Method and apparatus for maintaining the privacy of digital messages conveyed by public transmission
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United States of America Patent
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-
Jan 28, 1986
Grant Date -
N/A
app pub date -
Sep 14, 1982
filing date -
Feb 2, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A private message of m bits is conveyed from its sender to its receiver by transmission of a public message of m bits, transmission of a public reply of m bits, and another transmission of a public message of m bits such that only the intended receiver can easily recover the private message from the three public messages. This private message now available to both the sender and intended receiver also allows all subsequent private messages between these two points to require only one public message for each private message while maintaining the property that only the intended receiver of each message can easily recover the private message for each public message.
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