The CURUPIRA-2 Block Cipher for Constrained Platforms: Specification and Benchmarking. - Marcos A. Simplício Jr.; Paulo S. L. M. Barreto; Tereza Cristina M. B. Carvalho; Cíntia B. Margi; Mats Näslund (PiLBA, 2008)

PHD. - Marcos A. Simplício Jr.; Vlad Coroama; Yeda Regina Venturini; Tereza Cristina M. B. Carvalho; Mats Näslund; Makan Pourzandi (AINA, 2009)

The MARVIN message authentication code and the LETTERSOUP authenticated encryption scheme. - Marcos A. Simplício Jr.; Pedro d'Aquino F. F. S. Barbuda; Paulo S. L. M. Barreto; Tereza Cristina M. B. Carvalho; Cíntia B. Margi (Secur. Commun. Networks, 2009)

An architecture for P2P locality in managed networks using hierarchical trackers. - Charles Miers; Marcos A. Simplício Jr.; Walter Goya; Tereza Cristina M. B. Carvalho; Victor Souza (CNSM, 2010)

Impact of Operating Systems on Wireless Sensor Networks (Security) Applications and Testbeds. - Cíntia B. Margi; Bruno Trevizan de Oliveira; Gustavo T. de Sousa; Marcos A. Simplício Jr.; Paulo S. L. M. Barreto; Tereza Cristina M. B. Carvalho; Mats Näslund; Richard Gold (ICCCN, 2010)

Revisiting the Security of the Alred Design. - Marcos A. Simplício Jr.; Paulo S. L. M. Barreto; Tereza Cristina M. B. Carvalho (ISC, 2010)

Implementation of data survival in unattended Wireless Sensor Networks using cryptography. - Mateus A. S. Santos; Cíntia B. Margi; Marcos A. Simplício Jr.; C. C. F. Pereira Geovandro; Bruno Trevizan de Oliveira (LCN, 2010)

A survey on key management mechanisms for distributed Wireless Sensor Networks. - Marcos A. Simplício Jr.; Paulo S. L. M. Barreto; Cíntia B. Margi; Tereza Cristina M. B. Carvalho (Comput. Networks, 2010)

A Taxonomy Model for Cloud Computing Services. - Nelson M. Gonzalez; Charles Miers; Fernando F. Redígolo; Marcos A. Simplício Jr.; Tereza Cristina M. B. Carvalho; Mats Näslund; Makan Pourzandi (CLOSER, 2011)

Comparison of Authenticated-Encryption schemes in Wireless Sensor Networks. - Marcos A. Simplício Jr.; Bruno Trevizan de Oliveira; Paulo S. L. M. Barreto; Cíntia B. Margi; Tereza Cristina M. B. Carvalho; Mats Näslund (LCN, 2011)

EbitSim: An Enhanced BitTorrent Simulation Using OMNeT++ 4. - Pedro Evangelista; Marcelo Amaral; Charles Miers; Walter Goya; Marcos A. Simplício Jr.; Tereza Cristina M. B. Carvalho; Victor Souza (MASCOTS, 2011)

One-time signature scheme from syndrome decoding over generic error-correcting codes. - Paulo S. L. M. Barreto; Rafael Misoczki; Marcos A. Simplício Jr. (J. Syst. Softw., 2011)

A family of implementation-friendly BN elliptic curves. - C. C. F. Pereira Geovandro; Marcos A. Simplício Jr.; Michael Naehrig; Paulo S. L. M. Barreto (J. Syst. Softw., 2011)

Flow-based Programming as a Solution for Cloud Computing Requirements. - Marcel R. Barros; Charles Miers; Marcos A. Simplício Jr.; Tereza Cristina M. B. Carvalho; Jan-Erik Mångs; Bob Melander; Victor Souza (ICORES, 2012)

Cryptanalysis of an efficient three-party password-based key exchange scheme. - Marcos A. Simplício Jr.; Rony R. M. Sakuragui (Int. J. Commun. Syst., 2012)

A quantitative analysis of current security concerns and solutions for cloud computing. - Nelson M. Gonzalez; Charles Miers; Fernando F. Redígolo; Marcos A. Simplício Jr.; Tereza Cristina M. B. Carvalho; Mats Näslund; Makan Pourzandi (J. Cloud Comput., 2012)

