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Message-ID: <46fb394d-66dd-8648-b961-4a13411cc7ed@dronecode.org.uk>
Date: Thu, 30 Dec 2021 23:38:52 +0000
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Subject: Re: Unable to Verify 64 bit Installer on Windows
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To: Greg Williamson <greg DOT williamson45 AT gmail DOT com>,
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On 30/12/2021 21:24, Greg Williamson wrote:
> Hello,
> 
> While attempting to verify the installer found here:
> https://cygwin.com/install.html
> 
> GPG verification for "setup-x86_64.exe" failed with "BAD signature from
> "Cygwin <cygwin AT cygwin DOT com>". I also created a SHA512 hash of the installer
> and it did not match the one posted here:
> https://cygwin.com/sha512.sum
> 
> As a sanity check I attempted to verify the 32bit version "setup-x86.exe".
> The SHA512 matched and the GPG signature verification succeeded.
> 
> I thought I'd report here in case there was a security issue. Thank you in
> advance for your assistance!
> 

At 2021-Dec-30 19:14 UTC I downgraded the setup executables being served 
to a previous version, to give some more time to investigate an issue 
reported with setup 2.911.

I'm going to guess that was the reason for this.

However, please note that some caching outside of our control must have 
occurred, as at all times, the signatures and hashes presented were 
consistent and correct.

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