On Fri, Dec 09, 2022 at 07:19:32AM +0100, Andreas Ehlert wrote:
> hello openbsd folks,
> 
> thanks a lot for your os.
> i have an issue for your interest.
> 
> the install image install72.img have an failure.
> the installation routine can not find the sha256.sig
> file to check the base files with checksum.
> 
> i take a look on the usb stick and i found the sha256
> under 7.2/amd64 but not sha256.sig
> 
> the installation is only possible without verification of the base files.
> 
> i think this is a security issue for a fresh 7.2 installation.
> 
> when i make a wish. i wish peace, love and unity for the human race and a 
> installation routine with checksum verification of the base files.
> 
> best regards and thanks a lot,
> andreas ehlert
> 
> --
> Andreas Ehlert | Neue Promenade 29 | 15377 Buckow | Tel.: 015773834625 |
> eMail: evl...@web.de

This is answered in the FAQ, on the download page.

https://www.openbsd.org/faq/faq4.html#Download

> The install72.iso and install72.img images do not contain an SHA256.sig
> file, so the installer will complain that it can't check the signature
> of the included sets:
>
> Directory does not contain SHA256.sig. Continue without verification? [no]
>
> This is because it would make no sense for the installer to verify them.
> If someone were to make a rogue installation image, they could certainly
> change the installer to say the files were legitimate. If the image's
> signature has been verified beforehand, it is safe to answer "yes" at
> that prompt.

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