This blog post explains how it works: https://www.cyrozap.com/2014/09/29/reversing-the-symantec-vip-access-provisioning-protocol/ https://www.cyrozap.com/2014/

This blog post explains how it works: https://www.cyrozap.com/2014/09/29/reversing-the-symantec-vip-access-provisioning-protocol/ https://www.cyrozap.com/2014/09/29/reversing-the-symantec-vi... But yes, the original author extracted a pair of shared secrets from the Symantec executable.