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Manage CA cert on android

  • 1 réponse
  • 0 a ce problème
  • 398 vues
  • Dernière réponse par Mike Kaply

Stanislas
Stanislas

Hello,

I had issue to verify the cert on android app for https://partners-enrichment.heytelecom.be. On Windows I didn't have the same issue.

version 144.0.2 / build id 20251027123126 / target arm64-v8a armeabi-v7a x86_64 Device: Samsung S22 / One UI 7.0 / Android version 15 / version S901U1UES8FYI2 / Security patch level September 1, 2025

Error: Secure Connection Failed, because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates.

CertChain RCA: DigiCert Global Root G2 DCA: DigiCert Global G2 TLS RSA SHA256 2020 CA1 cert: partners-enrichment.heytelecom.be

1) I couldn't check the cert from the gui as on windows. Shield in search bar / Connection not secure doesn't opened the cert. Is it expected?

2) I found this helppage: https://support.mozilla.org/en-US/kb/setting-certificate-authorities-firefox

Unfortunately about:preferences isn't available on android (ref. https://www.reddit.com/r/firefox/comments/u593x0/how_to_access_to_aboutpreferences_on_android/)

I see in about:certificate which is the correct RCA (I verified the pem file with the root). DigiCert Global Root G2

Where do I check the Intermediate CA's (DCA)?

3) When exporting the RCA it has been download as: digicert-global-root-g2.pem.txt Why the txt at the end?

On Windows it downloads as digicert-global-root-g2.pem

Kind regards,

Hello, I had issue to verify the cert on android app for https://partners-enrichment.heytelecom.be. On Windows I didn't have the same issue. version 144.0.2 / build id 20251027123126 / target arm64-v8a armeabi-v7a x86_64 Device: Samsung S22 / One UI 7.0 / Android version 15 / version S901U1UES8FYI2 / Security patch level September 1, 2025 Error: Secure Connection Failed, because its certificate issuer is unknown, the certificate is self-signed, or the server is not sending the correct intermediate certificates. CertChain [https://crt.sh/?id=20894741063 RCA]: DigiCert Global Root G2 [https://crt.sh/?caid=185752 DCA]: DigiCert Global G2 TLS RSA SHA256 2020 CA1 [https://crt.sh/?id=20894741063 cert]: partners-enrichment.heytelecom.be 1) I couldn't check the cert from the gui as on windows. '''Shield in search bar / Connection not secure doesn't opened the cert'''. Is it expected? 2) I found this helppage: https://support.mozilla.org/en-US/kb/setting-certificate-authorities-firefox Unfortunately '''about:preferences isn't available on android''' (ref. https://www.reddit.com/r/firefox/comments/u593x0/how_to_access_to_aboutpreferences_on_android/) I see in about:certificate which is the correct RCA (I verified the pem file with the root). DigiCert Global Root G2 '''Where do I check the Intermediate CA's '''(DCA)? 3) When''' exporting the RCA''' it has been download as: digicert-global-root-g2.pem.txt Why the''' txt at the end?''' On Windows it downloads as digicert-global-root-g2.pem Kind regards,

Toutes les réponses (1)

Mike Kaply
Mike Kaply
  • Moderator
Personnel de Mozilla

You definitely have an intermediate chain issue.

The reason you don't see it on Firefox on desktop is because we download the intermediate over time. You would see the error with a fresh profile.

I did find this site:

https://whatsmychaincert.com/?partners-enrichment.heytelecom.be

That said the chain was misconfigured.

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