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Question: Write a Java program for RSA encryption that has the following inputs and outputs: Given a messag...
Write a Java program for RSA encryption that has the following inputs and outputs:
Given a message and an integer n = pq where p and q are odd primes and an integer e > 1 relatively prime to (p 1)(q 1), encrypt the message using the RSA cryptosystem with key (n, e).
C = M^e mod n C = encrypted message M = plaintext message (converted to # via ASCII) n is product of two primes pq e is exponent relatively prime to (p-1)(q-1)
the first if i want give
a 00 , b 01 , c 02 , d 03 , e 04 , f 05 , g 06 , h 07 , i 08 , j 09 , k 10 , l 11 , m 12 , n 13 , o 14 , p 15 , q 16 , r 17 , s 18 , t 19 , u 20 , v 21 , w 22 , x 23 , y 24 , z 25
massege UP LO AD
so the number form is : 2015 1114 0003
n=53*61=3233
c = 2015 ^e(d=17) mod(3233)
for : 1114
c = 1114 ^e(d=17) mod(3233)
for : 3
c = 0003 ^e(d=17) mod(3233)
=1211mod(3233)
so the encrypted form of message is : 2545 2757 1211
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