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:
Jun. 19, 2012
Filed:
Oct. 23, 2003
Gisela Meister, München, DE;
Nigol Martin, München, DE;
Gisela Meister, München, DE;
Nigol Martin, München, DE;
Giesecke & Devrient GmbH, Munich, DE;
Abstract
A method for effecting a secure electronic transaction on a terminal using a portable data carrier is proposed. According to the method a user () first authenticates himself vis-à-vis the portable data carrier (). The portable data carrier () at the same time produces quality information about how authentication was done. The authentication is confirmed to the terminal (). Then the portable data carrier () performs a security-establishing operation within the transaction, for example the creation of a digital signature. It attaches the quality information to the result of the security-establishing operation.