1 OverView
Descriptions for how to sign an apk
2 HOWTO
2.1 tools
2.1.1 signapk.jar
out\host\linux-x86\framework\signapk.jar
2.1.2 platform.x509.pem&platform.pk8
build\target\product\security
2.2 signapk
java -jar signapk.jar platform.x509.pem platform.pk8 update.apk update_signed.apk