Note: This bug is displayed in read-only format because the product is no longer active in Red Hat Bugzilla.

RHEL Engineering is moving the tracking of its product development work on RHEL 6 through RHEL 9 to Red Hat Jira (issues.redhat.com). If you're a Red Hat customer, please continue to file support cases via the Red Hat customer portal. If you're not, please head to the "RHEL project" in Red Hat Jira and file new tickets here. Individual Bugzilla bugs in the statuses "NEW", "ASSIGNED", and "POST" are being migrated throughout September 2023. Bugs of Red Hat partners with an assigned Engineering Partner Manager (EPM) are migrated in late September as per pre-agreed dates. Bugs against components "kernel", "kernel-rt", and "kpatch" are only migrated if still in "NEW" or "ASSIGNED". If you cannot log in to RH Jira, please consult article #7032570. That failing, please send an e-mail to the RH Jira admins at rh-issues@redhat.com to troubleshoot your issue as a user management inquiry. The email creates a ServiceNow ticket with Red Hat. Individual Bugzilla bugs that are migrated will be moved to status "CLOSED", resolution "MIGRATED", and set with "MigratedToJIRA" in "Keywords". The link to the successor Jira issue will be found under "Links", have a little "two-footprint" icon next to it, and direct you to the "RHEL project" in Red Hat Jira (issue links are of type "https://issues.redhat.com/browse/RHEL-XXXX", where "X" is a digit). This same link will be available in a blue banner at the top of the page informing you that that bug has been migrated.

Bug 1826337

Summary:	libreswan in FIPS mode rejects ECDSA keys based on faulty RSA key size check being applied
Product:	Red Hat Enterprise Linux 8	Reporter:	Paul Wouters <pwouters>
Component:	libreswan	Assignee:	Paul Wouters <pwouters>
Status:	CLOSED ERRATA	QA Contact:	Ondrej Moriš <omoris>
Severity:	unspecified	Docs Contact:
Priority:	high
Version:	8.3	CC:	pvrabec
Target Milestone:	rc	Keywords:	Triaged
Target Release:	8.0	Flags:	pm-rhel: mirror+
Hardware:	Unspecified
OS:	Unspecified
Whiteboard:
Fixed In Version:		Doc Type:	Bug Fix
Doc Text:	Cause: Minimal key length check for FIPS assumed keys were RSA based Consequence: ECDSA keys that have less bits were getting rejected, despite being fine for FIPS Fix: Do not apply RSA size check to ECDSA keys Result: ECDSA based certificates and authby=ecdsa can now be used in FIPS mode.	Story Points:	---
Clone Of:		Environment:
Last Closed:	2020-11-04 03:18:00 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:
Bug Depends On:	1820206
Bug Blocks:

Description Paul Wouters 2020-04-21 13:15:19 UTC

ECDSA keys are being rejected in FIPS mode because the minimum key size for RSA key lengths is mistakenly checked for.

I've fixed this upstream:

https://github.com/libreswan/libreswan/commit/ad73bc5a5b2ea0d509feff07b56fbbdfe046a218

https://github.com/libreswan/libreswan/commit/101f48526d1848cc3b185b9617d19f1b614bc72e

I also added one of two test cases upstream:

RSA key size reject:

https://github.com/libreswan/libreswan/commit/6cd7ee47d78f4084ce4e156f4f2acc1437da6863

Second test case with ECDSA certificates is pending,

Comment 1 Paul Wouters 2020-04-22 00:39:40 UTC

upstrean test case fips-14-ikev2-x509-ecdsa

Comment 2 Paul Wouters 2020-05-21 15:29:11 UTC

upstream tests:

fips-13-ikev2-x509-key2032
fips-14-ikev2-x509-ecdsa
fips-15-ikev2-x509-key2048

Comment 12 errata-xmlrpc 2020-11-04 03:18:00 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 (libreswan 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-2020:4722