Security, Math, Cryptography.
= (p-1)(q-1) [2] pick a number d such as d << n calculate e = d ^(−1) mod ϕ(n). Note that ed ≡ 1 mod ϕ(n) and gcd(e, ϕ(n)) = 1 [3] (n, e) is the public key, d the private key, m the message to send. Using the public key, you can encrypt the message: and send E over the insecure channel. Using the