shiro加密

@Resource
private SecureRandomNumberGenerator secureRandomNumberGenerator;
@Resource
private HashedCredentialsMatcher hashedCredentialsMatcher;
/**
 * 对密码加密加盐
 * @param user
 * @throws Exception
 */
private void generateNewSaltAndHashedPassword(User user) throws Exception {
	//Generate Salt
	ByteSource byteSource = secureRandomNumberGenerator.nextBytes();
	String salt = byteSource.toString();
	//Hash
	String algorithmName = hashedCredentialsMatcher.getHashAlgorithmName();
	int hashIterations = hashedCredentialsMatcher.getHashIterations();
	SimpleHash simpleHash = new SimpleHash(algorithmName,user.getPassword(),salt,hashIterations);
	String hashedPassword = simpleHash.toString();
	//Set new Salt and Password
	user.setSalt(salt);
	user.setPassword(hashedPassword);
}