Single Sign-On for Mobile Apps

Full Title or Meme

A process of Authentication of users on one site that can be applied to access other sites.

Problems

• Cookie issues start with the loss of Third Party Cookies in Apple in 2021.

Solutions

Apple iPhone

• Embedded browser is SFSafariView Controller which, starting in 2017, will not support cookies at all.
• 2018 ASWebAuthenticaion has some limited "Persistent" cookie capability but only with Safari and only on device.
• iCloud Keychain works between Apple devices.

OpenID

• OpenID Connect Native SSO for Mobile Apps 1.0 (George Fletcher)

session

References

• For the more general case see the wiki page Single Sign-On