[TLS] Re: Additional uses for SSLKEYLOGFILE entries

S Moonesamy <sm+ietf@elandsys.com> Thu, 27 February 2025 21:01 UTC

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Date: Thu, 27 Feb 2025 12:59:56 -0800
To: Stephen Farrell <stephen.farrell@cs.tcd.ie>, "Sipos, Brian J." <Brian.Sipos@jhuapl.edu>, tls@ietf.org
From: S Moonesamy <sm+ietf@elandsys.com>
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Subject: [TLS] Re: Additional uses for SSLKEYLOGFILE entries
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Hi Brian, Stephen,
At 06:18 AM 27-02-2025, Stephen Farrell wrote:
> From my POV yes: fundamentally it is a bad idea for
>the IETF to standardise ways to exfiltrate keys
>even if there may be innocuous uses for those. And
>this latest ask (extending the exfiltration from
>being a TLS-only thing, to cover other protocols
>such as EDHOC) IMO nicely demonstrates the danger
>of the TLS WG publishing this document.

According to Sheffer, Holz and Saint-Andre, "It is known that stolen 
(or otherwise obtained) private keys have been used as part of 
large-scale monitoring [RFC7258] of certain servers."

Regards,
S. Moonesamy