Patents by Inventor Marcel SENF

Marcel SENF 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).

  • Token-based authentication with signed message
    Patent number: 10972286
    Abstract: The invention relates to a method (50) for authenticating a user to a computer system (70), the method comprising the following steps executed in a token (10): generating (52) a counter value (20, 22) by utilizing a counting unit (12) implemented in the token (10), wherein at least a portion of generated counter values (20, 22) forms a strictly monotonous sequence, generating (54) a message (30) depending on the generated counter value (20, 22), signing (56) the generated message (30) by utilizing a private key (24) of the user, wherein the private key (24) is stored in the token (10), and wherein the private key (24) or a copy thereof is not provided to the computer system (70), and transmitting (58) the signed message to the computer system (70). The invention further relates to a token (10) for authenticating a user to a computer system (70) and to a method (60) executed on a computer system (70) for authenticating a user.
    Type: Grant
    Filed: July 18, 2017
    Date of Patent: April 6, 2021
    Assignee: BITAGENTUR GMBH & CO. KG
    Inventors: Maximilian Eidenschink, Marcel Senf
  • TOKEN-BASED AUTHENTICATION WITH SIGNED MESSAGE
    Publication number: 20190280876
    Abstract: The invention relates to a method (50) for authenticating a user to a computer system (70), the method comprising the following steps executed in a token (10): generating (52) a counter value (20, 22) by utilizing a counting unit (12) implemented in the token (10), wherein at least a portion of generated counter values (20, 22) forms a strictly monotonous sequence, generating (54) a message (30) depending on the generated counter value (20, 22), signing (56) the generated message (30) by utilizing a private key (24) of the user, wherein the private key (24) is stored in the token (10), and wherein the private key (24) or a copy thereof is not provided to the computer system (70), and transmitting (58) the signed message to the computer system (70). The invention further relates to a token (10) for authenticating a user to a computer system (70) and to a method (60) executed on a computer system (70) for authenticating a user.
    Type: Application
    Filed: July 18, 2017
    Publication date: September 12, 2019
    Inventors: Maximilian EIDENSCHINK, Marcel SENF