After looking at keycloak I could not find a way to do any SMS verification.
Do you guys have any extension or setup in order to allow user verification with SMS.
Thanks for your help.
Jonathan.
3 Answers
Here is the sample code from official github, now the keycloak version is 11+
https://github.com/keycloak/keycloak-quickstarts/tree/latest/action-token-authenticator
https://github.com/keycloak/keycloak/tree/master/examples/providers/authenticator
The best example I found was this one. He has a blog post and a 20 minute video to explain it. It was done December of 2020 and it built and ran right out of the box.
https://www.n-k.de/2020/12/keycloak-2fa-sms-authentication.html
code for the above blog post: https://github.com/dasniko/keycloak-2fa-sms-authenticator
there's even a video https://youtu.be/GQi19817fFk
I believe this needs to be a custom authentication SPI in Keycloak.
There are a couple of nice examples that seem to solve your problem. In case keycloak-sms-authenticator doesn't solve your purpose, then you can take a look at the source code and tweak it according to your need.
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