Data processing terminal device for storing encrypted journal da

Details Data processing terminal device for storing encrypted journal da Data processing terminal device for storing encrypted journal da

1986-09-02

1988-05-31

Shaw, Gareth D.

Boots, shoes, and leggings

235380, G06F 100, G06K 500

Patent

active

047485574

ABSTRACT:
A data processing terminal device is on-line connected to a host computer and records on journal paper journal data obtained as a result of communication with the host computer. Data is encrypted, and encrypted data is exchanged between the terminal device and the host computer. An IC card connected to the terminal device receives the encrypted data from the host computer, decrypts the data, modifies it and records the data on a recording medium. The terminal device records decrypted data on a journal paper. By comparing the journal data with it's modified data recorded on the IC card, journal data alteration can be easily detected.

REFERENCES:
patent: 4511970 (1985-04-01), Okano et al.

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