Patents by Inventor Sarah LOPEZ

Sarah LOPEZ has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cryptographic processing method, related electronic device and computer program
    Patent number: 11973866
    Abstract: A cryptographic processing method comprises the following steps: obtaining a second number determined by adding to a first number the order of a finite group or a multiple of this order; determining a quotient and a remainder by dividing the second number by a random number; obtaining a third element equal to the combination of elements equal to a first element of the finite group and in number equal to the product of the quotient and the random number; obtaining a fourth element equal to the combination of elements equal to the first element and in number equal to the remainder; determining a second element by combining the third element and the fourth element.
    Type: Grant
    Filed: June 22, 2021
    Date of Patent: April 30, 2024
    Assignee: IDEMIA FRANCE
    Inventors: Guillaume Barbu, Alberto Battistello, Luk Bettale, Nicolas Debande, Christophe Giraud, Sarah Lopez, Franck Rondepierre
  • CRYPTOGRAPHIC PROCESSING METHOD, RELATED ELECTRONIC DEVICE AND COMPUTER PROGRAM
    Publication number: 20210409208
    Abstract: A cryptographic processing method comprises the following steps: obtaining a second number determined by adding to a first number the order of a finite group or a multiple of this order; determining a quotient and a remainder by dividing the second number by a random number; obtaining a third element equal to the combination of elements equal to a first element of the finite group and in number equal to the product of the quotient and the random number; obtaining a fourth element equal to the combination of elements equal to the first element and in number equal to the remainder; determining a second element by combining the third element and the fourth element.
    Type: Application
    Filed: June 22, 2021
    Publication date: December 30, 2021
    Inventors: Guillaume BARBU, Alberto BATTISTELLO, Luk BETTALE, Nicolas DEBANDE, Christophe GIRAUD, Sarah LOPEZ, Franck RONDEPIERRE