Title:
MAKING SECURE DATA FOR CUSTOMER LOYALTY PROGRAMMES
Document Type and Number:
WIPO Patent Application WO2006092539
Kind Code:
A3
Abstract:
The invention concerns a portable device, a terminal, a system and a method for recording data concerning a transaction through the terminal (1) of a merchant on a portable device (3) of customer loyalty with a group of at least one merchant, said transaction being recorded by the said merchant terminal (1) on the portable device (3), in accordance with the following steps, implemented in any particular order: a first recording corresponding to said transaction encrypted with an encryption key (C1) of the customer, and a second recording corresponding to said transaction encrypted with a key (M1) associated with said group to which said merchant belongs.
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Inventors:
MORIN BENJAMIN (FR)
CANARD SEBASTIEN (FR)
CLERC FABRICE (FR)
CANARD SEBASTIEN (FR)
CLERC FABRICE (FR)
Application Number:
PCT/FR2006/050190
Publication Date:
November 30, 2006
Filing Date:
March 02, 2006
Export Citation:
Assignee:
FRANCE TELECOM (FR)
MORIN BENJAMIN (FR)
CANARD SEBASTIEN (FR)
CLERC FABRICE (FR)
MORIN BENJAMIN (FR)
CANARD SEBASTIEN (FR)
CLERC FABRICE (FR)
International Classes:
G06Q20/00; H04L9/30
Foreign References:
| FR2812424A1 | 2002-02-01 | |||
| US20030059049A1 | 2003-03-27 | |||
| US20040026496A1 | 2004-02-12 | |||
| EP1176844A2 | 2002-01-30 |
Other References:
PIPER F: "Some trends in research in cryptography and security mechanisms", COMPUTERS & SECURITY, ELSEVIER SCIENCE PUBLISHERS. AMSTERDAM, NL, vol. 22, no. 1, January 2003 (2003-01-01), pages 22 - 25, XP004410373, ISSN: 0167-4048
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