Example usage for javax.crypto.spec PBEKeySpec PBEKeySpec

Introduction

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

Prototype

public PBEKeySpec(char[] password) 

Source Link

Document

Constructor that takes a password.

Usage

From source file:com.almende.util.EncryptionUtil.java

/**
 * Encrypt a string./*from  ww w  .  j  a  va2s .c o m*/
 * 
 * @param text
 *            the text
 * @return encryptedText
 * @throws InvalidKeyException
 *             the invalid key exception
 * @throws InvalidAlgorithmParameterException
 *             the invalid algorithm parameter exception
 * @throws NoSuchAlgorithmException
 *             the no such algorithm exception
 * @throws InvalidKeySpecException
 *             the invalid key spec exception
 * @throws NoSuchPaddingException
 *             the no such padding exception
 * @throws IllegalBlockSizeException
 *             the illegal block size exception
 * @throws BadPaddingException
 *             the bad padding exception
 * @throws UnsupportedEncodingException
 *             the unsupported encoding exception
 */
public static String encrypt(final String text) throws InvalidKeyException, InvalidAlgorithmParameterException,
        NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, IllegalBlockSizeException,
        BadPaddingException, UnsupportedEncodingException {
    final PBEParameterSpec pbeParamSpec = new PBEParameterSpec(S, C);
    final PBEKeySpec pbeKeySpec = new PBEKeySpec(P);
    final SecretKeyFactory keyFac = SecretKeyFactory.getInstance(ENC);
    final SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);

    final Cipher pbeCipher = Cipher.getInstance(ENC);
    pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec);

    final byte[] encryptedText = pbeCipher.doFinal(text.getBytes("UTF-8"));
    return Base64.encodeBase64String(encryptedText);
}

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From source file:com.aurel.track.report.query.ReportQueryBL.java

private static String encrypt(String clearText, char[] password) {
    // Create PBE parameter set
    PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count);
    byte[] ciphertext = { 0 };

    PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
    try {/*from  w  ww  . j av  a  2  s  . c om*/
        SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);

        // Create PBE Cipher
        Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");

        // Initialize PBE Cipher with key and parameters
        pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec);

        // Encrypt the cleartext
        ciphertext = pbeCipher.doFinal(clearText.getBytes());
    } catch (Exception e) {
        LOGGER.error(ExceptionUtils.getStackTrace(e));
    }
    return new String(Base64.encodeBase64(ciphertext));
}

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From source file:es.jamisoft.comun.utils.cipher.CifradoPBE3DES.java

License:asdf

public SecretKey generatePBKey(char secret[]) {
    try {/* w  w  w.  j av a 2s  . c o m*/
        PBEKeySpec keySpec = new PBEKeySpec(secret);
        SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndTripleDES");

        return keyFac.generateSecret(keySpec);
    } catch (Exception e) {
        System.out.println("Error generando la clave:" + e);
        e.printStackTrace();

        return null;
    }
}

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From source file:com.aurel.track.admin.customize.category.filter.execute.ReportQueryBL.java

private static String encrypt(String clearText, char[] password) {
    // Create PBE parameter set
    PBEParameterSpec pbeParamSpec = new PBEParameterSpec(salt, count);
    byte[] ciphertext = { 0 };

    PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
    try {/*from w  ww  .  ja  v a  2s.  c om*/
        SecretKeyFactory keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);

        // Create PBE Cipher
        Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");

        // Initialize PBE Cipher with key and parameters
        pbeCipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParamSpec);

        // Encrypt the cleartext
        ciphertext = pbeCipher.doFinal(clearText.getBytes());
    } catch (Exception e) {
        LOGGER.debug(ExceptionUtils.getStackTrace(e), e);
    }
    return new String(Base64.encodeBase64(ciphertext));
}

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From source file:org.eclipse.che.ide.ext.datasource.server.EncryptTextService.java

public String encrypt(final String textToEncrypt) throws Exception {
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(new PBEKeySpec(getMasterPassword()));
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
    pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
    String encryptedText = Base64.encodeBase64String(pbeCipher.doFinal(textToEncrypt.getBytes("UTF-8")));
    return encryptedText;
}

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From source file:org.datacleaner.util.convert.EncodedStringConverter.java

@Override
public String fromString(Class<?> type, String encodedPassword) {
    if (encodedPassword == null) {
        return null;
    }/* w ww . ja  v a 2 s  .  com*/
    try {
        SecretKeyFactory instance = SecretKeyFactory.getInstance(ALGORHITM);
        SecretKey key = instance.generateSecret(new PBEKeySpec(_secret));
        Cipher cipher = Cipher.getInstance(ALGORHITM);
        cipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(_salt, 20));

        byte[] bytes = encodedPassword.getBytes("UTF-8");

        bytes = cipher.doFinal(Base64.decodeBase64(bytes));
        return new String(bytes);
    } catch (Exception e) {
        throw new IllegalStateException("Unable to decode password", e);
    }
}

