[keycloak-user] x509 - serial number as a HEX

[Karol Buler]

Hi Everybody,

is there any possibility to get Serial Number field from certificate in
x509 authentication flow as a HEX value instead of Integer.

I've set the x509 Direct Grant authentication flow to take Serial Number
as a username, and I've expected that there will be a HEX value, which I
see in certificate, but I've got Integer representation of it in my User
Storage Federation's classes.

Karol

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