网站优化的灵魂――内容的重要性

#!/usr/bin/env python
#-*-coding: utf-8-*-
# author: "SK (skxiaonan@gmail.com)"
# date: "Date: 2009/05/22 09:10:10"
import math
def isPrime(number):
i=2
sqrtNumber=int(math.sqrt(number))
for i in range(2, sqrtNumber+1):
if number%i == 0:
return False
i = i+1
return True

if __name__=="__main__":
print "*"*77
Flag = False
while Flag == False:
p = int(raw_input("Please input a prime(P): "))
Flag = isPrime(p)
if Flag == False:
print "What you input is not a prime!"
print "The P is: ", p

Flag = False
while Flag == False:
q = int(raw_input("Please input a prime(Q): "))
if p == q:
continue
Flag = isPrime(q)
if Flag == False:
print "What you input is not a prime!"
print "The Q is: ", q
n = p*q
print "The N is: ", n
t = (p-1)*(q-1)
print "The T is: ", t

print "*"*77
Flag = False
while Flag == False:
e = int(raw_input("Please input a number(E): "))
if (e<1 or e>t):
continue
d=0
while (((e*d)%t) != 1):
d+=1
Flag = True
print "The E is: ", e
print "The D is: ", d
print "The Public Key(E, N) is:", e, n
print "The Private Key(D, N) is:", d, n

print "*"*77
Flag = False
while Flag == False:
plainText = int(raw_input("Please input a plaintext: "))
if (plainText < n):
Flag = True
print "The plaintext is: ", plainText
print "Encrypt"+"."*7
cipherText = (plainText**e)%n
print "cipherText is: ", cipherText
print "Decrypt"+"."*7
plain = (cipherText**d)%n
print "The plain is: ", plain

print "*"*77
if plainText == plain:
print "RSA Test success."
else:
print "RSA Test unsuccess!"