Getting certificate details from an apk

Question

How do i go about getting the details of the certificate an apk was signed with. I have a bunch of apks signed with different certificate and I am trying to group them based

Answer 1

unzip -p Name-of-apk.apk META-INF/CERT.RSA | keytool -printcert is what I used .

It produces information such as the owner , issuer , serial number , valid through, certificate finger prints , signature algorithms and version .