Example usage for javax.crypto SecretKey getEncoded

Introduction

In this page you can find the example usage for javax.crypto SecretKey getEncoded.

Prototype

public byte[] getEncoded();

Source Link

Document

Returns the key in its primary encoding format, or null if this key does not support encoding.

Usage

From source file:org.bigmouth.nvwa.utils.degist.NativeAesUtils.java

public static String encrypt(String input, String key) throws Exception {
    byte[] crypted = null;
    javax.crypto.KeyGenerator kgen = javax.crypto.KeyGenerator.getInstance("AES");
    kgen.init(128, new SecureRandom(key.getBytes()));
    SecretKey secretKey = kgen.generateKey();
    byte[] enCodeFormat = secretKey.getEncoded();
    SecretKeySpec skey = new SecretKeySpec(enCodeFormat, "AES");
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.ENCRYPT_MODE, skey, new IvParameterSpec(INIT_VECTOR, 0, INIT_VECTOR.length));
    crypted = cipher.doFinal(input.getBytes());
    return new String(Hex.encode(crypted));
}

From source file:org.bigmouth.nvwa.utils.degist.NativeAesUtils.java

public static String decrypt(String input, String key, byte[] iv) throws Exception {
    byte[] output = null;
    javax.crypto.KeyGenerator kgen = javax.crypto.KeyGenerator.getInstance("AES");
    kgen.init(128, new SecureRandom(key.getBytes()));
    SecretKey secretKey = kgen.generateKey();
    byte[] enCodeFormat = secretKey.getEncoded();
    SecretKeySpec skey = new SecretKeySpec(enCodeFormat, "AES");
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS5Padding");
    cipher.init(Cipher.DECRYPT_MODE, skey, new IvParameterSpec(iv, 0, iv.length));
    output = cipher.doFinal(Hex.decode(input));
    return new String(output);
}

From source file:de.hybris.platform.b2b.punchout.services.impl.SymmetricManager.java

public static String getKey() {
    String key = null;/* w  w  w.  j a  va 2s.c o m*/
    try {
        final KeyGenerator kgen = KeyGenerator.getInstance(ALGORITHM);
        kgen.init(KEY_SIZE);
        // Generate the secret key specs.
        final SecretKey skey = kgen.generateKey();
        final byte[] raw = skey.getEncoded();
        key = new Base64().encodeAsString(raw);
    } catch (final NoSuchAlgorithmException e) {
        // should never happen
        LOG.error("System was unable to generate the key.", e);
    }
    return key;
}

From source file:org.bigmouth.nvwa.utils.degist.NativeAesUtils.java

public static String encryptAES(byte[] input, String key) throws Exception {
    byte[] crypted = null;
    javax.crypto.KeyGenerator kgen = javax.crypto.KeyGenerator.getInstance("AES");
    SecureRandom secureRandom = SecureRandom.getInstance("SHA1PRNG");
    secureRandom.setSeed(key.getBytes());
    kgen.init(128, secureRandom);/*from  w ww  .j  ava2 s  .  com*/
    SecretKey secretKey = kgen.generateKey();
    byte[] enCodeFormat = secretKey.getEncoded();
    SecretKeySpec skey = new SecretKeySpec(enCodeFormat, "AES");
    Cipher cipher = Cipher.getInstance("AES");
    cipher.init(Cipher.ENCRYPT_MODE, skey);
    crypted = cipher.doFinal(input);
    return new String(Hex.encode(crypted));
}

From source file:com.janrain.backplane.common.HmacHashUtils.java

/**
 * @return HMAC hash, or null if the supplied password is null or the hash could not be computed
 *//*from ww w . j  a v a  2  s .c om*/
public static String hmacHash(String password) {
    try {
        if (password == null)
            return null;
        SecretKey key = generateMacKey(HMAC_SHA256_ALGORITHM, HMAC_SHA256_LENGTH);
        byte[] encoded = key.getEncoded();
        if (encoded == null) {
            logger.error("Mac key encoding is null, cannot hash password.");
            return null;
        }
        return new String(Base64.encodeBase64(encoded), UTF8_STRING_ENCODING) + "." + hmacSign(key, password);
    } catch (Exception e) {
        logger.error("Error computing HMAC hash: " + e.getMessage());
        return null;
    }
}

