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Status Delivered
Workspace IBM Z and LinuxONE Systems Hardware
Categories HMC/Support Element (SE)
Created by Guest
Created on Jul 7, 2023

RELATED IDEAS

Certificate Management enhancement - Key Size and allow P12 Repository import

This relates to the Certificate Management Task (z15 and DS8K) and also to the TLS configuration in the Card Specific Advianced Funtions on the OSA ICC configuration.

It should be possible to specify the length of the private key used in the certificate signing request (CSR) generation.  It is important that a key lenght >2048 bits can be specified as this length ist no longer really safe.  It should be possible to specify a 3k and 4k key length.  

It should also be possible (or as an alternative to the above idea) to import a P12 repository in the certificate management dialogs.  This  has already been implemented on the DS8K HMC v9.2 where there is the option "Import Repository" in the Advanced menu on the Certificate Management Task. This would allow the customer to have the full flexibility on creating the CSR and loading a consistent set of certificates into the HMC.  It should be possible to load the P12 from an FTP location, local storage device or via the browser from a remote file system.

 

IBM z16 Increas...
IBM z16 Increased Certificate Key Length for HMC & OSA-ICC.pdf
 IBM z16 Increased Certificate Key Length for HMC & OSA-ICC.pdf
Open full size
IBM z16 Increased Certificate Key Length for HMC & OSA-ICC.pdf
Idea priority Medium
  • Guest
    Reply
    |     Sep 3, 2024
    Increase key length, but give selection options of 2048, 3072, 4096 for new certificates
    ? New Default: 3072
    ? 3072-bit keys required to conform to EMEA Standards
    ? Enhancement provided in HMC & SE MCL Bundles H26/S34
    ? Bundle H26 available
    ? Bundle S34 available
    ? If H26 fix is active & S34 is not on z16 (or z15 or earlier system is targeted),
    » HMC Certificate will support for longer key length options including SOO (Single Object Operations) to SE/CPC
    » OSA-ICC Certificate will only provide the 2048 key length option, but z16 CPCs (with S34) will get the 2K, 3K, & 4K options.

    Importing keys does not conform to our strategy and is not supported
  • Guest
    Reply
    |     Apr 24, 2024

    In Germany we have regulations from the goverment that we have to follow. These regulations are described in BSI document "Technische Richtlinie, Kryptographische Verfahren: Empfehlungen und Schlüssellängen" BSI TR-02102-1, Version 2023-01.

  • Guest
    Reply
    |     Dec 11, 2023
    Increased key size has been added to our plan for future release. This does not include P12 repository import as this does not align with our security strategy.
  • Guest
    Reply
    |     Oct 6, 2023

    I support this as a strong requirement for our enterprise. For RSA certificates, our security compliance rules require a key length at least 3000.

18 MERGED

Possibility to create CSR files with key length of 4096 bits

Merged
When creating a new CSR file on an IBM Z HMC there is no option to select the key size. The generated certificate request has a fixed key size of 2048. In several countries especially for Germany it is a recommendations of the local authorities th...
over 1 year ago in IBM Z and LinuxONE Systems Hardware / HMC/Support Element (SE) 6 Delivered

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