Re: F41 Change Proposal: Make OpenSSL distrust SHA-1 signatures by default (system-wide)

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Am 11.06.24 um 16:09 schrieb Dmitry Belyavskiy:
Dear colleagues,

Let me try to summarize the pros and cons of this discussion.

Our intention is making the software and its settings as secure as possible by default. That's why we have crypto policies. The proposed change is aligned with the setting we have implemented in RHEL9 for 2-3 years, and there were only several use cases affected by this tightening, mostly SSH.

I understand that not all old systems are upgradeable (though many of them can be turned to smth using better algorithms - e.g. EC SSH keys are available on RHEL 7). So for these use cases we would like to propose either use runcp utility (which doesn't undermine the default settings) or, worst case, use a jump container. Any of this solution doesn't undermine the whole system's security.


toolbox is a nice helper for such cases ...


I believe that now we could move this change forward, having a workaround for some use cases, probing to detect the legacy algorithm when it was missing, and higher security standards.


--
Leon
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