Method of generating a unique number for a smart card and its us

Details Method of generating a unique number for a smart card and its us Method of generating a unique number for a smart card and its us

1990-08-22

1991-11-26

Gregory, Bernarr E.

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 24, 380 25, 380 29, 380 46, 331 78, 364717, 34082531, 34082534, 235379, 235380, 235382, H04L 932, G07F 708, H03B 2900, G06F 102

Patent

active

050688944

ABSTRACT:
A smart card (1) which includes a random access memory RAM (10) and a read-only memory PROM (7) incorporating a production key (PK), a distributor key (MK), a bearer code (CP) and a serial number (NS) generates a unique number (NU) which is stored in the memory RAM (10) in the card after execution of the following steps of a program which is specific of the card:

REFERENCES:
patent: 4295039 (1981-10-01), Stuckert
patent: 4804825 (1989-02-01), Bitoh
patent: 4849927 (1989-07-01), Vos
FIPS Pub 46-1 "Data Encryption Standard", U.S. Department of Commerce/National Bureau of Standards, reaffirmed Jan. 12, 1988.

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