Data flow control apparatus and memory apparatus

Details Data flow control apparatus and memory apparatus Data flow control apparatus and memory apparatus

1994-05-31

1996-12-24

Harrell, Robert B.

Cryptography

Key management

Having particular key generator

380 4, 395491, G06F 1214, H04K 100, H04L 900

Patent

active

055881378

ABSTRACT:
There are provided a data flow control apparatus for outputting data through a switchover and a memory apparatus in which such a data flow control apparatus is incorporated. A replacement data is defined for an array of addresses which would not appear sequentially as in a branch instruction and the like. The replacement data is only outputted when the address data are inputted in the order of the array. Thus, it is possible to prevent an illegal copy of softwares.

REFERENCES:
patent: 4685056 (1987-08-01), Barnsdale, Jr. et al.

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