Uma biblioteca open source para implementação de assinatura em arquivos do tipo Portable Document Format

Abstract

With the increasing digitization of various aspects of human activities, electronic signatures have emerged as an alternative to manual signatures, as a way to make the process of document authentication more reliable, convenient, and cheap. In Brazil, there are still barriers to the adoption of this technology by organizations. This work aims to create a library for the Ruby programming language that facilitates the development of digital signature softwares. To enable this, Rubrik, a library capable of reading digital certificates and manipulating digital documents, was created. After that, the library was subjected to three verification methodologies, obtaining satisfactory results in all tests. Therefore, despite some specific objectives not being achieved, the legal validity of the signature made by Rubrik under Brazilian law was confirmed.