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Bug 1071967

Summary: Inconsistent error message when generating keys in FIPS mode
Product: Red Hat Enterprise Linux 7 Reporter: Alicja Kario <hkario>
Component: opensshAssignee: Petr Lautrbach <plautrba>
Status: CLOSED ERRATA QA Contact: Stanislav Zidek <szidek>
Severity: low Docs Contact:
Priority: low    
Version: 7.0CC: szidek, tmraz
Target Milestone: rc   
Target Release: ---   
Hardware: Unspecified   
OS: Unspecified   
Whiteboard:
Fixed In Version: openssh-6.6.1p1-1.el7 Doc Type: Bug Fix
Doc Text:
Story Points: ---
Clone Of: Environment:
Last Closed: 2015-03-05 09:27:33 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: 1001748    
Bug Blocks:    

Description Alicja Kario 2014-03-03 15:12:46 UTC 
Description of problem:
When running in FIPS mode only 2048bit and 3072 bit key sizes are allowed, when generating keys above 3072 bits, openssh prints different error message and returns different error code than when generating keys below 2048 bit in size.

Version-Release number of selected component (if applicable):
openssh-6.4p1-7.el7.ppc64

How reproducible:
Always

Steps to Reproduce:
1. Turn FIPS mode on
2. ssh-keygen -b 1024 -t rsa -N '' -f /root/.ssh/id_rsa; echo $?
3. ssh-keygen -b 4096 -t rsa -N '' -f /root/.ssh/id_rsa; echo $?

Actual results:
RSA keys must be at least 2048 bits in FIPS mode
1
rsa_generate_private_key: key generation failed.
255

Expected results:
RSA keys must be either 2048 bits or 3072 bits in FIPS mode
1
RSA keys must be either 2048 bits or 3072 bits in FIPS mode
1

Additional info:
Comment 5 errata-xmlrpc 2015-03-05 09:27:33 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, 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://rhn.redhat.com/errata/RHSA-2015-0425.html