![]() A window will appear warning you that the CA Root certificate is not trusted.Ĭlick the "Install Certificate" button to launch the Certificate Import Wizard. In Charles go to the Help menu and choose "SSL Proxying > Install Charles Root Certificate". Here I'm quoting what I guess are the most used cofigs: The way to install it varies between browsers and operating systems. So you need to install Charles as CA to set it as trusted. Charles receives the server’s certificate, while your browser receives Charles’s certificate. It's does all the same things, but the certificate setup is totally automated so you won't hit this problem.I've been dealing with exactly the same, in my case it resolved by installing Charles Proxy's CA.Īs explained in the documentation, in order to view ssl communications as plain text, instead of your browser seeing the server’s certificate, Charles dynamically generates a certificate for the server and signs it with its own root certificate (the Charles CA Certificate). ![]() It's an open-source tool I've been working on, because Charles can be painful to setup like this. If you're not wedded to Charles specifically, HTTP Toolkit might be helpful as an alternative approach. Can you add any more information about what you've done, and the errors you're seeing? ![]() There's some manual configuration required for Charles. ![]() The certificates shown aren't the cause of your problem, so it's hard to give any more details. 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).ĭoes 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 second certificate is a certificate for a website, issued by & signed by Charles's CA certificate, with a single specific domain as its subject (not shown), and which can be used to verify a connection to that specific domain. 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 first certificate shown there is Charles's 'certificate authority' (CA) certificate. This is the original network_security_config.xml before I modify it. I'm not sure if the above steps would cause the app not able to trust Charles certificate. Put the apk file to the Android emulator and install it. Use apktool d $.apk to sign the apk file. The apk file of the Android app is downloaded from google play. And I'm able to view the https traffic between Chrome and the website.īut I still can't view the https traffic between the Android app and the server.Īnd here's my network_security_config.xml I originally used "Browser" version 7.1.2 to visit a website.Īfter I replace it with Chrome, the security warning no longer appears. The security warning is caused by the browser on the emulator. I'm using the latest Charles proxy, which is version 4.5.6. How can I view the https traffic on the Android emulator? This makes my Android emulator not able to trust the certificate when visiting a website through Charles proxy. This certificate can be viewed from Setting -> Security -> Trusted credentials -> USER tab.Īnd here's the certificate I found when visiting any websites though Charles proxy:Īs you can see from the pictures, their fingerprints are different. Here's the certificate I got from chls.pro/ssl One thing I found strange is that the certificate I download from chls.pro/ssl is different from the certificate I encountered when visiting a website through Charles proxy. I'm following this tutorial to monitor the https traffic on an Android version 7 emulator.
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