A note2self on how to sign Android apps for Google Play …. wiki on how to use OpenSsl to generate keys
http://android-dls.com/wiki/index.php?title=Generating_Keys
The whole procedure of creating keys and signing – with links to OpenSsl download
http://www.londatiga.net/it/how-to-sign-apk-zip-files/
If you get a configuration error in the 2nd step when creating keys … try adding an environment variable called “OPENSSL_CONF” with value to the openssl.cnf (e.g. “C:\Apps\Signing\openssl.cnf”)