The mailing list for users of the eduroam Configuration Assistant Tool (CAT)

[Tomasz Wolniewicz <twoln AT umk.pl>]

Hi Stefan,

 your answer probably comes out of a confusion. The certificate in question was for signing the mobileconfig not the Windows exe. While Windows installers are signed with the use of timestamping and the validity of the signature does not expire with the validity of the signing certificate itself, for mobileconfig we have not been using timestamping (so far) and the the expired cert will generate a warning from the Apple system.

We are looking into the possibility of timestamping these as well.

Cheers

Tomasz

W dniu 22.05.2025 o 12:00, Stefan Paetow (via cat-users Mailing List) pisze:

Ciao Daniele,

 

No, the signing does not prevent people from using the installers. The certificate is used to sign the executable, which allows a user to verify that it comes from a reputable (i.e. CAT) source and that it's not been tampered with.

 

So users won't see anything different, unless they right-click and look at the signing information in the Properties menu.

 

With kind regards

 

Stefan Paetow

Federated Roaming Technical Specialist

eduroam(UK), Jisc

 

email/teams: stefan.paetow AT jisc.ac.uk

gpg: 0x3FCE5142

 

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From: <cat-users-request AT lists.geant.org> on behalf of "ALBRIZIO DANIELE (via cat-users Mailing List)" <cat-users AT lists.geant.org>
Reply to: ALBRIZIO DANIELE <albrizio AT units.it>
Date: Thursday, 22 May 2025 at 10:44
To: Tomasz Wolniewicz <twoln AT umk.pl>, "cat-users AT lists.geant.org" <cat-users AT lists.geant.org>, "herivault.jacques AT uqam.ca" <herivault.jacques AT uqam.ca>
Cc: "ruel.ian AT uqam.ca" <ruel.ian AT uqam.ca>
Subject: Re: [[cat-users]] Cat-signer-ams.eduroam.org certificat expirering on May 30 2025

 

 

I think Jacques Hérivault, asking "please advise on what impact we must face when it will be renewed" meant what impact on users and helpdesk we must face.

 

Is it correct to say that users with an installer downloaded before yesterday will not be able to run it after  May 30 2025 and they will get a non proceed warning about certificate expiration?

 

On Wed, 2025-05-21 at 19:01 +0200, Tomasz Wolniewicz wrote:

Hi,

   the signing certificate has been renewed and all downloaded mobileconfig files will be signed with the new ones.

Yours

Tomasz Wolniewicz

 

W dniu 19.05.2025 o 17:26, "Herivault, Jacques" (via cat-users Mailing List) pisze:

 

Hello,

 

The cat-signer-ams.eduroam.org certificat that is included in our CAT Eduroam profils downloaded on our users devices is expirering on May 30 2025.

 

Could you please advise on what impact we must face when it will be renewed ?

 

Thank you.

 

Regards,

____________________________________________________________

Jacques Hérivault

Chargé de projet TI

Services informatiques – Direction des réseaux

herivault.jacques AT uqam.ca

514-987-3000 poste 2576

      servicesinformatiques.uqam.ca

 

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--

 

Daniele Albrizio

Ufficio Reti e Telefonia | Networks and Telephony Office
Università degli Studi di Trieste | University of Trieste
Via Alfonso Valerio 12 - 34127 Trieste (Italy)
daniele.albrizio AT units.it
Tel. | Ph. +39 040 558 3319

Ufficio Reti e Telefonia | Networks and Telephony Office
Tel. | Ph. +39 040 558 3331

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Tomasz Wolniewicz

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