from passlib.context import CryptContext

# Encrypt the password

default_crypt_context = CryptContext(['pbkdf2_sha512', 'md5_crypt'],deprecated=['md5_crypt'],)
encrypted = default_crypt_context.encrypt('password')

# Password verification can be done this way
default_crypt_context.verify('password',encrypted)

@Bean
public Pbkdf2PasswordEncoder passwordEncoder() {

    Pbkdf2PasswordEncoder pbkdf2Sha512 = new Pbkdf2PasswordEncoder(secret, iterations, hashWidth);
    pbkdf2Sha512.setEncodeHashAsBase64(true);
    pbkdf2Sha512.setAlgorithm(SecretKeyFactoryAlgorithm.PBKDF2WithHmacSHA512);
    return pbkdf2Sha512;
}

@PostConstruct
public void init() {
    try {
        // auth.inMemoryAuthentication().withUser("julius").password("{noop}secret").roles("USER").and().withUser("admin")
        // .password("{noop}admin").roles("USER", "ADMIN");
        auth.jdbcAuthentication().dataSource(dataSource).usersByUsernameQuery(
                "select login as username, password_crypt as password, active as enabled from res_users where login=?")
                .authoritiesByUsernameQuery("select ru.login as username, rg.name as authority "
                        + "from res_groups_users_rel rgu, res_users ru, res_groups rg "
                        + "where rg.id = rgu.gid and ru.id = rgu.uid and ru.login=?");
        // .passwordEncoder(new Pbkdf2PasswordEncoder());

    } catch (Exception e) {
        throw new BeanInitializationException("Security configuration failed", e);
    }
}

@Override
public Authentication attemptAuthentication(HttpServletRequest request, HttpServletResponse response)
        throws AuthenticationException, IOException, ServletException {
    // Content-Type: application/x-www-form-urlencoded
    String username = request.getParameter("username");
    String password = request.getParameter("password");
    UsernamePasswordAuthenticationToken authenticationToken =
            new UsernamePasswordAuthenticationToken(username, password);

    Authentication authentication = this.authenticationManager.authenticate(authenticationToken);
    SecurityContextHolder.getContext().setAuthentication(authentication);
    return authentication;
}

$pbkdf2-sha512$25000$vpfyXqs1xhgDIMTY21vLuQ$DAKoL7puHkSZeQM0dF/caP6rbuhXSoIKAMue5a2jcCAf8.P62lJUKy9CDfjCyvXhLqfxUXukvp7LBrL8zZok8g

ERROR o.s.b.w.s.support.ErrorPageFilter - Forwarding to error page from request [/api/authenticate] due to exception [Detected a Non-hex character at 1 or 2 position]
java.lang.IllegalArgumentException: Detected a Non-hex character at 1 or 2 position
at org.springframework.security.crypto.codec.Hex.decode(Hex.java:62)
at org.springframework.security.crypto.password.Pbkdf2PasswordEncoder.decode(Pbkdf2PasswordEncoder.java:166)
at org.springframework.security.crypto.password.Pbkdf2PasswordEncoder.matches(Pbkdf2PasswordEncoder.java:142)
at org.springframework.security.config.annotation.authentication.configuration.AuthenticationConfiguration$LazyPasswordEncoder.matches(AuthenticationConfiguration.java:289)
at org.springframework.security.authentication.dao.DaoAuthenticationProvider.additionalAuthenticationChecks(DaoAuthenticationProvider.java:86)
at org.springframework.security.authentication.dao.AbstractUserDetailsAuthenticationProvider.authenticate(AbstractUserDetailsAuthenticationProvider.java:166)
at org.springframework.security.authentication.ProviderManager.authenticate(ProviderManager.java:174)