Example usage for javax.crypto SecretKeyFactory generateSecret

Introduction

In this page you can find the example usage for javax.crypto SecretKeyFactory generateSecret.

Prototype

public final SecretKey generateSecret(KeySpec keySpec) throws InvalidKeySpecException 

Source Link

Document

Generates a SecretKey object from the provided key specification (key material).

Usage

From source file:org.apache.xml.security.test.encryption.BobKeyResolver.java

/**
 * Method engineResolveSecretKey/*from   ww  w .j  av  a  2  s.  co  m*/
 *
 * @param element
 * @param BaseURI
 * @param storage
 *
 * @throws KeyResolverException
 */
public javax.crypto.SecretKey engineLookupAndResolveSecretKey(Element element, String BaseURI,
        StorageResolver storage) throws KeyResolverException {

    if (engineCanResolve(element, BaseURI, storage)) {
        try {
            DESedeKeySpec keySpec = new DESedeKeySpec("abcdefghijklmnopqrstuvwx".getBytes("ASCII"));
            SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
            SecretKey key = keyFactory.generateSecret(keySpec);

            return key;
        } catch (Exception e) {
            throw new KeyResolverException("Something badly wrong in creation of bob's key");
        }
    }

    return null;
}

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From source file:Crypt.java

private Crypt() {
    DESKeySpec dk;// w w w  .  java  2 s . c o m
    try {
        dk = new DESKeySpec(new Long(serialVersionUID).toString().getBytes());
        SecretKeyFactory kf = SecretKeyFactory.getInstance("DES");
        secretKey = kf.generateSecret(dk);
    } catch (Exception e) {
        log.error("", e);
    }
}

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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. j a va 2  s.  co  m*/
    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:org.apache.ranger.plugin.util.PasswordUtils.java

private String decrypt() throws IOException {
    String ret = null;/*w  w w. j av  a2 s .c  om*/
    try {
        byte[] decodedPassword = Base64.decode(password);
        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.DECRYPT_MODE, key, new PBEParameterSpec(salt, ITERATION_COUNT));
        String decrypted = new String(engine.doFinal(decodedPassword));
        int foundAt = decrypted.indexOf(LEN_SEPARATOR_STR);
        if (foundAt > -1) {
            if (decrypted.length() > foundAt) {
                ret = decrypted.substring(foundAt + 1);
            } else {
                ret = "";
            }
        } else {
            ret = null;
        }
    } catch (Throwable t) {
        LOG.error("Unable to decrypt password due to error", t);
        throw new IOException("Unable to decrypt password due to error", t);
    }
    return ret;
}

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From source file:com.ubipass.middleware.web.action.LicenceMgtAction.java

private String getDate(String userName, String licenceKey) throws Exception {

    // DES????// ww w .j  a  v  a2 s  .  c o m
    SecureRandom sr = new SecureRandom();

    byte rawKeyData[] = (userName + "midware").getBytes();

    // ?DESKeySpec
    DESKeySpec dks = new DESKeySpec(rawKeyData);

    // ?DESKeySpec??
    // SecretKey
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DES");
    SecretKey key = keyFactory.generateSecret(dks);

    // Cipher??
    Cipher cipher = Cipher.getInstance("DES");

    // ?Cipher
    cipher.init(Cipher.DECRYPT_MODE, key, sr);

    // ??
    licenceKey = new String(cipher.doFinal(Base64.decodeBase64(licenceKey.getBytes())));

    String[] tmpStr = licenceKey.split("-");

    if (tmpStr.length == 2)
        return tmpStr[1];

    throw new InvalidLicenseException();

}

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From source file:com.titilink.common.app.EncryptDecryptUtil.java

public void testDES() throws InvalidKeyException, NoSuchAlgorithmException, InvalidKeySpecException,
        NoSuchPaddingException, BadPaddingException, IllegalBlockSizeException {
    ////w  w w. j  a va  2 s. c om
    DESKeySpec desKeySpec = new DESKeySpec("SECURITY".getBytes(Charset.forName("UTF-8")));
    SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance("DES");
    SecretKey secretKey = secretKeyFactory.generateSecret(desKeySpec);

    //??
    Cipher cipher = Cipher.getInstance("DES");
    cipher.init(Cipher.ENCRYPT_MODE, secretKey, new SecureRandom());
    byte[] cipherData = cipher
            .doFinal("this is a security text from server".getBytes(Charset.forName("UTF-8")));