From source file:Main.java

public static String encryption(String string) throws Exception {
    // TODO Auto-generated method stub

    //generate symmetric key
    KeyGenerator keygt = KeyGenerator.getInstance("AES");
    keygt.init(128);// w ww . j  a va2s  . c  o m
    SecretKey symkey = keygt.generateKey();

    //get it encoded
    byte[] aes_ba = symkey.getEncoded();

    //create cipher
    SecretKeySpec skeySpec = new SecretKeySpec(aes_ba, "AES");
    Cipher cipher = Cipher.getInstance("AES");
    cipher.init(Cipher.ENCRYPT_MODE, skeySpec);

    //encryption
    byte[] EncSymbyteArray = cipher.doFinal(string.getBytes());

    //encrypt symKey with PublicKey
    //        Key pubKey = getPublicKey();

    Key pubKey = publicKey;

    //RSA cipher
    Cipher cipherAsm = Cipher.getInstance("RSA", "BC");
    cipherAsm.init(Cipher.ENCRYPT_MODE, pubKey);

    //RSA encryption
    byte[] asymEncsymKey = cipherAsm.doFinal(aes_ba);

    //           File f3 = new File(BASE_PATH,"enc.txt");
    //           File f3key = new File(BASE_PATH,"enckey.txt");
    //           File f3file = new File(BASE_PATH,"encfile.txt");
    //           writeToFile2(f3,f3key,f3file, asymEncsymKey, EncSymbyteArray);

    //byte != new String
    //return new String(byteMerger(asymEncsymKey, EncSymbyteArray));
    return Base64.encodeToString(byteMerger(asymEncsymKey, EncSymbyteArray), Base64.DEFAULT);

}

From source file:org.apache.juddi.v3.client.cryptor.TripleDESCrytor.java

/**
 * generates a new key/*w w  w. ja  v a2  s . c o  m*/
 * @return a new key
 */
public static String GEN() {
    KeyGenerator kgen;
    try {
        kgen = KeyGenerator.getInstance(DESEDE_ENCRYPTION_SCHEME);
        kgen.init(168);
        SecretKey skey = kgen.generateKey();
        byte[] raw = skey.getEncoded();
        return new String(Base64.encodeBase64(raw));
    } catch (Exception ex) {
        ex.printStackTrace();
        ;
    }
    return null;
}

From source file:rs.htec.cms.cms_bulima.helper.Password.java

private static String hash(String password, byte[] salt) throws Exception {
    if (password == null || password.length() == 0) {
        throw new IllegalArgumentException("Password must have at least one character");
    }/*from  w  ww  .  j  a  va 2s . c om*/
    SecretKeyFactory f = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
    SecretKey key = f.generateSecret(new PBEKeySpec(password.toCharArray(), salt, iterations, desiredKeyLen));
    return Base64.encodeBase64String(key.getEncoded());
}

From source file:org.demo.show.providers.ThreeDes2.java

/**
 * //  w w  w .j a va2  s  . c o m
 * ?
 * 
 * @return byte[] 
 * */
public static byte[] initkey() throws Exception {

    // ?
    KeyGenerator kg = KeyGenerator.getInstance(KEY_ALGORITHM);
    // ??
    kg.init(168);
    // ?
    SecretKey secretKey = kg.generateKey();
    // ???
    return secretKey.getEncoded();
}

From source file:org.apache.xml.security.samples.encryption.Encrypter.java

private static SecretKey GenerateAndStoreKeyEncryptionKey() throws Exception {

    String jceAlgorithmName = "DESede";
    KeyGenerator keyGenerator = KeyGenerator.getInstance(jceAlgorithmName);
    SecretKey kek = keyGenerator.generateKey();

    byte[] keyBytes = kek.getEncoded();
    File kekFile = new File("kek");
    FileOutputStream f = new FileOutputStream(kekFile);
    f.write(keyBytes);//w w  w  .j ava 2  s .com
    f.close();
    System.out.println("Key encryption key stored in " + kekFile.toURL().toString());

    return kek;
}