Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1988-12-30
1990-05-15
Cangialosi, Salvatore
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 25, 380 33, 380 47, H04L 904
Patent
active
049264788
ABSTRACT:
An authentication system in which communication between two locations is provided by a continuous full duplex bidirectional communications highway, which highway is a secure link between the two locations. Each location transmits information to the opposite location on a bit-by-bit basis, with a previously transmitted bit of information serving as a decoding key for the most recently received bit of information and said received bit in turn serving as the encoding key for the next bit to be transmitted. An authenticated transaction record is provided upon receipt of verified transactional data, and the reception of remotely received information may be authenticated to the sender of such data.
REFERENCES:
patent: 4805216 (1989-02-01), Gruenberg
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