Method and apparatus for an adapter card providing conditional a

Details Method and apparatus for an adapter card providing conditional a Method and apparatus for an adapter card providing conditional a

1995-11-13

1997-07-29

Cangialosi, Salvatore

Cryptography

Particular algorithmic function encoding

Nbs/des algorithm

380 20, 34082531, H04L 900

Patent

active

056527950

ABSTRACT:
A method and apparatus for an adapter card, for use in a computer, to provide conditional access by the computer to incoming data streams while maintaining the security of information by maintaining a listing of addresses corresponding to data streams which the computer is authorized to receive, receiving and determining the address of a frame, determining whether the frame address matches an address maintained in an Access Table, and processing and transmitting only those frames of data streams which the computer is authorized to receive.

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