Maybe this can help? https://www.keycloak.org/docs/latest/server_development/index.html#_exten... On Wed, Aug 1, 2018 at 9:25 AM, Mangna POUTOULI <mangna.poutouli(a)gmail.com&gt; wrote: > We desire to create customised credential SPI for device fingerprinting. We > developed an authenticator SPI but we got an issue about credential size. > By default standard credential model limits the secret attribute to 4 KB. > Our fingerprint requires around 30 KB. What is the best way to solve this > issue ? Based on our research, I think there are 3 different approaches: > >    1. split the fingerprint in 4K blocks. Simple to develop but it will >    increase credential table entries by 8 ! Also, the 4K default size might >    change in a future release. >    2. extend userstorage and credentialModel classes. I’m not sure of this >    solution as the users are local to Keycloak. >    3. extend UsercredentialStore and create a new credential table. > > From my perspective, this should be the best solution but not sure it will > be possible. I’ll be happy to get community advice. Thanks, > _______________________________________________ > keycloak-user mailing list > keycloak-user(a)lists.jboss.org > https://lists.jboss.org/mailman/listinfo/keycloak-user _______________________________________________ keycloak-user mailing list keycloak-user(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/keycloak-user