Example usage for javax.crypto.spec SecretKeySpec SecretKeySpec

Introduction

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

Prototype

public SecretKeySpec(byte[] key, String algorithm)

Source Link

Document

Constructs a secret key from the given byte array.

Usage

From source file:net.fender.crypto.CryptoUtil.java

/**
 * @param base64Key/*w  ww. j a va 2s . co m*/
 * @return
 * @throws GeneralSecurityException
 */
public Key getKey(String base64Key) throws GeneralSecurityException {
    byte[] keyBytes = Base64.decodeBase64(base64Key.getBytes());
    Key key = new SecretKeySpec(keyBytes, algorithm);
    return key;
}

From source file:com.amazonaws.tvm.Utilities.java

public static String sign(String content, String key) {
    try {/*  www. j a  va 2  s .co  m*/
        byte[] data = content.getBytes(Constants.ENCODING_FORMAT);
        Mac mac = Mac.getInstance(Constants.SIGNATURE_METHOD);
        mac.init(new SecretKeySpec(key.getBytes(Constants.ENCODING_FORMAT), Constants.SIGNATURE_METHOD));
        char[] signature = Hex.encodeHex(mac.doFinal(data));
        return new String(signature);
    } catch (Exception exception) {
        log.log(Level.SEVERE, "Exception during sign", exception);
    }
    return null;
}

From source file:com.adaptris.security.password.AesCrypto.java

public String decode(String encrypted, String charset) throws PasswordException {

    String encryptedString = encrypted;
    String result;//from w ww  .  j  av  a2 s.co  m

    if (encrypted.startsWith(Password.PORTABLE_PASSWORD)) {
        encryptedString = encrypted.substring(Password.PORTABLE_PASSWORD.length());
    }
    try {
        Input input = new Input(encryptedString);
        input.read();
        SecretKey sessionKey = new SecretKeySpec(input.getSessionKey(), ALG);
        Cipher cipher = Cipher.getInstance(CIPHER);
        if (input.getSessionVector() != null) {
            IvParameterSpec spec = new IvParameterSpec(input.getSessionVector());
            cipher.init(Cipher.DECRYPT_MODE, sessionKey, spec);
        } else {
            cipher.init(Cipher.DECRYPT_MODE, sessionKey);
        }
        byte[] decrypted = cipher.doFinal(input.getEncryptedData());
        result = unseed(decrypted, charset);
    } catch (Exception e) {
        throw new PasswordException(e);
    }
    return result;
}

From source file:it.geosolutions.figis.persistence.dao.util.PwEncoder.java

/**
 * Decode the password on base 64//from ww  w  .j a v a  2 s  . co  m
 * @param msg
 * @return
 */
public static String decode(String msg) {
    try {
        SecretKeySpec keySpec = new SecretKeySpec(KEY, "AES");
        Cipher cipher = Cipher.getInstance("AES");
        cipher.init(Cipher.DECRYPT_MODE, keySpec);

        byte[] de64 = Base64.decodeBase64(msg);
        byte[] decrypted = cipher.doFinal(de64);

        return new String(decrypted);
    } catch (NoSuchAlgorithmException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (NoSuchPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (IllegalBlockSizeException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (BadPaddingException ex) {
        throw new RuntimeException("Error while encoding", ex);
    } catch (InvalidKeyException ex) {
        throw new RuntimeException("Error while encoding", ex);
    }
}

From source file:io.kahu.hawaii.util.encryption.CryptoUtil.java

private static Cipher initCipher(int mode, String key, String initVector) throws GeneralSecurityException {
    Cipher cipher = Cipher.getInstance("AES/CBC/PKCS7Padding");

    SecretKeySpec secretKeySpec = new SecretKeySpec(hexStringToByteArray(key), "AES");
    IvParameterSpec initVectorSpec = new IvParameterSpec(hexStringToByteArray(initVector));
    cipher.init(mode, secretKeySpec, initVectorSpec);

    return cipher;
}

From source file:org.cloudfoundry.identity.uaa.authentication.RubyUserTokenTests.java

@Before
public void setUp() throws Exception {
    macKey = new SecretKeySpec("5".getBytes("UTF-8"), "HMACSHA1");
}

From source file:edu.vt.middleware.crypt.util.CryptReader.java

/**
 * Reads the raw bytes of a symmetric encryption key from an input stream.
 *
 * @param  keyStream  Stream containing key data.
 * @param  algorithm  Symmetric cipher algorithm for which key is used.
 *
 * @return  Secret key.//from ww  w . j  a  v a 2  s.  c o m
 *
 * @throws  IOException  On IO errors.
 */
public static SecretKey readSecretKey(final InputStream keyStream, final String algorithm) throws IOException {
    return new SecretKeySpec(readData(keyStream), algorithm);
}

From source file:example.DecrypterException.java

public static byte[] decryptSafeWebStringToByte(String webString, String secretKey, String signKey) {
    if (32 != secretKey.getBytes().length)
        return null;
    if (32 != signKey.getBytes().length)
        return null;

    SecretKey encryptionKey = new SecretKeySpec(secretKey.getBytes(), "HmacSHA1");
    SecretKey integrityKey = new SecretKeySpec(signKey.getBytes(), "HmacSHA1");
    byte[] retStr = null;
    try {//from   w  w w. j a v  a2s. c  om
        retStr = decryptSafeWebString(webString, encryptionKey, integrityKey);
    } catch (Exception e) {
        e.printStackTrace();
    }
    return retStr;
}

From source file:net.fender.crypto.CryptoUtil.java

/**
 * Returns a key based on System.getProperties(). Use setSystemPropertyKey
 * and setSystemPropertyAlgorithm to configure, or manually set System
 * properties using SYSTEM_PROPERTY_KEY_PREFIX.
 * /*from  ww w. j ava 2  s . com*/
 * @param keyName
 * @return
 * @throws GeneralSecurityException
 */
public static Key getSystemPropertyKey(String keyName) throws GeneralSecurityException {
    String base64Key = System.getProperty(SYSTEM_PROPERTY_KEY_PREFIX + keyName);
    String algorithm = System.getProperty(SYSTEM_PROPERTY_KEY_PREFIX + keyName + ".algorithm");
    byte[] keyBytes = Base64.decodeBase64(base64Key.getBytes());
    Key key = new SecretKeySpec(keyBytes, algorithm);
    return key;
}

From source file:cipher.UsableCipher.java

protected SecretKey generateSecretKey(String key, String secretKeyAlgorithm) throws Exception {
    return new SecretKeySpec(bytes(key), secretKeyAlgorithm);
}