SignAPK - PEM file AND PK8 file

Question

What is PEM file & Pk8 file . Where can i find these for android apk. I need to use this to sign apk manually through SignApk.jar.

java -jar SignApk.jar certificate.pem key.pk8 PlatformOne.apk pf1.apk

This tool has integrated pem file & pk8 file. but i need my own private key signing.

Answer 1

The whole procedure looks very well explained here How to Sign Android APK or Zip Files

Answer 2

Go to your device rom. Here you will find etc named folder. Then open it and now you will find a folder named security. Open that now. You will find a zip file named otacerts.zip. Open that now and you will find your pem file