Method of modifying the functions performed by a command set of

Details Method of modifying the functions performed by a command set of Method of modifying the functions performed by a command set of

1997-02-18

2000-05-02

Kim, Kenneth S.

Electrical computers: arithmetic processing and calculating

Electrical digital calculating computer

Having specialized input

235380, 380 28, 705 41, 708145, G06F 1760

Patent

active

060584025

ABSTRACT:
A method is disclosed of modifying and/or extending the command set (READ, WRITE) of a smart card. Use is made of the attribute tables (100, 200, 300) associated with certain files and with the commands of the existing command set to modify the functions of the commands. Thus, non-standard functions may be implemented without the need to use additional, i.e. non-standard instructions.

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