Mixed TOTP/U2F second factor plugin
Summary
Like Gitlab, the idea is to have a 2F module that authorize to register an U2F key only if a TOTP has been registered. Auth process proposes the 2 options
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This cannot be done with TOTP and U2F plugins:
- during auth, U2F will be enabled with TOTP input, user has just to touch is key or enter its code
- If TOTP is unregistered, U2F keys will also be removed