HELP! * GREY=local LOCAL HTML version of Foils prepared December 3,95

Foil 6 RSA: Public Key Cryptosystem

From Webwork and its application to Factoring on the Web Supercomputing 95 -- December 3-8,95. by Jim Cowie, Geoffrey Fox, Wojtek Furmanski * See also color IMAGE

RSA Security Systems built around numbers
RSA-N = Prime1 * Prime2
A Product of two large primes which are secret whereas "everybody" in principle is meant to be able to know public modulus RSAm which can be used by anybody to encrypt messages
Only the recipient is meant to be able to decrypt message using secret prime factor
Secrecy of the cryptosystem is that of the secret key
Secrecy of the secret key is no more than the factorization of the public modulus



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