Online banking with Sparkasse?
Anyone here with experience in online banking with Sparkasse (the German saving bank)?
Their official S-pushTAN app is proprietary. Do you know if it is compatible with standard #TOTP clients like #OneTimePass? Do you know alternative apps in @fdroidorg ? Or alternative banks 😄 that are free-software compatible?
@carl @KnowPresent But if you think about it, a proprietary App running on your personal device is as unsecure as SMS, if not worse.
Personally I think the safest and most convenient method would be TOTP, which can be operated using any standard-conforming TOTP client. There are free-software TOTP clients out there. This would work for anyone who doesn't want to give away control of their personal computing to an un-auditable (and potentially malicious) software.
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