Patents by Inventor Patrick Dehornoy

Patrick Dehornoy 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).

  • Public key cryptographic method based on braid groups
    Patent number: 7401226
    Abstract: A public key cryptographic method based on groups of braids. The method employs a secret key defined by a representative s of a given braid S in a braid group G, a public key defined by a representative v of the braid T(S) converted from the braid S by an operator T, and an operation of verifying the equality of two braids, i.e. the equivalence of representatives of the two braids.
    Type: Grant
    Filed: October 24, 2002
    Date of Patent: July 15, 2008
    Assignee: France Telecom
    Inventors: Marc Girault, Jean-Francois Misarsky, Patrick Dehornoy, Herve Sibert
  • Public key cryptographic method based on braid groups
    Publication number: 20040240672
    Abstract: A public key cryptographic method based on groups of braids. The method employs a secret key defined by a representative s of a given braid S in a braid group G, a public key defined by a representative v of the braid T(S) converted from the braid S by an operator T, and an operation of verifying the equality of two braids, i.e. the equivalence of representatives of the two braids.
    Type: Application
    Filed: April 16, 2004
    Publication date: December 2, 2004
    Inventors: Marc Girault, Jean-Francois Misarsky, Patrick Dehornoy, Herve Sibert