C++ how to encrypt string using rsa?

Question

C++ / C#

I have exponent and modulus
How to encrypt a string?
If possible, then using crypto++
https://cryptopp.com/wiki/RSA_Cryptography - did not figure it out

Answer 1

Crypted = message ^ e mod n, exponentiation and modulus operations are enough for you. Usually there is a ready-made modexp. And if Crypto++ is too tough for you, take a look at OpenSSL.