Cryptography, Encryption, Cybersecurity.
(mod p). Thus to divide by 3 (mod 5), we multiply by 2. Let’s try it: >>> (3*2) % 5 1 >>> (1*2) % 5 2 >>> (4*2) % 5 3 >>> (2*2) % 5 4 and so we get our original values back. Thus we use an inverse mod to reverse a modulo multiplication. Exponentiation And so, we can see that adding, subtracting,