The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 22, 2008
Filed:
Dec. 10, 2002
Peter Landrock, Cambridge, GB;
Peter Landrock, Cambridge, GB;
Cryptomathic A/S, Arhus, DK;
Abstract
A method of distributing the public key of an asymmetric key pair with a private key and the public key from a mobile station to a key managing computer, the method include the steps of: communicating a password (OTP) from the key managing () computer to the mobile station () of a registered user () by a secure channel () to thereby provide a shared secret; at the mobile station and at the key managing computer, generating a first code (MAC) and a second node (MACT), respectively, based on the same predefined generation method, which codes (MAC; MACT) are generated from the password (OTP); by the mobile station (), transmitting the public key and the first code (MAC) to the key managing computer (); at the key managing computer (), receiving the public key and the first code (MAC) from the mobile station (); checking the authenticity of the registered user () based on comparing the first code (MAC) and the second code (MACT).