    //?
    Cipher cipher1 = Cipher.getInstance("DES");
    cipher1.init(Cipher.DECRYPT_MODE, secretKey, new SecureRandom());
    byte[] plainData = cipher1.doFinal(cipherData);
    System.out.println(new String(plainData, Charset.forName("UTF-8")));
}

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From source file:components.security.Password.java

/**
 * Hashes the password using pbkdf2 and the given salt.
 *
 * @param password the plain text password to hash.
 * @param salt     the salt for the password
 * @return the hashed password//ww  w.  j a  v  a  2  s. c  om
 */
public char[] hash(char[] password, byte[] salt) {
    checkNotNull(password);
    checkArgument(password.length != 0);
    checkNotNull(salt);
    checkArgument(salt.length != 0);

    try {
        SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
        SecretKey key = f.generateSecret(new PBEKeySpec(password, salt, iterations, desiredKeyLenght));
        return Base64.encodeBase64String(key.getEncoded()).toCharArray();
    } catch (NoSuchAlgorithmException | InvalidKeySpecException e) {
        Logger.error("Problem during password hashing", e);
        throw new IllegalStateException("Could not hash the password of the user.", e);
    }
}

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From source file:adminpassword.Encryption.java

public String encrypt(String word, String idKey) throws Exception {

    byte[] ivBytes;
    String password = idKey; //you can give whatever you want. This is for testing purpose
    SecureRandom random = new SecureRandom();
    byte bytes[] = new byte[20];
    random.nextBytes(bytes);/*from   ww  w  .  j a v  a 2s.  com*/

    byte[] saltBytes = bytes;

    // Derive the key
    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    PBEKeySpec spec = new PBEKeySpec(password.toCharArray(), saltBytes, 65556, 256);
    SecretKey secretKey = factory.generateSecret(spec);
    SecretKeySpec secret = new SecretKeySpec(secretKey.getEncoded(), "AES");

    //encrypting the word
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, secret);
    AlgorithmParameters params = cipher.getParameters();
    ivBytes = params.getParameterSpec(IvParameterSpec.class).getIV();
    byte[] encryptedTextBytes = cipher.doFinal(word.getBytes("UTF-8"));

    //prepend salt and vi
    byte[] buffer = new byte[saltBytes.length + ivBytes.length + encryptedTextBytes.length];
    System.arraycopy(saltBytes, 0, buffer, 0, saltBytes.length);
    System.arraycopy(ivBytes, 0, buffer, saltBytes.length, ivBytes.length);
    System.arraycopy(encryptedTextBytes, 0, buffer, saltBytes.length + ivBytes.length,
            encryptedTextBytes.length);
    return new Base64().encodeToString(buffer);
}

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From source file:org.zuinnote.flink.office.common.FlinkKeyStoreManager.java

/**
 * Sets the password in the currently openend keystore. Do not forget to store it afterwards
 * /*w  w  w . j  a v a 2  s .  c o m*/
 * @param alias
 * @param password to store 
 * @param passwordPassword password for encrypting password. You can use the same as the keystore password
 * @throws NoSuchAlgorithmException 
 * @throws InvalidKeySpecException 
 * @throws KeyStoreException 
 */

public void setPassword(String alias, String password, String passwordPassword)
        throws NoSuchAlgorithmException, InvalidKeySpecException, KeyStoreException {
    SecretKeyFactory skf = SecretKeyFactory.getInstance("PBE");
    SecretKey pSecret = skf.generateSecret(new PBEKeySpec(password.toCharArray()));
    KeyStore.PasswordProtection kspp = new KeyStore.PasswordProtection(passwordPassword.toCharArray());
    this.keystore.setEntry(alias, new KeyStore.SecretKeyEntry(pSecret), kspp);
}

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From source file:org.hawk.core.security.FileBasedCredentialsStore.java

private String decrypt(String property) throws GeneralSecurityException, IOException {
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(new PBEKeySpec(encryptionKey));
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
    pbeCipher.init(Cipher.DECRYPT_MODE, key, new PBEParameterSpec(salt, 20));
    return new String(pbeCipher.doFinal(base64Decode(property)), "UTF-8");
}

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