Example usage for javax.crypto Cipher ENCRYPT_MODE

Introduction

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

Prototype

int ENCRYPT_MODE

To view the source code for javax.crypto Cipher ENCRYPT_MODE.

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Document

Constant used to initialize cipher to encryption mode.

Usage

From source file:ec.edu.uce.medicina.seguimiento.util.EncryptionUtility.java

/**
 *Mtodo que permite la encriptacin de la contrasea.
 * @param cleartext//from   ww  w .  j  a  v  a  2  s  . c o  m
 * @return
 * @throws java.lang.Exception
 */
public static String encrypt(String cleartext) throws Exception {
    String key = "02AE31B79CCCB2A3"; //llave
    String iv = "0123456789ABCDEF";
    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));
}

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From source file:com.aspose.showcase.qrcodegen.web.api.util.StringEncryptor.java

public static String encrypt(String data, String password) throws Exception {

    Security.addProvider(new BouncyCastleProvider());
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding", "BC");

    final Random r = new SecureRandom();
    byte[] salt = new byte[SALT_SIZE];
    r.nextBytes(salt);/*  w w w  . j av  a 2s .  c  om*/

    SecretKeyFactory fact = SecretKeyFactory.getInstance("PBEWITHMD5AND128BITAES-CBC-OPENSSL", "BC");

    cipher.init(Cipher.ENCRYPT_MODE,
            fact.generateSecret(new PBEKeySpec(password.toCharArray(), salt, PBE_KEY_SALE_SIZE)));

    byte[] encVal = cipher.doFinal(data.getBytes());

    ByteArrayOutputStream bos = new ByteArrayOutputStream();
    // writing encrypted data along with the salt in the format readable by
    // open ssl api
    bos.write("Salted__".getBytes());
    bos.write(salt);
    bos.write(encVal);
    String encryptedValue = new String(Base64.encode(bos.toByteArray()));
    bos.close();

    return encryptedValue;

}

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From source file:edu.tufts.vue.util.Encryption.java

public static String encrypt(String input) {
    try {/*from   w  w w  .j a va  2 s.  c om*/
        if (cipher == null)
            cipher = Cipher.getInstance(algorithm);
        cipher.init(Cipher.ENCRYPT_MODE, getKey());
        byte[] inputBytes = input.getBytes();
        byte[] outputBytes = cipher.doFinal(inputBytes);
        String output = new String(hex.encode(outputBytes));
        return output;
    } catch (Exception ex) {
        ex.printStackTrace();
        return input;
    }
}

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From source file:com.jopss.logico.negocio.util.CriptoUtils.java

public static String desEncode(String texto, String chave) {
    Cipher ecipher;/*  w ww .ja  v  a2  s.  c  om*/
    SecretKey key;
    String encod = null;
    try {
        key = new SecretKeySpec(chave.getBytes("UTF-8"), 0, 8, "DES");
        ecipher = Cipher.getInstance("DES");
        ecipher.init(Cipher.ENCRYPT_MODE, key);

        byte[] utf8 = texto.getBytes("UTF8");
        byte[] crip = ecipher.doFinal(utf8);
        encod = new String(Hex.encodeHex(crip));

    } catch (Exception e) {
        log.error(e);
    }

    return encod;
}

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From source file:de.fhdo.helper.DES.java

public static String encrypt(String Text) {
    try {//w  w  w  .  ja va  2  s. c  om
        DESKeySpec keySpec = new DESKeySpec("schluessel_stdrepository15".getBytes("UTF8"));
        SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
        SecretKey key = keyFactory.generateSecret(keySpec);

        // ENCODE plainTextPassword String
        byte[] cleartext = Text.getBytes("UTF8");
        Cipher cipher = Cipher.getInstance("DES");
        // cipher is not thread safe
        cipher.init(Cipher.ENCRYPT_MODE, key);
        return Base64.encodeBase64URLSafeString(cipher.doFinal(cleartext));

