Timeline for Ability to add non-SMS non-Apple 2FA to an Apple ID?

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Jun 4 at 10:38	comment	added	jksoegaard		@WackGet I'm talking about the way it works - i.e. if you look at it from a computer science perspective, it's essentially the same as TOTP. In practice most TOTP-implementations available to ordinary users are based on RFC6238, so they won't work with Apple's system. Apple made their own implementation, which functions quite similar to TOTP with a shared key that can be used to generate codes offline. It is entirely possible to implement that on non-Apple devices too, so it is not a theoretical limitation - it is just a limitation based on what's available on the market currently.
Jun 3 at 13:33	comment	added	WackGet		How is Apple's system "very similar" to TOTP? With TOTP there is a shared key I can use to generate codes via whatever app I want, on whatever devices I want. With Apple's system I'm limited to use a single phone number or my own Apple devices (if I own any).
Dec 9, 2022 at 13:31	history	edited	jksoegaard	CC BY-SA 4.0	added 790 characters in body
Jan 22, 2021 at 17:32	review	Suggested edits
Jan 22, 2021 at 18:15
Sep 25, 2019 at 22:58	vote	accept	pkamb
Dec 7, 2022 at 20:38
Mar 2, 2019 at 21:16	history	answered	jksoegaard	CC BY-SA 4.0