[openssl-users] FIPS mode on Windows

Hubert Kario hkario at redhat.com
Fri Sep 7 12:59:00 UTC 2018

On Thursday, 6 September 2018 04:18:38 CEST Alessandro Gherardi via openssl-
users wrote:
> I have a question: On Windows, should OpenSSL FIPS automatically enable FIPS
> mode (FIPS_mode_set(1)) if the FIPS registry
> entry HKEY_LOCAL_MACHINE\System\CurrentControlSet\Control\Lsa\FipsAlgorithm
> Policy\Enabled is set to 1?
> This is to emulate the Linux behavior - if I understand correctly, if Linux
> is configured for FIPS mode, OpenSSL automatically enables FIPS mode.
> Thanks in advance,Alessandro

putting Linux kernel to fips mode (adding `fips=1` to kernel command line) not 
necessarily puts the whole system (and thus OpenSSL) into fips mode

please check the module's Security Policy on the NIST Cryptographic Module 
Validation Program website to find the authoritative instructions on how to 
ensure FIPS mandated behaviour of the module
Hubert Kario
Senior Quality Engineer, QE BaseOS Security team
Web: www.cz.redhat.com
Red Hat Czech s.r.o., Purkyňova 115, 612 00  Brno, Czech Republic
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