Device and method to render secure the transfer of data...

Details Device and method to render secure the transfer of data... Device and method to render secure the transfer of data...

H - Electricity

04

M

350/34, 340/70

H04M 11/06 (2006.01) H04L 9/00 (2006.01) H04L 9/08 (2006.01) H04M 11/08 (2006.01)

Patent

CA 1326535

ABSTRACT OF THE DISCLOSURE The protection of the transfer of data between a videotex terminal (TVX) and a server (SE) is carried out by means of an additional package (BA) connected to a video adaptor connector (PPI) of the terminal (TVX). In a presession embodiment, the package acts on the switching device (AIG) of the terminal by monitoring any other action on said switching equipment. The switching cabinet and the server conduct dialogue according to a predetermined sequence of operations comprising the definition of a transmitted session key encrypted in accordance with a basic key. Any anomaly occuring during this dialogue aborts the presession mode. (Figure 1).

582801

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