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:
Feb. 02, 2021
Filed:
May. 29, 2018
International Business Machines Corporation, Armonk, NY (US);
Jan L. Camenisch, Thalwil, CH;
Emmanuel Delamarche, Thalwil, CH;
Eduarda Freire Stögbuchner, Unterhaching, DE;
Onur Gökçe, Zurich, CH;
INTERNATIONAL BUSINESS MACHINES CORPORATION, Armonk, NY (US);
Abstract
Methods are provided for authenticating a container of items to be sent by a sender to a receiver. The method includes: packing a plurality of items, each having a respective item identifier, in the container; providing a container identifier on the container; and generating a first digital signature by signing a message, comprising the container identifier and each item identifier, using a secret signing key skof a signing-verification key pair (sk, pk) of a digital signature scheme. The method further comprises providing the first digital signature for access by the receiver, and sending the container to the receiver. A corresponding verification method comprises accessing the first digital signature, and verifying the first digital signature for the container identifier and the item identifier for each item in the container using the verification key pkof the sender key pair (sk, pk).