Method for generating a random number for the encoded transmissi

Details Method for generating a random number for the encoded transmissi Method for generating a random number for the encoded transmissi

1990-03-08

1991-11-19

Tarcza, Thomas H.

Cryptography

Key management

Having particular key generator

36422421, H04L 900

Patent

active

050671561

ABSTRACT:
Method for generating a random number for the encoded transmission of data using a variable starting value. Using a most recently used and intermediately stored random number, every byte of this random number has a logical operation performed on it with respective bytes of a plurality of data blocks, each being n-bytes wide, from the working memory of the chip card processor and the result of this multiple operation is used as starting value for generating a new random number.

REFERENCES:
patent: 4786790 (1988-11-01), Kruse et al.
patent: 4890324 (1989-12-01), Jansen

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