Re: Hardware client certificates moving to Centos 7

[Stuart Marsden <stuart@xxxxxxxxxxxx>]

Hi

thanks for all the comments and suggestions, especially the ones I could understand

centos 7

yum upgrade

openssl version gives:

OpenSSL 1.0.2k-fips  26 Jan 2017

it looks like 

echo 'LegacySigningMDs md5' >> /etc/pki/tls/legacy-settings

allows the reading of Md5 Client certificates (which are still being installed in "not released yet" phones)

That is a week of my life I wont get back

thanks again

Stuart

On 27 Sep 2017, at 19:02, Michael Wojcik <Michael.Wojcik@xxxxxxxxxxxxxx> wrote:

From: openssl-users [mailto:openssl-users-bounces@xxxxxxxxxxx] On Behalf
Of Jochen Bern
Sent: Wednesday, September 27, 2017 06:51
To: openssl-users@xxxxxxxxxxx
Subject: Re: Hardware client certificates moving to Centos 7

I don't know offhand which OpenSSL versions did away with MD5, but you
*can* install an 0.9.8e (+ RHEL/CentOS backported security patches)
straight off CentOS 7 repos:

Ugh. No need for 0.9.8e (which is from, what, the early Industrial Revolution?). MD5 is still available in OpenSSL 1.0.2, assuming it wasn't disabled in the build configuration. I think Stuart is dealing with an OpenSSL build that had MD5 disabled in the Configure step.

Heck, MD4 and MDC2 are still available in 1.0.2 - even with the default configuration, I believe. I'm looking at 1.0.2j here and it has GOST, MD4, MD5, MDC2, RIPEMD-60, SHA, SHA1, SHA-2 (all standard lengths), and Whirlpool.

That's just for digests, obviously; but the point is the MD5 support is still there. And yes, 1.0.2j can handle certificates with md5WithRsaEncryption signatures.

--
Michael Wojcik
Distinguished Engineer, Micro Focus



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Dr Stuart Marsden
Tel: +44 (0)1494 414100
Email: stuart@xxxxxxxxxxxx

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