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RSA Public-Key Algorithm
As cited in Kaufman, Perlman & Speciner the security features inherent to an RSA public-key algorithm depends on the difficulty that an attacker has in factoring very large, preferably prime numbers. One specific example of an RSA might be as follows: "Step 1: Choose two very large primes" usually by using random number generation, such as "simple e.g., P=47, Q=71 and set N = P*Q = 3337 and M = (P-1)*(Q-1) = 3220. Step 2:Choose E. relatively prime to M, e.g. E=79 Set D = E^-1 (mod M) = 79^-1 (mod 3220) = 1019. Step 3: Public key is (N, E) = (3337, 79). Step 4:Private key is (N, D) = (3337, 1019). Step 5:To encrypt n, C = cipher...
"If such a test finds a "probable prime," a deterministic test should then be used to verify that the number is indeed prime," and "p and q should not be "too close," else they are easily decrypted. (Wordiq Encyclopedia, 2004)
Another way of looking at the use of RSA in cryptography is provided by the Wordiq Encyclopedia. This reference posits the supposition that a user might wish to allow another user to…
Works Cited
Kaufman, Perlman & Speciner. (2002). Network Security: Private Communication in a Public World. Second Edition. Upper Saddle River, NJ: Prentice Hall. Chapter 6.
Newman, Joy. (1997) "RSA." Retrieved on June 21, 2004 at http://pandonia.canberra.edu.au/ClientServer/week3/security.sgml-063.html
Pfleeger, C.P. (1997). Security in Computing. Third Edition. Upper Saddle River, NJ: Prentice Hall. Sections 2.7 & 2.8.
Wordiq. (2004) "RSA." Retrieved on June 21, 2004 at http://www.wordiq.com/definition/RSA#Speed
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