On Thursday, March 29, 2018 at 10:58:56 AM UTC-4, Chris Laprise wrote:
> On 03/29/2018 10:10 AM, Steven Walker wrote:
> > I am pretty much new to Qubes. Can anybody give me simple instructions on 
> > how to verify my download. I have the iso asc, the digests file, and the 
> > signing key asc.
> > 
> > Can someone help me through this?
> > 
> > Thank you,
> > 
> > Steven
> > 
> 
> 
> Here is a condensed howto which avoids some issues with the Qubes doc 
> and gpg itself:
> https://www.qubes-os.org/security/verifying-signatures/
> 
> 
> 1. Get the Qubes master key, preferably from more than one source or 
> network channel so you can check they are all identical.
> 
> https://keys.qubes-os.org/keys/qubes-master-signing-key.asc
> 
> 
> 2. Get the signing key and iso files, as you already have.
> 
> 
> 3. Import the two keys:
> 
> $ gpg2 --import qubes-master-signing-key.asc
> $ gpg2 --import qubes-release-4-signing-key.asc
> 
> 
> 3a. If you wish, additional verification of the Master key:
> 
> $ gpg2 --fingerprint
> 
> > pub   rsa4096 2010-04-01 [SC]
> >       427F 11FD 0FAA 4B08 0123  F01C DDFA 1A3E 3687 9494
> > uid           [ unknown] Qubes Master Signing Key
> 
> Then search for the Qubes master key fingerprint on a Google or a 
> keyserver, or view the 'verifying-signatures' doc linked above. Then 
> compare that hexadecimal fingerprint and make sure whats in your shell 
> matches what you see in the browser.
> 
> 
> 4. Verify the release key:
> 
> $ gpg2 --check-sigs
> 
> The output should look like this:
> 
>  > pub   rsa4096 2017-03-06 [SC]
>  >       5817A43B283DE5A9181A522E1848792F9E2795E9
>  > uid           [ unknown] Qubes OS Release 4 Signing Key
>  > sig!3        1848792F9E2795E9 2017-03-06  Qubes OS Release 4 Signing Key
>  > sig!         DDFA1A3E36879494 2017-03-08  Qubes Master Signing Key
> 
> You should see the Release 4 key in "uid" and nested under it the Master 
> key. The Master key line must begin with "sig!" including the 
> exclamation mark! If the exclamation is not present then the key is bad.
> 
> 
> 5. Verify the iso file:
> 
> $ gpg2 --verify Qubes-R4.0-x86_64.iso.asc Qubes-R4.0-x86_64.iso
> 
> You should see a message "Good signature from "Qubes OS Release 4 
> Signing Key"
> 
> 
> Hope this helps!
> 
> -- 
> 
> Chris Laprise, tas...@posteo.net
> https://github.com/tasket
> https://twitter.com/ttaskett
> PGP: BEE2 20C5 356E 764A 73EB  4AB3 1DC4 D106 F07F 1886

I just imported the two keys. The version 4 signing key came back with "no 
ultimately trusted keys found". Is that an issue?

I am running it through budgie ubuntu. I currently have no qubes system 
installed. Am I doing this right?

I installed gpg2 in ubuntu to run this commands through terminal

Thanks,

Steve

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