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Bug 2225222

Summary:	Ordering matters for permitted_enctypes
Product:	Red Hat Enterprise Linux 9	Reporter:	Alexander Sosedkin <asosedki>
Component:	crypto-policies	Assignee:	Alexander Sosedkin <asosedki>
Status:	CLOSED ERRATA	QA Contact:	Ondrej Moriš <omoris>
Severity:	medium	Docs Contact:	Alexandra Nikandrova <anikandr>
Priority:	medium
Version:	9.3	CC:	anikandr, gfialova, jrische, mjahoda
Target Milestone:	rc	Keywords:	Triaged
Target Release:	---	Flags:	pm-rhel: mirror+
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:	crypto-policies-20230731-1.git94f0e2c.el9	Doc Type:	Enhancement
Doc Text:	.`crypto-policies` `permitted_enctypes` no longer break replications in FIPS mode Before this update, an IdM server running on RHEL 8 sent an AES-256-HMAC-SHA-1-encrypted service ticket that an IdM replica running RHEL 9 in FIPS mode. Consequently, the default `permitted_enctypes` `krb5` configuration broke a replication between the RHEL 8 IdM server and the RHEL 9 IdM replica in FIPS mode. This update of the system-wide cryptographic policies reorders the `permitted_enctypes` `krb5` configuration option values to allow prioritization of more interoperable encryption types by default. As a result, the `permitted_enctypes` configuration no longer break replications between a RHEL 8 IdM servers and a RHEL 9 IdM replica in FIPS mode. NOTE: If you use Kerberos, verify the order of the values of `permitted_enctypes` in the `/etc/crypto-policies/back-ends/krb5.config` file. If your scenario requires a different order, apply a custom cryptographic subpolicy.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2023-11-07 08:53:12 UTC	Type:	Bug
Regression:	---	Mount Type:	---
Documentation:	---	CRM:
Verified Versions:		Category:	---
oVirt Team:	---	RHEL 7.3 requirements from Atomic Host:
Cloudforms Team:	---	Target Upstream Version:
Embargoed:

Comment 2 Alexander Sosedkin 2023-07-24 17:18:40 UTC

Julien or somebody else from the Kerberos side, could you please review the attached pull-request and doc text?

Comment 3 Julien Rische 2023-07-31 08:12:25 UTC

I approved both these pull requests:
https://gitlab.com/redhat-crypto/fedora-crypto-policies/-/merge_requests/139
https://gitlab.com/redhat-crypto/fedora-crypto-policies/-/merge_requests/140

Comment 13 errata-xmlrpc 2023-11-07 08:53:12 UTC

Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory (crypto-policies bug fix and enhancement update), and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

https://access.redhat.com/errata/RHEA-2023:6630