    } catch (Exception e) {
        e.printStackTrace();
    }

    return "";
}

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From source file:Main.java

public static byte[] getRSAEncryptedData(byte[] dataWithHash) {
    BigInteger modulus = new BigInteger(
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
            16);/*from   w  w w  .ja  va  2  s. co  m*/
    BigInteger pubExp = new BigInteger("010001", 16);

    KeyFactory keyFactory = null;
    try {
        keyFactory = KeyFactory.getInstance("RSA");
        RSAPublicKeySpec pubKeySpec = new RSAPublicKeySpec(modulus, pubExp);
        RSAPublicKey key = (RSAPublicKey) keyFactory.generatePublic(pubKeySpec);

        Cipher cipher = Cipher.getInstance("RSA/ECB/NoPadding");
        cipher.init(Cipher.ENCRYPT_MODE, key);
        byte[] cipherData = cipher.doFinal(dataWithHash);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (IllegalBlockSizeException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (InvalidKeyException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (BadPaddingException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (InvalidKeySpecException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    } catch (NoSuchPaddingException e) {
        e.printStackTrace(); //To change body of catch statement use File | Settings | File Templates.
    }
    return null;
}

---

From source file:Main.java

public static String encrypt(String key, String str) throws java.io.UnsupportedEncodingException,
        NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeyException,
        InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException {
    String aesKey;//from  w w w  .  j  a v a  2  s . c  o m
    aesKey = key.substring(0, 16);
    Cipher c = Cipher.getInstance("AES/CBC/PKCS5Padding");
    c.init(Cipher.ENCRYPT_MODE, AESkey(key), new IvParameterSpec(aesKey.getBytes()));

    byte[] encrypted = c.doFinal(str.getBytes("UTF-8"));
    String enStr = new String(Base64.encodeToString(encrypted, 0));

    return enStr;
}

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From source file:com.formatAdmin.utils.UtilsSecurity.java

public static String cifrarMD5(String texto) {
    String base64EncryptedString = "";
    try {/*  w w  w.j a va2s . co  m*/
        MessageDigest md = MessageDigest.getInstance("MD5");
        byte[] digestOfPassword = md.digest(SECRET_MD5_KEY.getBytes("utf-8"));
        byte[] keyBytes = Arrays.copyOf(digestOfPassword, 24);

        SecretKey key = new SecretKeySpec(keyBytes, ENCRYPT_ALGORITHM);
        Cipher cipher = Cipher.getInstance(ENCRYPT_ALGORITHM);
        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 (UnsupportedEncodingException | InvalidKeyException | NoSuchAlgorithmException | BadPaddingException
            | IllegalBlockSizeException | NoSuchPaddingException ex) {
    }
    return base64EncryptedString;
}

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From source file:com.lwr.software.reporter.utils.EncryptionUtil.java

public static String encrypt(String value) {
    try {/*  w  w  w .ja v a 2s . co m*/
        IvParameterSpec iv = new IvParameterSpec(
                DashboardConstants.INIT_VECTOR.getBytes(DashboardConstants.ENCODING));
        SecretKeySpec skeySpec = new SecretKeySpec(
                DashboardConstants.INIT_KEY.getBytes(DashboardConstants.ENCODING),
                DashboardConstants.ALGORITHM);
        Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5PADDING");
        cipher.init(Cipher.ENCRYPT_MODE, skeySpec, iv);
        byte[] encrypted = cipher.doFinal(value.getBytes());
        return Base64.encodeBase64String(encrypted);
    } catch (Exception ex) {
        ex.printStackTrace();
    }
    return null;
}

---

From source file:Encrypt.java

private static String encrypt(String message) throws Exception {
    Cipher cipher = Cipher.getInstance("DES/CBC/PKCS5Padding");
    DESKeySpec desKeySpec = new DESKeySpec(key.getBytes("UTF-8"));
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
    SecretKey secretKey = keyFactory.generateSecret(desKeySpec);
    IvParameterSpec iv = new IvParameterSpec(key.getBytes("UTF-8"));
    cipher.init(Cipher.ENCRYPT_MODE, secretKey, iv);
    return toHexString(cipher.doFinal(message.getBytes("UTF-8")));
}

---

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