Revisiting the Security of the ALRED Design and Two of Its Variants: Marvin and LetterSoup. - Marcos A. Simplício Jr.; Paulo S. L. M. Barreto (IEEE Trans. Inf. Theory, 2012)

Survey and comparison of message authentication solutions on wireless sensor networks. - Marcos A. Simplício Jr.; Bruno Trevizan de Oliveira; Cíntia B. Margi; Paulo S. L. M. Barreto; Tereza Cristina M. B. Carvalho; Mats Näslund (Ad Hoc Networks, 2013)

Mobile health in emerging countries: A survey of research initiatives in Brazil. - Leonardo H. Iwaya; Marco A. L. Gomes; Marcos A. Simplício Jr.; Tereza Cristina Melo de Brito Carvalho; Cristina K. Dominicini; Rony R. M. Sakuragui; Marina S. Rebelo; Marco A. Gutierrez 001; Mats Näslund; P. Håkansson (Int. J. Medical Informatics, 2013)

SMSCrypto: A lightweight cryptographic framework for secure SMS transmission. - C. C. F. Pereira Geovandro; Mateus A. S. Santos; Bruno Trevizan de Oliveira; Marcos A. Simplício Jr.; Paulo S. L. M. Barreto; Cíntia B. Margi; Wilson Vicente Ruggiero (J. Syst. Softw., 2013)

Science DMZ: Support for e-Science in Brazil. - Dino Rafael Cristofoleti Magri; Tereza Cristina Melo de Brito Carvalho; Fernando Frota Redígolo; Marco Antonio Torrez Rojas; Marcos Antonio Simplicio Junior; Leandro Neumann Ciuffo; Gustavo Neves Dias; Alex Soares de Moura; Fausto Vetter (eScience Workshops, 2014)

Lyra: password-based key derivation with tunable memory and processing costs. - Leonardo C. Almeida; Ewerton R. Andrade; Paulo S. L. M. Barreto; Marcos A. Simplício Jr. (J. Cryptogr. Eng., 2014)

SecureTCG: a lightweight cheating-detection protocol for P2P multiplayer online trading card games. - Marcos A. Simplício Jr.; Mateus A. S. Santos; Rodrigo R. Leal; Marco A. L. Gomes; Walter Akio Goya (Secur. Commun. Networks, 2014)

Classifying Security Threats in Cloud Networking. - Bruno M. Barros; Leonardo H. Iwaya; Marcos A. Simplício Jr.; Tereza Cristina M. B. Carvalho; András Méhes; Mats Näslund (CLOSER, 2015)

OCP: A protocol for secure communication in federated content networks. - Hélcio M. Pimentel; Samuel Kopp; Marcos A. Simplício Jr.; Regina Melo Silveira; Graça Bressan (Comput. Commun., 2015)

Lyra2: Password Hashing Scheme with improved security against time-memory trade-offs. - Marcos A. Simplício Jr.; Leonardo C. Almeida; Ewerton R. Andrade; Paulo C. F. dos Santos; Paulo S. L. M. Barreto (IACR Cryptol. ePrint Arch., 2015)

SecourHealth: A Delay-Tolerant Security Framework for Mobile Health Data Collection. - Marcos A. Simplício Jr.; Leonardo H. Iwaya; Bruno M. Barros; Tereza Cristina M. B. Carvalho; Mats Näslund (IEEE J. Biomed. Health Informatics, 2015)

Georeferenced and secure mobile health system for large scale data collection in primary care. - Joao H. G. Sa; Marina S. Rebelo; Alexandra Brentani; Sandra J. F. E. Grisi; Leonardo H. Iwaya; Marcos A. Simplício Jr.; Tereza Cristina M. B. Carvalho; Marco A. Gutierrez 001 (Int. J. Medical Informatics, 2016)

Lyra2: Efficient Password Hashing with High Security against Time-Memory Trade-Offs. - Ewerton R. Andrade; Marcos A. Simplício Jr.; Paulo S. L. M. Barreto; Paulo C. F. dos Santos (IEEE Trans. Computers, 2016)

Lightweight and escrow-less authenticated key agreement for the internet of things. - Marcos A. Simplício Jr.; Marcos V. M. Silva; Renan C. A. Alves; Tiago K. C. Shibata (Comput. Commun., 2017)

