Abstract: Public Key Cryptography (PKC) is an asymmetric security system where encryption is done publicly by disseminating public keys and decryption is done by using private keys, known only to the ...

/// Modular exponentiation c is: c = b^e mod m where b is base, e is exponent, m is modulus /// (Wiki: https://en.wikipedia.org/wiki/Modular_exponentiation).