LibreOffice Public Signing Key | Is this a Joke?

[u3690325]

I know i’m not the first one asking, and probably not the last either.

Can someone explain this pain in the a$$ logic to me?
On your download website:

You clearly link to two other sites which are:
(1) key management software - gpg4win
(2) PGP Signature for LibreOffice

And for what, why do you provide these links??
To end up searching the internet where your public signing key is.
https://listarchives.libreoffice.org/global/users/2013/msg00712.html

The above website gives the following instructions:
“You can obtain it from a public key server, for example:
$ gpg --keyserver hkp://keys.gnupg.net --recv-keys /AFEEAEA3/
It’s also here:
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xF434A1EFAFEEAEA3”

I cannot use any cmd commands to import the singingkey due to restrictions on the os.
The only other option is to import the public signing key with gpg5win/kleopatra software.
But to import they key i need to download it first.
Well gues what the download link which you can see above does not work, it loads forever, and besides that doesn’t even support https.

If you want to make it so hard for people to verify the integrity of their downloaded libreoffice software you might aswell want to remove the linking to the key-management-software and the pgp signature.

What a waste of time.

[ajlittoz]

Apparently, you don’t complain about the database frontend Base although you tagged base. Please retag differently. Perhaps common (because it prevents you from downloadin any component) with download and signkey.

@u3690325

On your download website:

This site is manned by LO users not by The Document Foundation (who provided the infrastructure). So this site and the download site are not “ours”.

So either, reiterate your question on the Site Feedback leg of AskLO where you can reach site maintainers or file a bug report on TDF Bugzilla which is used by developers if you think this is an implementation issue (I doubt it; it is more site infrastructure related).

[u3690325]

None of the tags offered was related to my problem so might aswell randomly pick one.

After waiting 5 minutes the connection finally established.
Or not.

Proxy Error

The proxy server received an invalid response from an upstream server.
The proxy server could not handle the request GET /pks/lookup.

Reason: Error reading from remote server

So this server isn’t hosted by libreoffice but instead a third party, great, this is great.
Where do i get the public signing key now? Libreoffice wouldn’t be so incompetent and link their users to download key management software and the pgp signature for libreoffice without providing the option to also download the public signing key which is needed to verify the file integrity otherwise the two links you provide are entirely pointless.

Now dont get me wrong im not here to offend anyone, i just think this is… not very intelligent.

[u3690325]

I gave it another try, after waiting 2 minutes the page loaded and i got the key, but ofcourse no key fingerprint for comparison anywhere, brilliant.

Anyways… here the public signing key for libreoffice:

Public Key Server – Get "0xf434a1efafeeaea3 "

-----BEGIN PGP PUBLIC KEY BLOCK-----
Version: SKS 1.1.6
Comment: Hostname: pgp.mit.edu

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=ZSOR
-----END PGP PUBLIC KEY BLOCK-----

I importet this key to gpg4win/kleopatra and then used the pgp-singing-key fro the latest libreoffice version to verify the integrity of the installer.
This is where i got the pgp-signature:
https://download.documentfoundation.org/libreoffice/stable/7.6.3/win/x86_64/LibreOffice_7.6.3_Win_x86-64.msi.asc

The result is nothing but a massive waste of time so far, i’m unable to verify file integrity of LibreOffice_7.6.3_Win_x86-64.msi

[mikekaganski]

@u3690325

If you want to make it so hard for people to verify the integrity of their downloaded libreoffice software

Who told you that the key management software reference on the download page is somehow related to the checking of the download integrity? It is only related to the built-in support for singing of documents using OpenPGP.

[erAck]

@u3690325

i’m unable to verify file integrity of LibreOffice_7.6.3_Win_x86-64.msi

Because you tried to decrypt it (which of course fails because it is not encrypted) instead of verifying it with the detached signature.
(and copy-pasting the key here is of no use).

[u3690325]

@mike Ah so the pgp signature for the libreoffice installer is linked for what reason?
The only reason to provide that is for people to verify the integrity of the instlaler.
There is no other reason. So your comment it .

