SOLVED - Need help to verify my iso.sig

fredmyra · December 1, 2022

I am not sure about how to do the verification.

My searching only resulted in https://www.funtoo.org/GPG_Signatures

my downloaded files look like this:


[arthur@esprimo-II ~]$ cd /run/media/arthur/Storage/Linux_By_Distros/Funtoo/funtoo-220715

[arthur@esprimo-II funtoo-220715]$ ls 
funtoo-livecd-20220715-1607.iso      
funtoo-livecd-20220715-1607.iso.hash.txt
funtoo-livecd-20220715-1607.iso.gpg  
node.txt

Trying to follow the link above I tried:

[arthur@esprimo-II funtoo-220715]$ gpg --keyserver pgp.mit.edu --recv-key D3B948F82EE8B4020A0410789A658306E986E8EE
gpg: key 9A658306E986E8EE: public key "Daniel Robbins (BDFL) <drobbins@funtoo.org>" imported
gpg: Total number processed: 1
gpg:               imported: 1
[arthur@esprimo-II funtoo-220715]$ gpg --edit-key E986E8EE
gpg (GnuPG) 2.2.40; Copyright (C) 2022 g10 Code GmbH
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.


pub  rsa4096/9A658306E986E8EE
     created: 2016-11-28  expires: never       usage: SC  
     trust: unknown       validity: unknown
sub  rsa4096/2E5B26155568E28D
     created: 2016-11-28  expires: never       usage: E   
sub  rsa4096/8C7CC4D18DAD2DBC
     created: 2016-11-28  expires: never       usage: S   
[ unknown] (1). Daniel Robbins (BDFL) <drobbins@funtoo.org>
[ unknown] (2)  [jpeg image of size 5472]

gpg> trust
pub  rsa4096/9A658306E986E8EE
     created: 2016-11-28  expires: never       usage: SC  
     trust: unknown       validity: unknown
sub  rsa4096/2E5B26155568E28D
     created: 2016-11-28  expires: never       usage: E   
sub  rsa4096/8C7CC4D18DAD2DBC
     created: 2016-11-28  expires: never       usage: S   
[ unknown] (1). Daniel Robbins (BDFL) <drobbins@funtoo.org>
[ unknown] (2)  [jpeg image of size 5472]

Please decide how far you trust this user to correctly verify other users' keys
(by looking at passports, checking fingerprints from different sources, etc.)

  1 = I don't know or won't say
  2 = I do NOT trust
  3 = I trust marginally
  4 = I trust fully
  5 = I trust ultimately
  m = back to the main menu

Your decision? 4

pub  rsa4096/9A658306E986E8EE
     created: 2016-11-28  expires: never       usage: SC  
     trust: full          validity: unknown
sub  rsa4096/2E5B26155568E28D
     created: 2016-11-28  expires: never       usage: E   
sub  rsa4096/8C7CC4D18DAD2DBC
     created: 2016-11-28  expires: never       usage: S   
[ unknown] (1). Daniel Robbins (BDFL) <drobbins@funtoo.org>
[ unknown] (2)  [jpeg image of size 5472]
Please note that the shown key validity is not necessarily correct
unless you restart the program.

gpg> quit
[arthur@esprimo-II funtoo-220715]$ gpg --import node.txt
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0

my node.text looked like:

[arthur@esprimo-II funtoo-220715]$ ls node.txt
gpg: key 9A658306E986E8EE: public key "Daniel Robbins (BDFL) <drobbins@funtoo.org>" imported
pub  rsa4096/9A658306E986E8EE
sub  rsa4096/2E5B26155568E28D
sub  rsa4096/8C7CC4D18DAD2DBC

I also tried:

[arthur@esprimo-II funtoo-220715]$ ls node.txt
D3B948F82EE8B4020A0410789A658306E986E8EE
rsa4096/9A658306E986E8EE
rsa4096/2E5B26155568E28D
rsa4096/8C7CC4D18DAD2DBC

and

[arthur@esprimo-II funtoo-220715]$ ls node.txt
D3B948F82EE8B4020A0410789A658306E986E8EE
pub rsa4096/9A658306E986E8EE
sub rsa4096/2E5B26155568E28D
sub rsa4096/8C7CC4D18DAD2DBC

all with the same result. What must I do ?

Edited December 3, 2022 by fredmyra
Unwillingly posted too early

cardinal · December 2, 2022

Problem is here:

[arthur@esprimo-II funtoo-220715]$ gpg --import node.txt
gpg: no valid OpenPGP data found.
gpg: Total number processed: 0

Go here: https://www.funtoo.org/GPG_Signatures/Metro_Plaintext_Keys

The fingerprint of node.txt if done correctly:

$ sha256sum node.txt
3ce0c413d95282fcd3ccc9c8ecbdd67beb03066173ed17f26c8376e55b7a286d  node.txt

Proper output when importing node.txt:

$ gpg --import node.txt
gpg: key 9266C4FA11FD00FD: public key "Daniel Robbins (metro:node) <drobbins@funtoo.org>" imported
gpg: Total number processed: 1
gpg:               imported: 1
gpg: marginals needed: 3  completes needed: 1  trust model: pgp
gpg: depth: 0  valid:   1  signed:   1  trust: 0-, 0q, 0n, 0m, 0f, 1u
gpg: depth: 1  valid:   1  signed:   0  trust: 1-, 0q, 0n, 0m, 0f, 0u

Edited December 2, 2022 by cardinal

fredmyra · December 2, 2022

Thanks cardinal !

So I must edit the node.txt file in the right way. But this is still a problem for me.

@ https://www.funtoo.org/GPG_Signatures >:

Quote

Next, head to GPG Signatures/Metro Plaintext Keys and copy and paste the public key ..,

would that be :

D3B948F82EE8B4020A0410789A658306E986E8EE

?????

and

Quote

,,,,and associated signatures for the metro build server....

I think it was here i missed it totally, by using the signatures I got from the output of the command for receiving the key. I think I also missed something in that I was trying to verify the ISO for the LIVE USB, which I assumed I ought to do since there was a "funtoo-livecd-20220715-1607.iso.gpg" file in the mirror I downloaded from. Tomorrow I will try again with this and what you pointed out in mind . Thanks again.

cardinal · December 2, 2022

Copy all the text in the box below :

Paste into a blank file named node.txt and save.

Import node.txt

$ gpg --import node.txt

Verify Daniel Robbins public key and metro:node signed by Daniel Robbins is imported:

$ gpg --list-keys
/home/rj/.gnupg/pubring.kbx
---------------------------
pub   rsa4096 2016-11-28 [SC]
      D3B948F82EE8B4020A0410789A658306E986E8EE
uid           [ultimate] Daniel Robbins (BDFL) <drobbins@funtoo.org>
uid           [ultimate] [jpeg image of size 5472]
sub   rsa4096 2016-11-28 [E]
sub   rsa4096 2016-11-28 [S]

pub   rsa4096 2016-12-10 [SC]
      70ACBB6BFEE7BC572A8941D19266C4FA11FD00FD
uid           [  full  ] Daniel Robbins (metro:node) <drobbins@funtoo.org>
sub   rsa4096 2016-12-10 [E]
sub   rsa4096 2016-12-10 [S]

node.txt

Edited December 2, 2022 by cardinal

fredmyra · December 3, 2022

Perfect ! this not only solved the problem, it also helped me understans what was wrong, namely that I never looked into https://www.funtoo.org/GPG_Signatures/Metro_Plaintext_Keys probably because I wrongly and uncounsciously assumed that that link concerned just stage3 files. Now I understand !

Thanks cardinal !

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SOLVED - Need help to verify my iso.sig

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