6. 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.ad.mediasharing.tvmclient.AESEncryption.java

private static SecretKeySpec getKey(String key) throws Exception {
    return new SecretKeySpec(Hex.decodeHex(key.toCharArray()), "AES");
}

From source file:BD.Encriptador.java

public static String Desencriptar(String textoEncriptado) throws Exception {

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

    try {/*from  ww w. ja va 2s  . c o  m*/
        byte[] message = Base64.decodeBase64(textoEncriptado.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) {
    }
    return base64EncryptedString;
}

From source file:Conexion.newClass.java

public String encode(String texto) throws EncoderException {
    String secretKey = "mailEncrypted"; //llave para encriptar datos
    String base64EncryptedString = "";

    try {/*www. j av a2 s. co 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 base64EncryptedString;
}

From source file:com.enviosya.client.tool.Tool.java

public String Encriptar(String texto) {

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

    try {/*from  w ww . j  a  v  a 2 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 e) {
        //Ac tengo que agregar el retorno de la exception
    }
    return base64EncryptedString;
}

From source file:it.geosolutions.figis.persistence.dao.util.PwEncoder.java

/**
 * Encoding the password on base64/*from   ww  w  .  j  av a2s .c o m*/
 * @param msg
 * @return
 */
public static String encode(String msg) {
    try {
        SecretKeySpec keySpec = new SecretKeySpec(KEY, "AES");
        Cipher cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.ENCRYPT_MODE, keySpec);

        byte[] input = msg.getBytes();
        byte[] encrypted = cipher.doFinal(input);
        byte[] output = Base64.encodeBase64(encrypted);

        return new String(output);
    } catch (NoSuchAlgorithmException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (NoSuchPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (IllegalBlockSizeException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (BadPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (InvalidKeyException ex) {
        throw new RuntimeException("Error while encoding", ex);
    }
}

From source file:com.sv.udb.controlador.CtrlContras.java

public String encrypt(String cleartext) throws Exception {
    Cipher cipher = Cipher.getInstance(cI);
    SecretKeySpec skeySpec = new SecretKeySpec(key.getBytes(), alg);
    IvParameterSpec ivParameterSpec = new IvParameterSpec(iv.getBytes());
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec, ivParameterSpec);
    byte[] encrypted = cipher.doFinal(cleartext.getBytes());
    return new String(encodeBase64(encrypted));
}

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:com.jk.security.JKEncDec.java

/**
 * Encrypt.//from w w  w  . j  a  va  2  s.  com
 *
 * @param plainText
 *            the plain text
 * @return the string
 */
public static String encrypt(String plainText) {
    try {
        plainText = fixText(plainText);
        Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding", "SunJCE");
        SecretKeySpec key = new SecretKeySpec(encryptionKey.getBytes("UTF-8"), "AES");
        cipher.init(Cipher.ENCRYPT_MODE, key, new IvParameterSpec(IV.getBytes("UTF-8")));
        return toString(cipher.doFinal(plainText.getBytes("UTF-8")));
    } catch (Exception e) {
        throw new JKSecurityException(e);
    }
}

From source file:com.salesmanager.core.util.EncryptionUtil.java

public static String decrypt(String key, String value) throws Exception {

    if (value == null || value.equals(""))
        return "";

    // NEED TO UNDERSTAND WHY PKCS5Padding DOES NOT WORK
    // Cipher cipher = Cipher.getInstance("AES/CBC/NoPadding");
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    SecretKeySpec keySpec = new SecretKeySpec(key.getBytes(), "AES");
    IvParameterSpec ivSpec = new IvParameterSpec("fedcba9876543210".getBytes());
    cipher.init(Cipher.DECRYPT_MODE, keySpec, ivSpec);
    byte[] outText;
    outText = cipher.doFinal(hexToBytes(value));
    return new String(outText);

}

From source file:controlpac.EncryptHelper.java

public static String Desencriptar(String textoEncriptado) {
    String base64EncryptedString = "";
    try {/*  w w  w  .  j  a  v a2s .  co  m*/
        byte[] message = Base64.decodeBase64(textoEncriptado.getBytes("utf-8"));//Desencodea el texto en base64
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digestOfPassword = md.digest(secretKey.getBytes("utf-8")); //Crea un hash con la clave elegida
        byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);
        SecretKey key = new SecretKeySpec(keyBytes, "DESede");//Crea la clave 
        Cipher decipher = Cipher.getInstance("DESede");
        decipher.init(Cipher.DECRYPT_MODE, key); //Inicia el descifrado
        byte[] plainText = decipher.doFinal(message);//Descifra el texto
        base64EncryptedString = new String(plainText, "UTF-8");
    } catch (Exception ex) {
    }
    return base64EncryptedString;
}