I work on the software team for telecommunications products, such as IP terminals, PBX, and gateways, as well as web and mobile applications. I primarily work with embedded Linux and development in C, Python, Lua, and shellscript.Activities performed during this period:* Implementations and improvements in software using C, Lua, and shellscript for embedded products.* Development of automated tests with Python that execute remote commands on an IP phone to start or answer calls and test product functionalities.* Analysis of SIP call logs and SYSLOG from the product using Wireshark.* Simulation of SIP message exchanges using SIPP to reproduce specific scenarios.* Generating firmware versions for products using the Yocto Project and Bitbake.* Development of Android application using Java and Android Studio.

Research project for the PGID of the National Education and Research Network (RNP) for the integration of passkeys as an authentication factor in a Shibboleth identity provider.Activities performed:* Study on federated authentication, SSO, SAML, Shibboleth IdP, FIDO standards, WebAuthn, and passkeys authentication.* Changes to the PostgreSQL database model to support passkeys.* Creation of new endpoints in the API using Spring Boot and new screens using the Thymeleaf template engine.* Publication and presentation at the Digital Identity Management Workshop during the XXIII Brazilian Symposium on Information Security and Computational Systems.