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.hawk.core.security.FileBasedCredentialsStore.java

private String encrypt(String property) throws GeneralSecurityException, UnsupportedEncodingException {

    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
    SecretKey key = keyFactory.generateSecret(new PBEKeySpec(encryptionKey));
    Cipher pbeCipher = Cipher.getInstance("PBEWithMD5AndDES");
    pbeCipher.init(Cipher.ENCRYPT_MODE, key, new PBEParameterSpec(salt, 20));
    return base64Encode(pbeCipher.doFinal(property.getBytes("UTF-8")));
}

From source file:com.github.sshw.crypt.EncryptionBean.java

public Key keyFromPassword(String password) throws Exception {
    SecretKeyFactory factory = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    KeySpec spec = new PBEKeySpec(password.toCharArray(), password.getBytes(), 1000, 128);
    SecretKey tmp = factory.generateSecret(spec);
    SecretKey secret = new SecretKeySpec(tmp.getEncoded(), "AES");
    return secret;
}

From source file:com.sldeditor.common.property.EncryptedPropertiesApache.java

@Override
public void initialise(String password) {
    PBEParameterSpec ps = new javax.crypto.spec.PBEParameterSpec(salt, 20);
    SecretKeyFactory kf;
    try {//from  ww  w . j  a  v  a2 s. c o  m
        kf = SecretKeyFactory.getInstance("PBEWithMD5AndDES");
        SecretKey k = kf.generateSecret(new javax.crypto.spec.PBEKeySpec(password.toCharArray()));
        encrypter = Cipher.getInstance("PBEWithMD5AndDES/CBC/PKCS5Padding");
        decrypter = Cipher.getInstance("PBEWithMD5AndDES/CBC/PKCS5Padding");
        encrypter.init(Cipher.ENCRYPT_MODE, k, ps);
        decrypter.init(Cipher.DECRYPT_MODE, k, ps);
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    } catch (NoSuchPaddingException e) {
        e.printStackTrace();
    } catch (InvalidKeySpecException e) {
        e.printStackTrace();
    } catch (InvalidKeyException e) {
        e.printStackTrace();
    } catch (InvalidAlgorithmParameterException e) {
        e.printStackTrace();
    }
}

From source file:adminpassword.Decryption.java

@SuppressWarnings("static-access")
public String decrypt(String encryptedText, String idKey) throws Exception {
    String password = idKey;//from  ww  w .j a va  2s  . c  om

    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");

    //strip off the salt and iv
    ByteBuffer buffer = ByteBuffer.wrap(new Base64().decode(encryptedText));
    byte[] saltBytes = new byte[20];
    buffer.get(saltBytes, 0, saltBytes.length);
    byte[] ivBytes1 = new byte[cipher.getBlockSize()];
    buffer.get(ivBytes1, 0, ivBytes1.length);
    byte[] encryptedTextBytes = new byte[buffer.capacity() - saltBytes.length - ivBytes1.length];
    buffer.get(encryptedTextBytes);

    // Deriving 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");
    cipher.init(Cipher.DECRYPT_MODE, secret, new IvParameterSpec(ivBytes1));

    byte[] decryptedTextBytes = null;
    try {
        decryptedTextBytes = cipher.doFinal(encryptedTextBytes);

    } catch (IllegalBlockSizeException e) {
        e.printStackTrace();
    } catch (BadPaddingException e) {
        e.printStackTrace();
    }

    return new String(decryptedTextBytes);
}

From source file:org.everit.password.encryptor.pbkdf2.PBKDF2PasswordEncryptorImpl.java

private String encryptSecure(final byte[] salt, final String plainPassword, final String algorithm)
        throws NoSuchAlgorithmException, InvalidKeySpecException {
    int deriverdKeyLenght = Algorithm.SUPPORTED_ALGORITHMS_AND_KEY_LENGTHS.get(algorithm);
    KeySpec spec = new PBEKeySpec(plainPassword.toCharArray(), salt, iterationCount, deriverdKeyLenght);
    SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance(algorithm);
    byte[] passwordDigest = secretKeyFactory.generateSecret(spec).getEncoded();
    byte[] passwordDigestBase64 = Base64.encodeBase64(passwordDigest);
    String passwordDigestBase64StringUTF8 = StringUtils.newStringUtf8(passwordDigestBase64);
    byte[] saltBase64 = Base64.encodeBase64(salt);
    String saltBase64StringUTF8 = StringUtils.newStringUtf8(saltBase64);
    return SEPARATOR_START + algorithm + SEPARATOR_END + SEPARATOR_START + saltBase64StringUTF8 + SEPARATOR_END
            + passwordDigestBase64StringUTF8;
}

From source file:com.rootcloud.ejb.RootCloudBean.java

public String encryptThreeDESECB(String src, String key) throws Exception {
    DESedeKeySpec dks = new DESedeKeySpec(key.getBytes("UTF-8"));
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
    javax.crypto.SecretKey securekey = keyFactory.generateSecret(dks);
    Cipher cipher = Cipher.getInstance("DESede/ECB/PKCS5Padding");
    cipher.init(1, securekey);/*from  w  w  w. j  a  v a  2  s. co  m*/
    byte b[] = cipher.doFinal(src.getBytes());
    Encoder ec = java.util.Base64.getEncoder();
    return ec.encodeToString(b);
}

