Android emuilator not download certificate

After I replace it with Chrome, the security warning no longer appears. And I'm able to view the https traffic between Chrome and the website. Get the apk file with Apk Extractor. Run apksigner sign -ks my-key. The first certificate shown there is Charles's 'certificate authority' CA certificate.

It's self-signed note how the 'Issued By' details are the same as the certificate's details , and doesn't apply to a specific domain. The way that certificate trust works is that you trust a set of CA certificates, and whenever you receive a certificate you want to verify, you look at who issued that certificate, and see if you trust them based on the CAs you have in some cases there are a few steps in the chain of trust, so you walk up it until you either find a certificate you trust or you get to the root and give up.

Does that make sense? In practice, Charles has generated one CA up front, which you need to trust, and then it generates new certificates on demand for each individual domain that needs one and signs them with its CA, and then you should trust those because you trust Charles. The certificates shown aren't the cause of your problem, so it's hard to give any more details.

There's some manual configuration required for Charles. Can you add any more information about what you've done, and the errors you're seeing? It's an open-source tool I've been working on, because Charles can be painful to setup like this. It's does all the same things, but the certificate setup is totally automated so you won't hit this problem. Stack Overflow for Teams — Collaborate and share knowledge with a private group. Create a free Team What is Teams?

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And I hope no more security certificate warning will be shown. This problem is not a very big problem issue on your smartphone.

You can prevent it easily. All you need to know is to upgrade everything. Make sure all your applications are up to date. Another thing you can do is handle each security certificate error as soon as they appear.

And another thing I have mentioned that correctly set the date and time on your smartphone. This article provides clear and easy to follow the guideline for fixing security certificate error of Android device.

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