“Digital Signatures Schemes: An Integrative Literature Review of Asymmetric Cryptography Usage As a Technical Method for Authenticity and Nonrepudiation on Remote Medical Reports for PACS”. Anais Do Encontro De Computação Do Oeste Potiguar ECOP UFERSA (ISSN 2526-7574), vol. 1, nº 2, maio de 2018, https://revistacaatinga.com.br/index.php/ecop/article/view/7901.