From source file:de.alpharogroup.crypto.simple.SimpleDecryptor.java

/**
 * Initializes the {@link SimpleDecryptor} object.
 *
 * @throws InvalidAlgorithmParameterException
 *             is thrown if initialization of the cypher object fails.
 * @throws NoSuchPaddingException/*from www .j a v  a 2  s. c  o  m*/
 *             is thrown if instantiation of the cypher object fails.
 * @throws InvalidKeySpecException
 *             is thrown if generation of the SecretKey object fails.
 * @throws NoSuchAlgorithmException
 *             is thrown if instantiation of the SecretKeyFactory object fails.
 * @throws InvalidKeyException
 *             is thrown if initialization of the cypher object fails.
 */
private void initialize() throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException,
        InvalidKeyException, InvalidAlgorithmParameterException {
    if (!isInitialized()) {
        KeySpec keySpec = null;
        if (this.getPrivateKey() != null) {
            keySpec = new PBEKeySpec(this.getPrivateKey().toCharArray());
        }
        if (this.getPrivateKey() == null) {
            keySpec = new PBEKeySpec(CryptConst.PRIVATE_KEY.toCharArray());
        }
        final SecretKeyFactory factory = SecretKeyFactory.getInstance(CryptConst.PBEWITH_MD5AND_DES);
        final SecretKey key = factory.generateSecret(keySpec);
        this.cipher = Cipher.getInstance(key.getAlgorithm());
        final AlgorithmParameterSpec paramSpec = new PBEParameterSpec(CryptConst.SALT,
                CryptConst.ITERATIONCOUNT);
        this.cipher.init(Cipher.DECRYPT_MODE, key, paramSpec);
        initialized = true;
    }
}

From source file:de.alpharogroup.crypto.simple.SimpleEncryptor.java

/**
 * Initializes the {@link SimpleEncryptor} object.
 * /*w  ww  .j ava  2s .  c  o  m*/
 * @throws InvalidAlgorithmParameterException
 *             is thrown if initialization of the cypher object fails.
 * @throws NoSuchPaddingException
 *             is thrown if instantiation of the cypher object fails.
 * @throws InvalidKeySpecException
 *             is thrown if generation of the SecretKey object fails.
 * @throws NoSuchAlgorithmException
 *             is thrown if instantiation of the SecretKeyFactory object fails.
 * @throws InvalidKeyException
 *             is thrown if initialization of the cypher object fails.
 */
private void initialize() throws NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException,
        InvalidKeyException, InvalidAlgorithmParameterException {
    if (!isInitialized()) {
        final KeySpec keySpec;
        if (this.getPrivateKey() != null) {
            keySpec = new PBEKeySpec(this.getPrivateKey().toCharArray());
        } else {
            keySpec = new PBEKeySpec(CryptConst.PRIVATE_KEY.toCharArray());
        }
        final SecretKeyFactory factory = SecretKeyFactory.getInstance(CryptConst.PBEWITH_MD5AND_DES);
        final SecretKey key = factory.generateSecret(keySpec);
        this.cipher = Cipher.getInstance(key.getAlgorithm());
        final AlgorithmParameterSpec paramSpec = new PBEParameterSpec(CryptConst.SALT,
                CryptConst.ITERATIONCOUNT);
        this.cipher.init(Cipher.ENCRYPT_MODE, key, paramSpec);
        initialized = true;
    }
}

From source file:de.codesourcery.eve.apiclient.utils.PasswordCipherProvider.java

@Override
public Cipher createCipher(boolean decrypt) {

    final char[] password = getPassword();

    if (ArrayUtils.isEmpty(password)) {
        log.warn("createCipher(): No password , returning NULL cipher.");
        return new NullCipher();
    }//ww  w  .  j av a  2 s .com

    try {

        final int iterations = 20;

        final byte[] salt = new byte[] { (byte) 0xab, (byte) 0xfe, 0x03, 0x47, (byte) 0xde, (byte) 0x99,
                (byte) 0xff, 0x1c };

        final PBEParameterSpec pbeSpec = new PBEParameterSpec(salt, iterations);

        final PBEKeySpec spec = new PBEKeySpec(password, salt, iterations);
        final SecretKeyFactory fac = SecretKeyFactory.getInstance("PBEWithMD5andDES");
        final SecretKey secretKey;
        try {
            secretKey = fac.generateSecret(spec);
        } catch (InvalidKeySpecException e) {
            throw e;
        }

        final Cipher cipher = Cipher.getInstance("PBEWithMD5andDES");
        if (decrypt) {
            cipher.init(Cipher.DECRYPT_MODE, secretKey, pbeSpec);
        } else {
            cipher.init(Cipher.ENCRYPT_MODE, secretKey, pbeSpec);
        }
        return cipher;
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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

public void setUp() throws Exception {

    org.apache.xml.security.Init.init();
    DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
    dbf.setNamespaceAware(true);//from w w w.j a  v  a2 s.com
    db = dbf.newDocumentBuilder();

    byte[] bits192 = "abcdefghijklmnopqrstuvwx".getBytes();
    DESedeKeySpec keySpec = new DESedeKeySpec(bits192);
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance("DESede");
    secretKey = keyFactory.generateSecret(keySpec);

    TransformerFactory tf = TransformerFactory.newInstance();
    tf.newTransformer();

    // Determine if we have ISO 10126 Padding - needed for Bulk AES or
    // 3DES encryption

    haveISOPadding = false;
    String algorithmId = JCEMapper
            .translateURItoJCEID(org.apache.xml.security.utils.EncryptionConstants.ALGO_ID_BLOCKCIPHER_AES128);

    if (algorithmId != null) {
        try {
            if (Cipher.getInstance(algorithmId) != null)
                haveISOPadding = true;
        } catch (NoSuchAlgorithmException nsae) {
        } catch (NoSuchPaddingException nspe) {
        }
    }

}