Digital ticketing system and method

Details Digital ticketing system and method Digital ticketing system and method

Filed on

2006-05-22

Date issued

2010-11-30

Examiner

Le, Thien M (Department: 2887)

Patent Class

Registers

SubClass

Systems controlled by data bearing records

SubSubClass

Inventory

Other Related Categories

C235S382000

Type

Reexamination Certificate

Status

active

Patent number

07841525

Description

ABSTRACT:
In a digital ticketing system, tickets are created in groups. All the digital tickets in a group share a common signature value, but each ticket in the group has a unique seed value, which may be a random number. The common signature value is derived from hashing all the seed values in the group and then digitally signing a combination of the hash values. In one example, the hash values are concatenated and encrypted with a private key to generate the common signature value. The system may be implemented and tickets exchanged using mobile devices, such as mobile telephones.

REFERENCES:
patent: 5136647 (1992-08-01), Haber et al.
patent: 6023509 (2000-02-01), Herbert et al.
patent: 6079018 (2000-06-01), Hardy et al.
patent: 6199053 (2001-03-01), Herbert et al.
patent: 7162639 (2007-01-01), Bleumer
patent: 2007/0106908 (2007-05-01), Miyazaki et al.
Chakravorty et al., “MoB: A Mobile Bazaar for Wide-area Wireless Services,” pp. 228-242.

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