EntityManagerFactory factory =
                    Persistence.createEntityManagerFactory("e");

            EntityManager em = factory.createEntityManager();
            em.getTransaction().begin();

            com.e.dto.User user = new com.e.dto.User();

            DefaultPasswordService a = new DefaultPasswordService();
            password = a.encryptPassword(password);

            user.setUsername(username);
            user.setPassword(password);

            em.persist(user);

        em.getTransaction().commit();

jdbcRealm=org.apache.shiro.realm.jdbc.JdbcRealm
jdbcRealm.authenticationQuery = SELECT password from user where username = ?
jdbcRealm.userRolesQuery = select role from userroles where userID = (select id FROM user WHERE username = ?)

ds = com.mysql.jdbc.jdbc2.optional.MysqlDataSource
ds.serverName = localhost
ds.user = root
ds.password = password
ds.databaseName = myDatabase
jdbcRealm.dataSource= $ds

credentialsMatcher = org.apache.shiro.authc.credential.HashedCredentialsMatcher
credentialsMatcher.hashAlgorithmName = SHA-256
credentialsMatcher.storedCredentialsHexEncoded = true
credentialsMatcher.hashIterations = 10000
credentialsMatcher.hashSalted = true

$shiro1$SHA-256$500000$xRvz5dByhvAtFG7VHlCjHA==$xxakvEZdBF6cI+UmyR1OY098tAlscOKhpwQuT7THijw=