Method for exchanging authentication information between a...

Details Method for exchanging authentication information between a... Method for exchanging authentication information between a...

2008-07-01

2008-07-01

Moazzami, Nasser (Department: 2136)

Cryptography

Communication system using cryptography

Wireless communication

C380S046000, C708S250000, C713S169000

Reexamination Certificate

active

07394901

ABSTRACT:
An exchange of information between a communication entity e.g. a mobile telephone and the operator server upon which it is dependent, in order to carry out authentication operations by exchanging keys and using cryptography algorithms. According to the invention, an algorithm is used, comprising: algorithmic treatments using, as input data, all or part of a random number and operating keys derived from two keys, and a combined treatment using data derived from algorithmic treatments in order to provide results to enable the linkage.

REFERENCES:
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patent: 2002/0018569 (2002-02-01), Panjwani et al.
patent: 2002/0078345 (2002-06-01), Sandhu et al.
patent: 2002/0120844 (2002-08-01), Faccin et al.
patent: 2002/0197979 (2002-12-01), Vanderveen
patent: 2 342 817 (2000-04-01), None
International Standard, ISO 8732, Organisation internationale de normalization, 1988, pp. 1-72.
Chapter 7, Block Ciphers, Sections 7.4 through 7.8, pp. 250-282.
Chapter 9, Hash Functions and Data Integrity, Sections 9.1 through 9.2, pp. 321-331.
Chapter 18, “Fonctions de hachage a sens unique” (One-Way Hash Functions), pp. 454-483.
Financial Services Technical Publication Developed By Accredited Standards Committee X9—Financial Services, Financial Institution Key Management (Wholesale), Global Engineering Documents, ANSI X9.17, 1995, pp. 1-152.

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