p, q are two large random primes
* n = pq is of the required bit length
* phi = (p-1)(q-1)
... ===
RSAParameters Structure ([[http://msdn.microsoft.com/en-us/library/system.security.cryptography.r
t signature generation by smart cards. In Journal of Cryptology, Vol. 4, n° 3, pages 161-174, 1991.
... p://www.google.com/patents?vid=4995082
* Review of Schnorr Signature: http://www.cs.utexas.edu/~rash
