Table of Contents

Data structure

Entities (tables)

Authentication factors

This entity defines authentication factors entity information structure:

additional constraint: create unique index (user_id, type)

where factor is string which depends on factor type, examples:

Change User entity

• We need store for user 3 attribute:
  • count logins fail
  • count 2FA fail
  • block status of user

• Propose store counters parameters for 2FA in `users.priv_settings` as structure :

  
  

  {     "login_error_counter": 0,     "otp_error_counter": 0 }

  
  

• Propose store information about blocked directly in entity `users`.
  New columns:

  
  

  Column	Type	Purpose
  is_blocked	boolean
  block_reason	varchar (255), NULL

  
  

Сonstraints

• user have one active 2FA factor ( one of any type)
• unique index for `authentication_factors` on user_id+type