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Re: [Dcrup] Time For People To Really Stop Using SHA-1 Signatures?

Phillip Hallam-Baker <phill@hallambaker.com> Sat, 11 January 2020 01:08 UTC

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From: Phillip Hallam-Baker <phill@hallambaker.com>
Date: Fri, 10 Jan 2020 20:08:41 -0500
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To: Jim Fenton <fenton@bluepopcorn.net>
Cc: dcrup@ietf.org
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Subject: Re: [Dcrup] Time For People To Really Stop Using SHA-1 Signatures?
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The attack cost $11K.

Seems like that is a more than sufficient proof of work function to send a
message...

And what Jim said. There are some systems that are gonna be clobbered hard.
All the ones that are using SHA-1 certs off delisted roots.

But lets face it work factor of garage door openers is?? 2^20? 2^10

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