/** * Creates new encrypted credentials * * <p>Encrypts the message '<code>login</code>:<code>password</code>' using the public key <code> * pubKey</code> and <code>cipher</code> and store it in a new Credentials object. * * @see KeyPairUtil#encrypt(String, String, String, byte[]) * @param login the login to encrypt * @param password the corresponding password to encrypt * @param pubKey public key used for encryption * @param cipher cipher parameters: combination of transformations * @return the Credentials object containing the encrypted data * @throws KeyException key generation or encryption failed */ @Deprecated public static Credentials createCredentials( String login, String password, byte[] datakey, PublicKey pubKey, String cipher) throws KeyException { CredData cc = new CredData(); cc.setLogin(CredData.parseLogin(login)); cc.setDomain(CredData.parseDomain(login)); cc.setPassword(password); cc.setKey(datakey); // serialize clear credentials to byte array byte[] clearCred = null; try { clearCred = ObjectToByteConverter.ObjectStream.convert(cc); } catch (IOException e1) { throw new KeyException(e1.getMessage()); } int size = -1; if (pubKey instanceof java.security.interfaces.RSAPublicKey) { size = ((RSAPublicKey) pubKey).getModulus().bitLength(); } else if (pubKey instanceof java.security.interfaces.DSAPublicKey) { size = ((DSAPublicKey) pubKey).getParams().getP().bitLength(); } else if (pubKey instanceof javax.crypto.interfaces.DHPublicKey) { size = ((DHPublicKey) pubKey).getParams().getP().bitLength(); } // generate symmetric key SecretKey aesKey = KeyUtil.generateKey(AES_ALGO, AES_KEYSIZE); byte[] encData = null; byte[] encAes = null; // encrypt AES key with public RSA key try { encAes = KeyPairUtil.encrypt(pubKey, size, cipher, aesKey.getEncoded()); } catch (KeyException e) { throw new KeyException("Symmetric key encryption failed", e); } // encrypt clear credentials with AES key try { encData = KeyUtil.encrypt(aesKey, AES_CIPHER, clearCred); } catch (KeyException e) { throw new KeyException("Message encryption failed", e); } Credentials cred = new Credentials(pubKey.getAlgorithm(), size, cipher, encAes, encData); return cred; }