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Status Future consideration
Workspace z/OS
Categories z/OSMF
Created by Guest
Created on Dec 5, 2022

RELATED IDEAS

PKI client service within z/OS to access external PKI for certificate request/(auto)approval

PKI Services (z/OS2.5) supports the following EST functions:
1. cacerts: requests the EST CA certificates (the whole chain of the issuers' certificates) using Simple PKI Request.
2. simpleenroll: requests a certificate with supplied public key using Simple PKI Request.
3. simplereenroll : requests a renew or rekey certificate with supplied public key using Simple PKI Request.

IDEAS request:

PKI as a CLIENT, which is able to interact with an external PKI solution (onPrem/public)
- cert requests, (auto)aprovals, notfications, etc.
- using standard protocol EST
EST is standardized by RFC7030, which profiles certificate enrollment for clients using Certificate Management over CMS (CMC) messages over a secure transport (RFC5272 - updated by RFC6402).

- ACME or WSTEP as alternatives ?


Idea priority Medium
  • Guest
    Reply
    |     Mar 4, 2024

    Seems to be a similar idea to ZOS-I-2785...

    It would really be helpful to have it integrated into zSecure oder z/OSMF in order to automatically/manually request and receive certificates issued by a non-mainframe PKI, using a secure communication channel between non-mainframe PKI and the mainframe. Customers have to do a lot of insecure manual work of uploading and copying to install certificates within RACF. A higher priority would be highly appreciated from a customers perspective, as certificate management is a critical business process and desperately needed to secure mainframe communication.

  • Guest
    Reply
    |     Apr 13, 2023

    Update 28.02.2023


    Desired Solution

    Single point of admin for z/OS required certificates, issued and maintained by NON-zOS PKI

    API based PKI-Client solution to access external PKI solution based on EST/ACME protocol

    (Alternative Ansible Playbook is not strategic yet, would be possible later)


    Functional requirements

    - Generate cert with RACDCERT cmd

    - Send signing request to PKI (option : request autoaproval)

    - Get back signed cert

    - Add to Keyring(s), synchronized with Sysplex members

    - Renew/Rekey of certs (reminder notification is subject to PKI !)

    - Revocation request (revocation and CRL maint is subject to PKI !)


    Nonfunctional requirements

    - Easy upgrade (FMID?), i.e. in case of protocol changes

    - To be used both programmatically (batch) and

    - Via graphical front end, for instance z/OSMF or zSecure Admin

    - Auditable (today: SMF 80 to zSecure Audit)


    Solution(s): PKI ‘client’ EKMF/web APIs
    alternatively : OpenSource (Curl supported) ?

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