Stream cipher operation using public key cryptosystem
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Sep 11, 1984
Grant Date -
N/A
app pub date -
Oct 13, 1981
filing date -
Oct 13, 1981
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In stream cipher operation (FIG. 1), a public key cryptographic system employs a filter (21, 22, 31, 32, 33) to alter each sequence (S.sub.i) input to the encryption devices (FIGS. 2 and 3) at the transmitter and the receiver of the system. Characteristics of the filter are known only to the sender and authorized receivers.
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