[mikekaganski]

Indeed. It is for people who know how to use it.
And there are lots of hashes, not only PGP signature - for different people with different knowledge and tools.
And it is exactly to make verifying the integrity easier. Not for kind of people who insist that they use some method they never used before, and blame others in own lack of experience.

[erAck]

Apparently you are confused by the term “new OpenPGP feature” (for which key handling the gpg4win/Kleopatra software is) and a “PGP signature available” for the distribution package. Those are independent of each other. If you never used OpenPGP / GPG and don’t know how to verify a package with a detached PGP signature file (which includes obtaining the signing key once from a keyserver) then that method probably is not meant for you. Apart from that, the referenced mail thread is old and the pgp.mit.edu key server is way outdated and should not be used.

The key once can be received from a current key server and imported, like (should work similar with gpg4win / Kleopatra on Windows but I don’t know) as you stated yourself
gpg --keyserver hkp://keys.gnupg.net --recv-keys 0xF434A1EFAFEEAEA3
and then the signature verified with
gpg --verify LibreOffice_7.6.3_Win_x86-64.msi.asc
if both the signature file and the distribution file reside in the same directory.

If due to your OS restrictions importing keys that way is not possible, that method is not for you.

I agree though that the signing key’s fingerprint
C283 9ECA D940 8FBE 9531 C3E9 F434 A1EF AFEE AEA3
should be listed prominently at least on the mirror list page, and the public key best should also be available through a link pointing to the TDF site.

Anyway, if not familiar with OpenPGP detached signatures then use the SHA-256 hash sum instead to verify integrity of the distribution file.

[u3690325]

As i said i cannot import certificates or keys with cmd or powershell due to restrictions on the device.
Network access for cmd and powershell is denied.
I want to download the singing key with a direct access url or from any official libreoffice website.
Is that to much to ask? Isn’t there any libreoffice server from where i can get the publicsigningkey…?

I did verify the signature as i always do and so far had no issues doing that with any other program.

The hashsum doesn’t proof that the file hasn’t been tampered with.
If the site has been hijacked or infiltrated, the malicious actor can provide a matching checksum for the malicious installer.

But i will admit that the term detached signature does not tell me anything.
All i want is to verify the integrity of libreoffice.

[keme1]

@u3690325

Can someone explain this pain in the a$$ logic to me?

To verify the integrity of the LibreOffice installer, run it through your favorite hash calculation software. Compare the result to the published hash of your chosen type, which you will find by clicking the Info link you marked just below the yellow download button.

You can also verify the integrity of the LibreOffice offline help installer, should you choose to download and install that. Likewise run it through your favorite hash calculation software. The hash to compare that result to is found by clicking the Info link you marked at the end of the “Help for offline …” line

@u3690325

I cannot use any cmd commands to import the singingkey due to restrictions on the os.

If you need to run CLI commands, you could try Powershell, which supports most of the cmd syntax. Failing that, you need to talk to your system admin.

@u3690325

I know i’m not the first one asking,

Then if you will be so kind, tell us where the others have asked, so we may forward the information if it is relevant.

[u3690325]

I am not familiar with any hash calculation sfotware.

CLI / powershell are not an option.

I’m not going to bombard this thread with links with people asking for the public singing key of libreoffice, you can look it up yourself using your favorite search engine. There’s enough.
Besides, new members on this forum cannot share more than two urls at a time.

[keme1]

@u3690325

I am not familiar with any hash calculation sfotware.
CLI / powershell are not an option.

There are many options out there. A web search is recommended.
QuickHash (open source) and Hash Tool (proprietary) are GUI low cost alternatives for Windows, which I have seen nice feedback for.
I haven’t tried them myself or done any extensive research. Proceed at own risk

[EarnestAl]

@u3690325

I am not familiar with any hash calculation sfotware.

If you are on Windows 10 then simply right-click the downloaded file, select CRC SHA and choose one of the sub options to calculate the hash. Compare that to the published hash from the Info link.

Windows 11 has an extra pointless menu tacked over the Win 10 one so right-click the downloaded file, select Show more options > CRC SHA, etc