Patents by Inventor Martin LANSLER

Martin LANSLER 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).

  • Patent number: 10164954
    Abstract: The present invention relates to a method to manage a One Time Password key, referenced OTP key, used in an OTP algorithm in a user device having access to an unsafe storage including the steps of retrieving a Personal Identification Number, named PIN, of a user of the user device, deriving a symmetric key from the PIN, encrypting the OTP key using the derived symmetric key, storing the encrypted OTP key in the unsafe storage, decrypting the OTP key using the derived symmetric key, and generating a next OTP key using an incremental parameter, wherein the start value of the incremental parameter of the OTP key generation is random.
    Type: Grant
    Filed: March 25, 2015
    Date of Patent: December 25, 2018
    Assignee: GEMALTO SA
    Inventors: Martin Lansler, Sébastien Petit, Guillaume Pierquin
  • Publication number: 20170104739
    Abstract: The present invention relates to a method to manage a One Time Password key, referenced OTP key, used in an OTP algorithm in a user device having access to an unsafe storage including the steps of retrieving a Personal Identification Number, named PIN, of a user of the user device, deriving a symmetric key from the PIN, encrypting the OTP key using the derived symmetric key, storing the encrypted OTP key in the unsafe storage, decrypting the OTP key using the derived symmetric key, and generating a next OTP key using an incremental parameter, wherein the start value of the incremental parameter of the OTP key generation is random.
    Type: Application
    Filed: March 25, 2015
    Publication date: April 13, 2017
    Applicant: GEMALTO SA
    Inventors: Martin LANSLER, Sébastien PETIT, Guillaume PIERQUIN