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Description of problem:

rpm 4.14 introduced sha256 checksums for rpm headers here: 

https://github.com/rpm-software-management/rpm/commit/6eeb2f2963cb4ab5f7c24b0c7165336581e53117

RHEL 8 with OSPP mode will not install rpms that are built without a sha256 header checksum:

'package X does not verify: no digest'

The result is that its not possible to build an rpm on el7 that will install on el8 with ospp mode enabled.  

Version-Release number of selected component (if applicable):

rpm-4.11.3-35.el7.x86_64

How reproducible:
always

Steps to Reproduce:
1.  rpm --querytags | grep -i SHA256HEADER 

Actual results:
no query tag, because rpm does not support sha256 checksums for header

Expected results:
supports query tag, and sha256 checksum on header


Additional info:

I've come to the conclusions stated above while investigating a product issue with Satellite 6, if anything i said is incorrect, please feel free to correct me.

This bug is not planned to be addressed during Red Hat Enterprise Linux 7 life-cycle.
Please contact Red Hat support if you wish to have it reconsidered.

Clear needinfo