Topic: how to make a ca with a public key
i have a public key like this:
-----BEGIN RSA PUBLIC KEY-----
MIGJAoGBANA0SPVdEgBMCBo4WMeKl6lEM8swJsu+8Rq0usMkdcq8GxsD445x+EtF
+Dmalx6rSR5M7mNARLdsALd2pr3HVLuSSe4bCC26u1PBsOVeszhEzdr7NWiGy3bI
fW6ddTCt0VMC75PrsVmCB2oavp8GKI09Y0TsegxiM6MN6bj33eJtAgMBAAE=
-----END RSA PUBLIC KEY-----
how to creat a ca with this public key ?