Method and a system enabling software to be run securely

Details Method and a system enabling software to be run securely Method and a system enabling software to be run securely

1990-11-16

1992-01-21

Tarcza, Thomas H.

Cryptography

Cryptanalysis

380 23, 380 25, H04L 900

Patent

active

050833090

ABSTRACT:
When a user receives a data medium containing software, the user is also provided with a memory card that must remain engaged in a card reader associated with the computer on which the software is run while the software is being run. Various intermediate results are stored in the memory of the card and not in the memory of the computer. During subsequent execution of the software these intermediate results are read back from the memory in the card.

REFERENCES:
patent: 4683553 (1987-07-01), Mollier
patent: 4907268 (1990-03-01), Bosen et al.
patent: 4932054 (1990-06-01), Chou et al.

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