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From source file:org.runway.utils.StringEncryptDecryptUtil.java

public static String encrypt(String property) throws RunwaySecurityException {
    String result = null;// www. ja v a 2  s.  c  o  m
    SecretKeyFactory keyFactory;
    try {
        keyFactory = SecretKeyFactory.getInstance(ALGORITHM);
        SecretKey key = keyFactory.generateSecret(new PBEKeySpec(PASSWORD));
        Cipher pbeCipher = Cipher.getInstance(ALGORITHM);
        pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(SALT, 20));
        result = base64Encode(pbeCipher.doFinal(property.getBytes()));
    } catch (NoSuchAlgorithmException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidKeySpecException e) {
        throw new RunwaySecurityException(e);
    } catch (NoSuchPaddingException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidKeyException e) {
        throw new RunwaySecurityException(e);
    } catch (InvalidAlgorithmParameterException e) {
        throw new RunwaySecurityException(e);
    } catch (IllegalBlockSizeException e) {
        throw new RunwaySecurityException(e);
    } catch (BadPaddingException e) {
        throw new RunwaySecurityException(e);
    }

    return result;
}

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From source file:offstage.crypt.PBECrypt.java

byte[] crypt(byte[] cleartext, char[] password, int cipherMode)
        throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, InvalidKeyException,
        InvalidAlgorithmParameterException, IllegalBlockSizeException, BadPaddingException {
    // Create PBE parameter set
    pbeParamSpec = new PBEParameterSpec(salt, count);

    // Prompt user for encryption password.
    // Collect user password as char array (using the
    // "readPasswd" method from above), and convert
    // it into a SecretKey object, using a PBE key
    // factory.//from   w  w  w  .j a v  a2s.c om
    pbeKeySpec = new PBEKeySpec(password);
    keyFac = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey pbeKey = keyFac.generateSecret(pbeKeySpec);

    // Create PBE Cipher
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");

    // Initialize PBE Cipher with key and parameters
    pbeCipher.init(cipherMode, pbeKey, pbeParamSpec);

    // Encrypt the cleartext
    byte[] ciphertext = pbeCipher.doFinal(cleartext);

    return ciphertext;
}

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From source file:org.apache.ranger.plugin.util.PasswordUtils.java

private String encrypt() throws IOException {
    String ret = null;/*from   w w  w. ja  v a  2s.c om*/
    String strToEncrypt = null;
    if (password == null) {
        strToEncrypt = "";
    } else {
        strToEncrypt = password.length() + LEN_SEPARATOR_STR + password;
    }
    try {
        Cipher engine = Cipher.getInstance(CRYPT_ALGO);
        PBEKeySpec keySpec = new PBEKeySpec(encryptKey);
        SecretKeyFactory skf = SecretKeyFactory.getInstance(CRYPT_ALGO);
        SecretKey key = skf.generateSecret(keySpec);
        engine.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(salt, ITERATION_COUNT));
        byte[] encryptedStr = engine.doFinal(strToEncrypt.getBytes());
        ret = new String(Base64.encode(encryptedStr));
    } catch (Throwable t) {
        LOG.error("Unable to encrypt password due to error", t);
        throw new IOException("Unable to encrypt password due to error", t);
    }
    return ret;
}

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From source file:cherry.goods.crypto.RSASignatureTest.java

private RSASignature create2(char[] password) throws Exception {

    KeyPairGenerator keygen = KeyPairGenerator.getInstance("RSA");
    keygen.initialize(2048);//from  ww w.  j a  v  a  2  s .co  m
    KeyPair key = keygen.generateKeyPair();

    String pbeAlgName = "PBEWithMD5AndDES";
    PBEKeySpec pbeKeySpec = new PBEKeySpec(password);
    PBEParameterSpec pbeParamSpec = new PBEParameterSpec(RandomUtils.nextBytes(8), 20);
    SecretKey pbeKey = SecretKeyFactory.getInstance(pbeAlgName).generateSecret(pbeKeySpec);
    AlgorithmParameters pbeParam = AlgorithmParameters.getInstance(pbeAlgName);
    pbeParam.init(pbeParamSpec);
    Cipher cipher = Cipher.getInstance(pbeAlgName);
    cipher.init(Cipher.ENCRYPT_MODE, pbeKey, pbeParam);
    EncryptedPrivateKeyInfo encryptedKeyInfo = new EncryptedPrivateKeyInfo(pbeParam,
            cipher.doFinal(key.getPrivate().getEncoded()));

    RSASignature impl = new RSASignature();
    impl.setAlgorithm("SHA256withRSA");
    impl.setPublicKeyBytes(key.getPublic().getEncoded());
    impl.setPrivateKeyBytes(encryptedKeyInfo.getEncoded(), password);
    return impl;
}

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