ref: eb8b9ee63822d9a750a6507af00f33c5faf2d3a7
dir: /sys/src/libsec/port/rsaencrypt.c/
#include "os.h"
#include <mp.h>
#include <libsec.h>
mpint*
rsaencrypt(RSApub *rsa, mpint *in, mpint *out)
{
if(out == nil)
out = mpnew(0);
mpexp(in, rsa->ek, rsa->n, out);
return out;
}