Faster isogeny-based compressed key agreement. - Gustavo H. M. Zanon; Marcos A. Simplício Jr.; Geovandro C. C. F. Pereira; Javad Doliskani; Paulo S. L. M. Barreto (IACR Cryptol. ePrint Arch., 2017)

Energy-efficient node position identification through payoff matrix and variability analysis. - Anderson Aparecido Alves da Silva; Fen Zhou 001; Elvis Pontes; Marcos A. Simplício Jr.; Rui L. Aguiar; Adilson Eduardo Guelfi; Sergio Takeo Kofuji (Telecommun. Syst., 2017)

Using Externals IdPs on OpenStack: A Security Analysis of OpenID Connect, Facebook Connect, and OpenStack Authentication. - Glauber Cassiano Batista; Charles Christian Miers; Guilherme Piêgas Koslovski; Maurício Aronne Pillon; Nelson Mimura Gonzalez; Marcos A. Simplício Jr. (AINA, 2018)

A Taxonomy Model for Single Sign-on Oriented towards Cloud Computing. - Glauber Cassiano Batista; Maurício A. Pillon; Guilherme Piêgas Koslovski; Charles Christian Miers; Marcos A. Simplício Jr.; Nelson M. Gonzalez (CLOSER, 2018)

Multi-tenant Isolation of What?: Building a Secure Tenant Isolation Architecture for Cloud Networks. - Bruno Medeiros; Marcos A. Simplício Jr.; Ewerton R. Andrade (SoCC, 2018)

Demonstration of a framework for enabling security services collaboration across multiple domains. - Thiago R. M. Almeida; Bruno M. Barros; Ewerton R. Andrade; Marcos A. Simplício Jr.; Daniel Migault; Makan Pourzandi (NetSoft, 2018)

Privacy-Preserving Method for Temporarily Linking/Revoking Pseudonym Certificates in VANETs. - Marcos Antonio Simplicio Junior; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Leonardo T. D. Ferraz; Marcos Vinicius Maciel da Silva (TrustCom/BigDataSE, 2018)

A framework for enabling security services collaboration across multiple domains. - Daniel Migault; Marcos A. Simplício Jr.; Bruno M. Barros; Makan Pourzandi; Thiago R. M. Almeida; Ewerton R. Andrade; Tereza Cristina M. B. Carvalho (Comput. Electr. Eng., 2018)

qSCMS: Post-quantum certificate provisioning process for V2X. - Paulo S. L. M. Barreto; Jefferson E. Ricardini; Marcos A. Simplício Jr.; Harsh Kupwade Patil (IACR Cryptol. ePrint Arch., 2018)

A privacy-preserving method for temporarily linking/revoking pseudonym certificates in vehicular networks. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Leonardo T. D. Ferraz; Marcos V. M. Silva (IACR Cryptol. ePrint Arch., 2018)

Privacy-preserving linkage/revocation of VANET certificates without LAs. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Leonardo T. D. Ferraz; Marcos V. M. Silva (IACR Cryptol. ePrint Arch., 2018)

The Unified Butterfly Effect: Efficient Security Credential Management System for Vehicular Communications. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Marcos V. M. Silva (IACR Cryptol. ePrint Arch., 2018)

ACPC: Efficient revocation of pseudonym certificates using activation codes. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Marcos V. M. Silva (IACR Cryptol. ePrint Arch., 2018)

Designing and Assessing Multi-tenant Isolation Strategies for Cloud Networks. - Bruno Medeiros; Marcos A. Simplício Jr.; Ewerton R. Andrade (ICIN, 2019)

Schnorr-based implicit certification: improving the security and efficiency of V2X communications. - Paulo S. L. M. Barreto; Marcos A. Simplício Jr.; Jefferson E. Ricardini; Harsh Kupwade Patil (IACR Cryptol. ePrint Arch., 2019)

Accelerated V2X provisioning with Extensible Processor Platform. - Henrique S. Ogawa; Thomas E. Luther; Jefferson E. Ricardini; Helmiton Cunha; Marcos A. Simplício Jr.; Diego F. Aranha; Ruud Derwig; Harsh Kupwade Patil (IACR Cryptol. ePrint Arch., 2019)

