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Status Future consideration
Workspace z/OS
Categories RACF
Created by Guest
Created on Jul 8, 2025

RELATED IDEAS

RACF - RSA 8192-bit Modulus CCA service updates

Recently support of 8192-bit modulus for RSA has been released for CCA services. Please see as well the IBM blogpost here: https://community.ibm.com/community/user/blogs/richard-kisley1/2025/06/26/cca-84-for-ibm-z17-z16-ml-kem-ml-dsa#:~:text=ICSF%20support%20for%20RSA%20keys,will%20run%20during%20ICSF%20initialization.

ICSF supports direct generation of 8k RSA keys: https://www.ibm.com/docs/en/zos/3.1.0?topic=mkip-generate-new-rsa-ec-publicprivate-pkds-key-pair-record

However, for RACF the RACDCERT GENCERT SIZE() parameter does only support 4096 bits. https://www.ibm.com/docs/en/zos/3.1.0?topic=certificates-racdcert-gencert-generate-certificate

This request is to align RACF with ICSF and support as well RSA 8K keys within RACF.

Idea priority High
  • Guest
    Jul 15, 2025
    Thank you for submitting this Idea. It is recognized for future consideration.
    Reply

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