The Early Days of RSA -- History and Lessons Ronald L. Rivest MIT ...
The Early Days of RSA -- History and Lessons Ronald L. Rivest MIT ...
The Early Days of RSA -- History and Lessons Ronald L. Rivest MIT ...
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Invention <strong>of</strong> <strong>RSA</strong><br />
u Tried <strong>and</strong> discarded many approaches,<br />
including some “knapsack-based” ones.<br />
(Len was great at killing <strong>of</strong>f bad ideas.)<br />
u “Group <strong>of</strong> unknown size” seemed useful<br />
idea… as did “permutation polynomials”…<br />
u After a “seder” at a student’s…<br />
u “<strong>RSA</strong>” uses n = pq product <strong>of</strong> primes:<br />
C = M e (mod n) [public key (e,n)]<br />
M = C d (mod n) [private key (d,n)]
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