> Hi everybody,
>
> i would like to know if it's normal to be able to sign a certificate with
> one which have "anti-signing" rules : i mean basicConstraints = CA:false.
> Could you enlight me ?
>
> Thank you,
>
> Jokester

Absolutely. Nobody can stop you from trying to use your certificate in a way
that conflicts with the specified purpose. However, one would expect
anything outside of your direct control to allow it.

You sign a certificate with a key. In principle, that key could be vouched
for by any number of certificates, or no certificates. Nothing can stop you
from signing any certificate you like with any private key you know.

However, if you present a certificate you have signed to another entity you
do not control to prove your identity, that other entity will need to
validate the certificate chain. If you can't present a certificate chain
that passes integrity checks and starts with a certificate that other entity
trusts, the certificate will do you no good.

DS


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