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Bug 2159735 - avoid “Warning: Value 512 is outside of the allowed entropy range, adjusting it.”
Summary: avoid “Warning: Value 512 is outside of the allowed entropy range, adjusting ...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Red Hat Enterprise Linux 9
Classification: Red Hat
Component: clevis
Version: 9.2
Hardware: All
OS: Linux
unspecified
medium
Target Milestone: rc
: ---
Assignee: Sergio Arroutbi
QA Contact: Martin Zelený
Jan Fiala
URL:
Whiteboard:
Depends On:
Blocks: 2159736
TreeView+ depends on / blocked
 
Reported: 2023-01-10 14:40 UTC by Martin Zelený
Modified: 2023-05-09 09:01 UTC (History)
3 users (show)

Fixed In Version: clevis-18-109.el9
Doc Type: Bug Fix
Doc Text:
.Clevis no longer requests too much entropy from `pwmake` Previously, the `pwmake` password generation utility displayed unwanted warnings when Clevis used `pwmake` to create passwords for storing data in `LUKS` metadata, which caused Clevis to use lower entropy. With this update, Clevis is limited to 256 entropy bits provided to `pwmake`, which eliminates an unwanted warning and uses the correct amount of entropy.
Clone Of:
: 2159736 (view as bug list)
Environment:
Last Closed: 2023-05-09 07:46:11 UTC
Type: Bug
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)


Links
System ID Private Priority Status Summary Last Updated
Red Hat Issue Tracker RHELPLAN-144689 0 None None None 2023-01-10 14:44:04 UTC
Red Hat Issue Tracker SECENGSP-4957 0 None None None 2023-01-10 14:44:08 UTC
Red Hat Product Errata RHBA-2023:2321 0 None None None 2023-05-09 07:46:17 UTC

Description Martin Zelený 2023-01-10 14:40:50 UTC 
Backport commit [1] from upstream PR:

luks: define max entropy bits for pwmake

So that we don't get a warning about using a value outside the allowed
entropy range, when generating a new passphrase.

Update existing documentation that mentions entropy to list the
limitation of 256 bits.

[1] https://github.com/latchset/clevis/pull/338/commits/49401c27e018d4fbf61e40e9f63b1bfc5d5ca46f
Comment 12 errata-xmlrpc 2023-05-09 07:46:11 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 (clevis 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/RHBA-2023:2321
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