Backing up and recovering 2FA tokens from FreeOTP
NOTE: THIS MAY NOT WORK ANYMORE - SEE COMMENTS
Backing up FreeOTP
Using adb, create a backup of the app using the following command:
adb backup -f freeotp-backup.ab -apk org.fedorahosted.freeotp
Using adb, create a backup of the app using the following command:
adb backup -f freeotp-backup.ab -apk org.fedorahosted.freeotp
Attention: this is the key used to sign the certificate requests, anyone holding this can sign certificates on your behalf. So keep it in a safe place!
openssl genrsa -des3 -out rootCA.key 4096