Faster Key Compression for Isogeny-Based Cryptosystems. - Gustavo H. M. Zanon; Marcos A. Simplício Jr.; Geovandro C. C. F. Pereira; Javad Doliskani; Paulo S. L. M. Barreto (IEEE Trans. Computers, 2019)

Experimental data for - Dizang A solution for collecting forensic evidences in cloud environments. - Hamilton Fonte; Marcos A. Simplício Jr. (IEEE DataPort, 2019)

A Fair, Traceable, Auditable and Participatory Randomization Tool for Legal Systems. - Marcos Vinicius M. Silva; Marcos Antonio Simplicio Junior; Roberto Augusto Castellanos Pfeiffer; Julio Michael Stern (CoRR, 2020)

Fast Additive Partially Homomorphic Encryption From the Approximate Common Divisor Problem. - Eduardo Lopes Cominetti; Marcos A. Simplício Jr. (IEEE Trans. Inf. Forensics Secur., 2020)

Topics modeling in computer science articles. - José Meléndez Barros; Rosa Virginia Encinas Quille; Marcio Barbado Junior; Pedro Luiz Pizzigatti Corrêa; Glauber De Bona; Marcos Antonio Simplicio Junior (IEEE DataPort, 2020)

Container Allocation and Deallocation Traceability using Docker Swarm with Consortium Hyperledger Blockchain. - Marco A. Marques; Charles Miers; Marcos A. Simplício Jr. (CLOSER, 2021)

z-OTS: a one-time hash-based digital signaturescheme with fast verification. - Amos Zheng; Marcos A. Simplício Jr. (IACR Cryptol. ePrint Arch., 2021)

Schnorr-Based Implicit Certification: Improving the Security and Efficiency of Vehicular Communications. - Paulo S. L. M. Barreto; Marcos A. Simplício Jr.; Jefferson E. Ricardini; Harsh Kupwade Patil (IEEE Trans. Computers, 2021)

Privacy-Preserving Certificate Linkage/Revocation in VANETs Without Linkage Authorities. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Leonardo T. D. Ferraz; Marcos Vinicius M. Silva (IEEE Trans. Intell. Transp. Syst., 2021)

Revocation in Vehicular Public Key Infrastructures: Balancing privacy and efficiency. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Harsh Kupwade Patil; Jefferson E. Ricardini; Marcos Vinicius M. Silva (Veh. Commun., 2021)

Securing hard drives with the Security Protocol and Data Model (SPDM). - Renan C. A. Alves; Bruno C. Albertini; Marcos A. Simplício Jr. (ISVLSI, 2022)

Faster verification of V2X BSM messages via Message Chaining. - Eduardo Lopes Cominetti; Marcos Vinicius M. Silva; Marcos A. Simplício Jr.; Harsh Kupwade Patil; Jefferson E. Ricardini (IACR Cryptol. ePrint Arch., 2022)

Message verification with ECDSA: ECVQ vs SIMPL certificates. - Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Marcos Vinicius Maciel da Silva (IEEE DataPort, 2022)

Performance analysis of the Raft consensus algorithm on Hyperledger Fabric and Ethereum on cloud. - Joao Henrique Faes Battisti; Vitor E. Batista; Guilherme P. Koslovski; Maurício A. Pillon; Charles Christian Miers; Marco A. Marques; Marcos A. Simplício Jr.; Diego Kreutz (CloudCom, 2023)

Blind signatures from Zero knowledge in the Kummer variety. - Paulo S. L. M. Barreto; Devin D. Reich; Marcos A. Simplício Jr.; Gustavo H. M. Zanon (IACR Cryptol. ePrint Arch., 2023)

Faster verification of V2X basic safety messages via Message Chaining. - Eduardo Lopes Cominetti; Marcos Vinicius M. Silva; Marcos A. Simplício Jr.; Harsh Kupwade Patil; Jefferson E. Ricardini (Veh. Commun., 2023)

DVID: Adding Delegated Authentication to SPIFFE Trusted Domains. - Andrew Jessup; Henrique Zanela Cochak; Guilherme P. Koslovski; Maurício A. Pillon; Charles Christian Miers; Pedro H. Barcha Correia; Marco A. Marques; Marcos A. Simplício Jr. (AINA (4), 2024)

