Amaral, Luiz, Jorge Guilherme Silva dos Santos, Mateus Almeida Rocha, Joseph Gersch, Georges Daniel Amvame-Nze, Robson de Oliveira Albuquerque, and Rafael Timóteo de Sousa Júnior. " Authentication of Identity Documents Using DNSSEC, Digital Signatures and QR Codes." Proceedings of the 17th Brazilian Symposium on Information and Computational Systems Security, Brasília, 2017. SBC, 2017, pp.362-373.