Experimental Evaluation and Expansion Suggestion of Digital Signatures Available on OP-TEE. - Ewerton R. Andrade; Cristiano Coimbra Goes; João Bezerra Da R. Neto; César Augusto De S. Pastorini; Janislley Oliveira de Sousa (DASC/PiCom/CBDCom/CyberSciTech, 2023)