Comparative Analysis of Permissioned Blockchains: Cosmos, Hyperledger Fabric, Quorum, and XRPL. - Pedro H. Barcha Correia; Marcos A. Marques; Marcos A. Simplício Jr.; Luciano Ermlivitch; Charles Christian Miers; Maurício A. Pillon (Blockchain, 2024)

Enhancing SPIFFE/SPIRE Environment with a Nested Security Token Model. - Henrique Zanela Cochak; Milton P. Pagliuso Neto; Charles Christian Miers; Marco A. Marques; Marcos A. Simplício Jr. (CLOSER, 2024)

Lightweight SPIFFE Verifiable Identity Document (LSVID): A Nested Token Approach for Enhanced Security and Flexibility in SPIFFE. - Henrique Zanela Cochak; Charles Christian Miers; Pedro H. Barcha Correia; Marco A. Marques; Marcos A. Simplício Jr. (CloudCom, 2024)

Is Benaloh Challenge Suitable. - Roberto Araújo 001; Marcos A. Simplício Jr.; Eduardo Lopes Cominetti; Paulo Matias; Jacques Traoré (E-Vote-ID (GI), 2024)

Amazon Biobank: Assessing the Implementation of a Blockchain-Based Genomic Database. - Leonardo T. Kimura; Felipe K. Shiraishi; Ewerton R. Andrade; Tereza Cristina M. B. Carvalho; Marcos A. Simplício Jr. (IEEE Access, 2024)

Applying Post-Quantum Cryptography Algorithms to a DLT-Based CBDC Infrastructure: Comparative and Feasibility Analysis. - Daniel de Haro Moraes; João Paulo Aragão Pereira; Bruno Estolano Grossi; Gustavo Mirapalheta; George Marcel Monteiro Arcuri Smetana; Wesley Rodrigues; Courtnay Nery Guimarães Jr.; Bruno Domingues; Fábio Saito; Marcos A. Simplício Jr. (IACR Cryptol. ePrint Arch., 2024)

Tailoring two-dimensional codes for structured lattice-based KEMs and applications to Kyber. - Thales B. Paiva; Marcos A. Simplício Jr.; Syed Mahbub Hafiz; Bahattin Yildiz; Eduardo Lopes Cominetti (IACR Cryptol. ePrint Arch., 2024)

Testing the limits of SPDM: Authentication of intermittently connected devices. - Renan C. A. Alves; Otávio F. Freitas; Bruno C. Albertini; Marcos A. Simplício Jr. (Comput. Secur., 2025)

On the use of ECDSA with hierarchical public key delegation in identity-based scenarios. - Lucas C. Cardoso; Marcos A. Simplício Jr. (IACR Cryptol. ePrint Arch., 2025)

Incompleteness in Number-Theoretic Transforms: New Tradeoffs and Faster Lattice-Based Cryptographic Applications. - Syed Mahbub Hafiz; Bahattin Yildiz; Marcos A. Simplício Jr.; Thales B. Paiva; Henrique S. Ogawa; Gabrielle De Micheli; Eduardo Lopes Cominetti (IACR Cryptol. ePrint Arch., 2025)

Faster amortized bootstrapping using the incomplete NTT for free. - Thales B. Paiva; Gabrielle De Micheli; Syed Mahbub Hafiz; Marcos A. Simplício Jr.; Bahattin Yildiz (IACR Cryptol. ePrint Arch., 2025)

Introducing two ROS attack variants: breaking one-more unforgeability of BZ blind signatures. - Bruno M. F. Ricardo; Lucas C. Cardoso; Leonardo T. Kimura; Paulo S. L. M. Barreto; Marcos A. Simplício Jr. (IACR Cryptol. ePrint Arch., 2025)

Tailorable codes for lattice-based KEMs with applications to compact ML-KEM instantiations. - Thales B. Paiva; Marcos A. Simplício Jr.; Syed Mahbub Hafiz; Bahattin Yildiz; Eduardo Lopes Cominetti; Henrique S. Ogawa (IACR Trans. Cryptogr. Hardw. Embed. Syst., 2025)

Benchmarking the security protocol and data model (SPDM) for component authentication. - Renan C. A. Alves; Bruno C. Albertini; Marcos A. Simplício Jr. (Int. J. Inf. Sec., 2025)