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Status Future consideration
Workspace z/OS
Categories SSL
Created by Guest
Created on May 16, 2017

Add System SSL API to Retrive All Certificates Presented by a ServerHello TLS Negotiation Message

We use System SSL on z/OS V2R1 to diagnose and analyse problems involving TLS connections, certificates, and key rings. During a recent issue we were debugging, we discovered that the gsk_attribute_get_cert_info() API only returns the final server certificate. It does not return any of the intermediate certificates in the chain presented by the server during the TLS negotiation handshake. We would like a way for the System SSL API to pass all
certificates sent by the server to the user to help confirm that the server-side is sending the intermediate chain certificates properly without using the GSK_TRACE service or a network sniffer.

Idea priority Low