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Status Delivered
Workspace z/TPF Product Family
Categories z/TPF
Created by Guest
Created on May 10, 2018

RELATED IDEAS

Create SHA-512 APIs

Currently IBM has provided SHA-1 and SHA-256 APIs for use under zTPF.
For example, we have tpf_SHA256_digest() function calls. CPACF also
supports SHA-512, hence we would like access to this hashing algorithm.

Our Security group has asked the level of support of Random Number
Generation. We would like to have C APIs to create random numbers in
hardware (using CPACF). It appears that the assembler instruction PRNO
uses the CPACF, so we would like the equivalent of PRNO
pseudo and true random number generation functions (z14 capabilities) in a C API.

Idea priority Medium
  • Guest
    Reply
    |     Apr 26, 2019

    This is available with z/TPF APAR PJ45130.

  • Guest
    Reply
    |     Jun 25, 2018

    This RFE's Headline was changed after submission to reflect the headline of an internal request we were already considering, but will now track here.

  • Guest
    Reply
    |     Jun 13, 2018

    RFE 121229 has been opened to request the PRNO wrapped functionality.
    SHA-2 512 is our priority. As yet we have not be asked to support SHA-3 algorithms but security requirements are constantly evolving so we would like to see SHA-3-512 support added as well, albeit as a lower priority.

  • Guest
    Reply
    |     Jun 12, 2018

    Please open a separate RFE for random number generation on z/TPF since this is distinct from SHA-512 APIs.

    For the SHA-512 requirement, is this for SHA-2 512 or SHA-3 512? SHA-3 512 is only available on z14 and above. Is there a specific SHA version that would be needed?

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