Ara es mostren els items 6-25 de 49

    • CAL-A: Examen FQ: primavera 2019 

      Herranz Sotoca, Javier; Huemer, Clemens (Universitat Politècnica de Catalunya, 2019-06-07)
      Examen
      Accés restringit a la comunitat UPC
    • CAL-A: Examen MQ: primavera 2019 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2019-03-25)
      Examen
      Accés restringit a la comunitat UPC
    • CÀLCUL (Examen final, 1r quadrimestre) 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2024-01-12)
      Examen
      Accés restringit a la comunitat UPC
    • CÀLCUL (Examen parcial, 1r quadrimestre) 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2023-10-24)
      Examen
      Accés restringit a la comunitat UPC
    • Cifrado homomorfico de clave publica basado en Residuosidad Cuadratica 

      Herranz Sotoca, Javier; Sisternes, Juan Ramón (2012)
      Text en actes de congrés
      Accés obert
      Los esquemas de cifrado de clave p´ ublica con propiedades homom´orficas tienen muchas utilidades en aplicaciones reales. Entre los esquemas con propiedades homom´orficas aditivas existentes, hay una familia (desde el ...
    • Classifying data from protected statistical datasets 

      Herranz Sotoca, Javier; Matwin, Stan; Nin Guerrero, Jordi; Torra i Reventós, Vicenç (2010-06-09)
      Article
      Accés obert
      Statistical Disclosure Control (SDC) is an active research area in the recent years. The goal is to transform an original dataset X into a protected one X0, such that X0 does not reveal any relation between confidential ...
    • CODES AND CRYPTOGRAPHY 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2016-11-02)
      Examen
      Accés restringit a la comunitat UPC
    • CODES AND CRYPTOGRAPHY 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2016-12-22)
      Examen
      Accés restringit a la comunitat UPC
    • CODES AND CRYPTOGRAPHY 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2016-01-08)
      Examen
      Accés restringit a la comunitat UPC
    • CODES AND CRYPTOGRAPHY 

      Herranz Sotoca, Javier (Universitat Politècnica de Catalunya, 2015-01-09)
      Examen
      Accés restringit a la comunitat UPC
    • Constant size ciphertexts in threshold attribute-based encryption 

      Herranz Sotoca, Javier; Laguillaumie, Fabien; Ràfols Salvador, Carla (Springer Verlag, 2010)
      Text en actes de congrés
      Accés obert
      Attribute-based cryptography has emerged in the last years as a promising primitive for digital security. For instance, it provides good solutions to the problem of anonymous access control. In a ciphertextpolicy attribute-based ...
    • Distributed privacy-preserving methods for statistical disclosure control 

      Herranz Sotoca, Javier; Nin Guerrero, Jordi; Torra i Reventós, Vicenç (2010)
      Article
      Accés restringit per política de l'editorial
      Statistical disclosure control (SDC) methods aim to protect privacy of the confidential information included in some databases, for example by perturbing the non-confidential parts of the original databases. Such methods ...
    • Efficient cryptosystems from 2k-th power residue symbols 

      Herranz Sotoca, Javier; Libert, Benoit; Joye, Marc; Benhamouda, Fabrice (2017-04)
      Article
      Accés obert
      Goldwasser and Micali (J Comput Syst Sci 28(2):270–299, 1984) highlighted the importance of randomizing the plaintext for public-key encryption and introduced the notion of semantic security. They also realized a cryptosystem ...
    • Examen final 

      Herranz Sotoca, Javier; Boza Rocho, Santiago; Olm Miras, Josep Maria; Alonso Alonso, María Teresa (Universitat Politècnica de Catalunya, 2018-06-06)
      Examen
      Accés restringit a la comunitat UPC
    • Examen final 

      Herranz Sotoca, Javier; Boza Rocho, Santiago; Olm Miras, Josep Maria; Alonso Alonso, María Teresa (Universitat Politècnica de Catalunya, 2019-01-22)
      Examen
      Accés restringit a la comunitat UPC
    • Examen MQ 

      Herranz Sotoca, Javier; Boza Rocho, Santiago; Olm Miras, Josep Maria; Alonso Alonso, María Teresa (Universitat Politècnica de Catalunya, 2018-04-06)
      Examen
      Accés restringit a la comunitat UPC
    • Examen MQ 

      Herranz Sotoca, Javier; Boza Rocho, Santiago; Olm Miras, Josep Maria; Alonso Alonso, María Teresa (Universitat Politècnica de Catalunya, 2018-10-29)
      Examen
      Accés restringit a la comunitat UPC
    • Firmas digitales con verificación distribuida en el modelo de seguridad estándar 

      Herranz Sotoca, Javier; Ruiz Rodríguez, Alexandre; Sáez Moreno, Germán (2012)
      Text en actes de congrés
      Accés obert
      Las firmas digitales con verificaci´on distribuida protegen en cierta manera el nivel de anonimato o privacidad del firmante, ya que un subconjunto autorizado de usuarios deben colaboran para verificar la (in)validez ...
    • How (not) to achieve both coercion resistance and cast as intended verifiability in remote eVoting 

      Finogina, Tamara; Herranz Sotoca, Javier; Larraia, Enrique (2021)
      Text en actes de congrés
      Accés obert
      We consider the problem of achieving, at the same time, cast-as-intended verifiability and coercion resistance, in remote electronic voting systems where there are no secure channels through which voters can receive secret ...
    • How to avoid repetitions in lattice-based deniable zero-knowledge proofs 

      Arnal i Clemente, Xavier; Cano Aguilera, Abraham; Finogina, Tamara; Herranz Sotoca, Javier (2022-06-23)
      Report de recerca
      Accés obert
      Interactive zero-knowledge systems are a very important cryptographic primitive, used in many applications, especially when deniability (also known as non-transferability) is desired. In the lattice-based setting, the ...