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:es.logongas.fpempresa.security.SecureKeyGenerator.java

public static String getSecureKey() {
    try {//from  w  w  w  .  j av  a 2 s  .  c  o  m
        Base32 base32 = new Base32();
        KeyGenerator keyGen = KeyGenerator.getInstance("AES");
        keyGen.init(keyLength);
        SecretKey secretKey = keyGen.generateKey();
        byte[] encoded = secretKey.getEncoded();
        return base32.encodeAsString(encoded);
    } catch (Exception ex) {
        throw new RuntimeException(ex);
    }
}

From source file:Main.java

private static Mac getMacForPassphrase(String passphrase, byte[] salt) throws GeneralSecurityException {
    SecretKey key = getKeyFromPassphrase(passphrase, salt);
    byte[] pbkdf2 = key.getEncoded();
    SecretKeySpec hmacKey = new SecretKeySpec(pbkdf2, "HmacSHA1");
    Mac hmac = Mac.getInstance("HmacSHA1");
    hmac.init(hmacKey);/*from  w ww.jav a  2  s . c o m*/

    return hmac;
}

From source file:fi.ilmoeuro.membertrack.util.Crypto.java

public static String hash(String candidate, String salt) {
    try {/*from  w  ww .  ja  v  a 2 s . c o m*/
        SecretKeyFactory skf = SecretKeyFactory.getInstance("PBKDF2WithHmacSHA1");
        KeySpec ks = new PBEKeySpec(candidate.toCharArray(), salt.getBytes(StandardCharsets.US_ASCII), 1024,
                128);
        SecretKey sk = skf.generateSecret(ks);
        Key k = new SecretKeySpec(sk.getEncoded(), "AES");
        return Hex.encodeHexString(k.getEncoded());
    } catch (NoSuchAlgorithmException | InvalidKeySpecException ex) {
        throw new RuntimeException("Error while hashing", ex);
    }
}

From source file:Main.java

private static Mac getMacForPassphrase(String passphrase, byte[] salt, int iterations)
        throws GeneralSecurityException {
    SecretKey key = getKeyFromPassphrase(passphrase, salt, iterations);
    byte[] pbkdf2 = key.getEncoded();
    SecretKeySpec hmacKey = new SecretKeySpec(pbkdf2, "HmacSHA1");
    Mac hmac = Mac.getInstance("HmacSHA1");
    hmac.init(hmacKey);/*from www .  j a  va2 s .  c o m*/

    return hmac;
}

From source file:Main.java

public static byte[] generateHash(char[] pass, byte[] salt)
        throws NoSuchAlgorithmException, InvalidKeySpecException {
    PBEKeySpec keySpec = new PBEKeySpec(pass, salt, ITERATION_COUNT, 128);
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(KEY_FACTORY);
    SecretKey key = keyFactory.generateSecret(keySpec);

    return key.getEncoded();
}

From source file:de.openflorian.crypt.CipherKeyGenerator.java

/**
 * Generate Cipher Secret<br/>//w  ww .ja  v a 2 s . co  m
 * <br/>
 * Secret is generated by Blowfish {@link KeyGenerator} and a system default
 * {@link SecureRandom} provider and Base64 encoded afterwards.
 * 
 * @return Base64 encoded {@link SecureRandom} generated encryption key
 * @throws GeneralSecurityException
 */
public static String generateKey() throws GeneralSecurityException {
    try {
        KeyGenerator gen = KeyGenerator.getInstance("Blowfish");
        gen.init(192, new SecureRandom());
        SecretKey key = gen.generateKey();

        return new String(new Base64().encode(key.getEncoded())).trim();
    } catch (Exception e) {
        log.error(e.getMessage(), e);
        throw new GeneralSecurityException(e.getMessage(), e);
    }
}

From source file:com.healthcit.cacure.utils.PasswordService.java

private static byte[] getRawKey(byte[] seed) throws Exception {
    KeyGenerator kgen = KeyGenerator.getInstance("AES");
    SecureRandom sr = SecureRandom.getInstance("SHA1PRNG");
    sr.setSeed(seed);/*w  w  w .  j av a2 s  .c  om*/
    kgen.init(128, sr); // 192 and 256 bits may not be available   
    SecretKey skey = kgen.generateKey();
    byte[] raw = skey.getEncoded();
    return raw;
}

From source file:models.logic.CipherDecipher.java

public static String keyToString(SecretKey key) {
    char[] hex = encodeHex(key.getEncoded());
    return String.valueOf(hex);
}

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

public static byte[] encrypt(String input, String key, byte[] iv) throws Exception {
    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));
    return cipher.doFinal(input.getBytes());
}

From source file:net.foreworld.util.RestUtil.java

public static String genApiKey() {
    try {/*from   www. ja v a2  s  .c  om*/
        KeyGenerator generator = KeyGenerator.getInstance("HmacSHA1");
        SecretKey key = generator.generateKey();
        String encodedKey = Base64.encodeBase64URLSafeString(key.getEncoded());
        return encodedKey;
    } catch (NoSuchAlgorithmException ignore) {
    }
    return null;
}