• Artículo
      Icon

      An Academic Approach to FPGA Design Based on a Distance Meter Circuit 

      Jiménez Fernández, Carlos Jesús; Baena Oliva, María del Carmen; Parra Fernández, María del Pilar; Potestad Ordóñez, Francisco Eugenio; Valencia Barrero, Manuel (IEEE Computer Society, 2020)
      Digital design learning at Register Transfer (RT) level requires practical and complex examples as learning progresses. ...
    • Artículo
      Icon

      Analysis of Metastable Operation in a CMOS Dynamic D-Latch 

      Juan Chico, Jorge; Bellido Díaz, Manuel Jesús; Acosta Jiménez, Antonio José; Valencia Barrero, Manuel; Huertas Díaz, José Luis (Springer, 1997)
      Nowadays, metastability is becoming a serious problem in high-performance VLSI design, mainly due to the relatively-high ...
    • Artículo
      Icon

      ASIC Design and Power Characterization of Standard and Low Power Multi-Radix Trivium 

      Mora Gutiérrez, José Miguel; Jiménez Fernández, Carlos Jesús; Valencia Barrero, Manuel (IEEE Computer Society, 2020)
      We are presenting the experimental measurements of the power consumption and the maximum frequency in an ASIC prototype ...
    • Artículo
      Icon

      Asynchronous Modular Arbiter 

      Calvo Aguilar, Justo; Acha Catalina, José Ignacio; Valencia Barrero, Manuel (IEEE Computer Society, 1986)
      A practical N-user arbiter and its implementation are presented in this correspondence. Because of the asynchronous character ...
    • Artículo
      IconIcon

      Breaking Trivium Stream Cipher Implemented in ASIC Using Experimental Attacks and DFA 

      Potestad Ordóñez, Francisco Eugenio; Valencia Barrero, Manuel; Baena Oliva, María del Carmen; Parra Fernández, María del Pilar; Jiménez Fernández, Carlos Jesús (MDPI, 2020-12)
      One of the best methods to improve the security of cryptographic systems used to exchange sensitive information is to ...
    • Artículo
      Icon

      Experimental FIA Methodology Using Clock and Control Signal Modifications under Power Supply and Temperature Variations 

      Potestad Ordóñez, Francisco Eugenio; Tena Sánchez, Erica; Mora Gutiérrez, José Miguel; Valencia Barrero, Manuel; Jiménez Fernández, Carlos Jesús (MDPI, 2021-11)
      The security of cryptocircuits is determined not only for their mathematical formulation, but for their physical implementation. ...
    • Artículo
      Icon

      Multiradix Trivium Implementations for Low-Power IoT Hardware 

      Mora Gutiérrez, José Miguel; Jiménez Fernández, Carlos Jesús; Valencia Barrero, Manuel (IEEE Computer Society, 2017)
      The integration of lightweight symmetric encryption is becoming increasingly widespread in very low-power Internet of ...
    • Artículo
      Icon

      Trivium hardware implementations for power reduction 

      Mora Gutiérrez, José Miguel; Jiménez Fernández, Carlos Jesús; Valencia Barrero, Manuel (Wiley, 2017)
      This paper describes the use of parallelization techniques to reduce dynamic power consumption in hardware implementations ...
    • Artículo
      Icon

      Trivium Stream Cipher Countermeasures Against Fault Injection Attacks and DFA 

      Potestad Ordóñez, Francisco Eugenio; Tena Sánchez, Erica; Mora Gutiérrez, José Miguel; Valencia Barrero, Manuel; Jiménez Fernández, Carlos Jesús (Institute of Electrical and Electronics Engineers. IEEE, 2021-12)
      Attacks on cryptocircuits are becoming increasingly sophisticated, requiring designers to include more and more countermeasures ...
    • Artículo
      Icon

      Usando el ordenador para entender el ordenador 

      Molina Cantero, Alberto Jesús; Valencia Barrero, Manuel; Escudero Fombuena, José Ignacio; Medina Rodríguez, Ana Verónica (1997)
    • Artículo
      Icon

      Vulnerability Analysis of Trivium FPGA Implementations 

      Potestad Ordóñez, Francisco Eugenio; Jiménez Fernández, Carlos Jesús; Valencia Barrero, Manuel (IEEE Computer Society, 2017)
      Today, the large amount of information exchanged among various devices as well as the growth of the Internet of Things ...