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On Wednesday, 2024-04-10 at 21:18 -0000, ɯ u via Alpine-info wrote:

Hi, I'm a long-time Pine/Alpine user and just noticed I'm mentioned on https://alpineapp.email/alpine/alpine-info/tips/ - thanks! :)

After many years of using an old Alpine, I'm in the midst of installing Alpine 2.26 on one of my Windows devices. I downloaded alpine-2.26.zip from here:

 https://alpineapp.email/

I verified the checksum and now want to check the integrity with gpg, but I need some help. I don't know much about gpg, but I was able to use these instructions to verify the Mullvad Browser signature:

 Verifying Mullvad Browser signature
 https://mullvad.net/en/help/verifying-mullvad-browser-signature

After doing that, I thought OK, now I can kind of use these instructions to verify alpine-2.26.zip. I downloaded Eduardo's GPG public key from:

 https://alpineapp.email/alpine/gpg/alpine.cha...@yandex.com.gpg

But what do I do now? I'm thinking that I need a file named something like alpine-2.26.zip.asc? I'd appreciate any help.

At that page you can read:



    Source Code alpine-2.26.tar.xz
        MD5: 0943b31c476276e924b02afbfaf98392
        SHA256: c0779c2be6c47d30554854a3e14ef5e36539502b331068851329275898a9baba
    GPG Signature: alpine-2.26.tar.xz.sig.


You can verify the "alpine-2.26.tar.xz" file with the signature "alpine-2.26.tar.xz.sig" and Eduardo public key.


cer@Telcontar:~/tmp/alpine> gpg --verify alpine-2.26.tar.xz.sig 
alpine-2.26.tar.xz
gpg: Signature made 2022-06-03T02:14:17 CEST
gpg:                using RSA key 7BCC14640B206433AC2D511FBEB04EE9EA8259AD
gpg: Can't check signature: No public key
cer@Telcontar:~/tmp/alpine>

cer@Telcontar:~/tmp/alpine> wget 
https://alpineapp.email/alpine/gpg/alpine.cha...@yandex.com.gpg
- --2024-04-11 03:01:56--  
https://alpineapp.email/alpine/gpg/alpine.cha...@yandex.com.gpg
Resolving alpineapp.email (alpineapp.email)... 198.91.87.65
Connecting to alpineapp.email (alpineapp.email)|198.91.87.65|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 3984 (3,9K) [application/x-msdownload]
Saving to: ‘alpine.cha...@yandex.com.gpg’

alpine.cha...@yandex.com.gpg 
100%[=============================================>]   3,89K  --.-KB/s    in 0s

2024-04-11 03:01:57 (798 MB/s) - ‘alpine.cha...@yandex.com.gpg’ saved 
[3984/3984]



cer@Telcontar:~/tmp/alpine> l
total 7364
drwxr-xr-x   2 cer users      98 Apr 11 03:01 ./
drwxr-xr-x 158 cer users    8192 Apr 11 02:58 ../
- -rw-r--r--   1 cer users 7517628 Jun  3  2022 alpine-2.26.tar.xz
- -rw-r--r--   1 cer users     566 Jun  3  2022 alpine-2.26.tar.xz.sig
- -rw-r--r--   1 cer users    3984 Jun 15  2022 alpine.cha...@yandex.com.gpg
cer@Telcontar:~/tmp/alpine>

cer@Telcontar:~/tmp/alpine> gpg --import alpine.cha...@yandex.com.gpg gpg: key BEB04EE9EA8259AD: "alpine.cha...@yandex.com" not changed
gpg: Total number processed: 1
gpg:              unchanged: 1
cer@Telcontar:~/tmp/alpine> gpg --verify alpine-2.26.tar.xz.sig 
alpine-2.26.tar.xz
gpg: Signature made 2022-06-03T02:14:17 CEST
gpg:                using RSA key 7BCC14640B206433AC2D511FBEB04EE9EA8259AD
gpg: Good signature from "alpine.cha...@yandex.com" [unknown]
gpg:                 aka "Eduardo Chappa <eduardo.cha...@outlook.com>" [unknown]
gpg: WARNING: This key is not certified with a trusted signature!
gpg:          There is no indication that the signature belongs to the owner.
Primary key fingerprint: 7BCC 1464 0B20 6433 AC2D  511F BEB0 4EE9 EA82 59AD
cer@Telcontar:~/tmp/alpine>


That's the procedure for verifying the sources (although there is a chain of trust problem in what I did). You can not gpg verify the windows binary because the signature is not published.



- -- Cheers,
       Carlos E. R.
       (from openSUSE 15.5 x86_64 at Telcontar)

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