Patent ID: 9218498
Filing Date: 2015-12-22
Classification: G06F,G06Q,G07B,G07F,H04L,H04W

Abstract:
1. A method of verifying the validity of an electronic parking ticket issued by a ticket machine, said ticket including parking data stored in memory of an electronic entity placed in a vehicle, the method comprising: wirelessly and securely obtaining said electronic ticket from said electronic entity; making available at least some of the parking data; wirelessly and securely obtaining from said electronic entity a digital certificate of the electronic entity and a cryptographic signature of said electronic ticket, wherein said digital certificate is based on specific data specific to said vehicle and a public key of said electronic entity, and only said electronic entity has a private key associated with said digital certificate, and wherein said cryptographic signature is calculated by said ticket machine while incorporating therein said electronic ticket and said digital certificate; making available at least a portion of said specific data; and verifying said digital certificate to authenticate said electronic entity.