Stuff I'm Up To

Technical Ramblings

Android Trusted CA Certificate — September 20, 2017

Android Trusted CA Certificate

We have been tested by some of our Android Lollipop tablets. Adding a trusted CA certificate used to be as easy as visiting the proxy portal and clicking the install certificate button.

Now these devices come up with an error complaining that there is “no certificate in file”.

Reading a lot of Android nightmare posts about converting the PEM certificate to pfx/p12 using openssl and then rooting the device and delivering the certificate into the folder for the cacerts using the command line it turned out to be far simpler.

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Comodo SSL Certs & Android — October 10, 2016

Comodo SSL Certs & Android

After buying a cheap SSL certificate I found I’d missed something important during the install.

Usually it’s just a case of copy the certificate and key files to /etc/ssl/certs and /etc/ssl/private, respectively and then pointing the Nginx config at them to get it working.

Well all was well in the GUI world of Linux and Windows browsers. But My Android said the certificate wasn’t trusted. Looks like there’s some CA intermediates that need sorting.

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