Examples with SecretKeyFactory javax.crypto.SecretKeyFactory used on opensource projects

Example 71 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project tomcat by apache.

the class SecretKeyCredentialHandler method setAlgorithm.

@Override
public void setAlgorithm(String algorithm) throws NoSuchAlgorithmException {
    SecretKeyFactory secretKeyFactory = SecretKeyFactory.getInstance(algorithm);
    this.secretKeyFactory = secretKeyFactory;
}

Example 72 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project translationstudio8 by heartsome.

the class DESImpl method decrypt.

/**
	 * 解密.
	 * @param src
	 *            数据源
	 * @param key
	 *            密钥，长度必须是8的倍数
	 * @return byte[]
	 * 			  解密后的原始数据
	 * @throws Exception
	 *             the exception
	 */
public static byte[] decrypt(byte[] src, byte[] key) throws Exception {
    SecureRandom sr = new SecureRandom();
    DESKeySpec dks = new DESKeySpec(key);
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
    SecretKey securekey = keyFactory.generateSecret(dks);
    Cipher cipher = Cipher.getInstance(DES);
    cipher.init(Cipher.DECRYPT_MODE, securekey, sr);
    return cipher.doFinal(src);
}

Example 73 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project translationstudio8 by heartsome.

the class DESImpl method encrypt.

/**
	 * 加密.
	 * @param src
	 *            数据源
	 * @param key
	 *            密钥，长度必须是8的倍数
	 * @return byte[]
	 * 			  加密后的数据
	 * @throws Exception
	 *             the exception
	 */
public static byte[] encrypt(byte[] src, byte[] key) throws Exception {
    SecureRandom sr = new SecureRandom();
    DESKeySpec dks = new DESKeySpec(key);
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(DES);
    SecretKey securekey = keyFactory.generateSecret(dks);
    Cipher cipher = Cipher.getInstance(DES);
    cipher.init(Cipher.ENCRYPT_MODE, securekey, sr);
    return cipher.doFinal(src);
}

Example 74 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project musicbrainz-android by jdamcd.

the class SimpleEncrypt method crypto.

private static String crypto(int mode, String secret, String input) throws InvalidKeyException, UnsupportedEncodingException, NoSuchAlgorithmException, InvalidKeySpecException, NoSuchPaddingException, IllegalBlockSizeException, BadPaddingException {
    DESKeySpec keySpec = new DESKeySpec(secret.getBytes(CHARSET));
    SecretKeyFactory keyFactory = SecretKeyFactory.getInstance(ALGORITHM);
    SecretKey encryptKey = keyFactory.generateSecret(keySpec);
    Cipher cipher = Cipher.getInstance(ALGORITHM);
    cipher.init(mode, encryptKey);
    if (mode == Cipher.ENCRYPT_MODE) {
        byte[] plainText = input.getBytes(CHARSET);
        return Base64.encodeToString(cipher.doFinal(plainText), Base64.DEFAULT);
    } else if (mode == Cipher.DECRYPT_MODE) {
        byte[] cipherText = Base64.decode(input, Base64.DEFAULT);
        return new String(cipher.doFinal(cipherText), CHARSET);
    }
    return null;
}

Example 75 with SecretKeyFactory

use of javax.crypto.SecretKeyFactory in project orientdb by orientechnologies.

the class OSymmetricKey method create.

protected void create() {
    try {
        SecureRandom secureRandom = new SecureRandom();
        byte[] salt = secureRandom.generateSeed(saltLength);
        KeySpec keySpec = new PBEKeySpec(seedPhrase.toCharArray(), salt, iteration, keySize);
        SecretKeyFactory factory = SecretKeyFactory.getInstance(seedAlgorithm);
        SecretKey tempKey = factory.generateSecret(keySpec);
        secretKey = new SecretKeySpec(tempKey.getEncoded(), secretKeyAlgorithm);
    } catch (Exception ex) {
        throw new OSecurityException("OSymmetricKey.create() Exception: " + ex);
    }
}