> When I see SSL certificates, their serial number is like this :
> So, how could I set my serial file (with serial.old) for to obtain User
> Certificates with this serial using my openssl.cnf file?
> Thank you for your help!
> Have a nice day.
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When I see SSL certificates, their serial number is like this : 0A:8D:9A:4Q:8X:1A:0B:88:18:1Z
Serial numbers are displayed as hex values, so my guess is you just typed that “as an example” since Q X Z aren’t valid hex characters. Or perhaps it was an extension (like device
serial) that isn’t the “real” serial number.