Data processing apparatus

Details Data processing apparatus Data processing apparatus

1997-03-20

1999-09-14

Swann, Tod R.

Cryptography

Cryptanalysis

380 50, 710116, 710129, 710 36, 710 55, H04L 900

Patent

active

059534168

ABSTRACT:
A data processing apparatus serves as I/O units coupled to information processes apparatuses such as computers. The data processing apparatus decodes encrypted data and performs processing according to message data. The data processing apparatus includes a data processing circuit performing decoding processing and message processing according to message data, a data buffer accessible from both the data processing circuit and the information processing apparatus, a data buffer monitor circuit monitoring states of read/write of the data to the data buffer, and an access control circuit controlling an access from the information processing apparatus to the data buffer.

REFERENCES:
patent: 4352952 (1982-10-01), Boone et al.
patent: 4771462 (1988-09-01), Hannan et al.
patent: 4797928 (1989-01-01), Dykes
patent: 4907275 (1990-03-01), Hashimoto
patent: 4914697 (1990-04-01), Dabbish
patent: 4972470 (1990-11-01), Farago
patent: 5224166 (1993-06-01), Hartman
patent: 5228083 (1993-07-01), Lozowick et al.
patent: 5253293 (1993-10-01), Shigemitsu
patent: 5325330 (1994-06-01), Morgan
patent: 5371793 (1994-12-01), Kimura
patent: 5412730 (1995-05-01), Jones
patent: 5633934 (1997-05-01), Hember
patent: 5682425 (1997-10-01), Enari

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