EAP-TLS with certificates, can it be done without knowing the date and time ?


regarding NetworkManger connecting to an EAP-TLS secured 802.1X network that uses client server certificates.

I cannot find information on wether it or not it is possible to authenticate as as supplicant against and authentication server without knowing the shared date and time.

I have seen an implementation from which i am pretty sure doesn't provide the supplicant with the current date and time. (This board has no battery for an RTC).

In my current setup if the supplicant doesn't know the shared date and time authentication fails because the Authentication server rejects the client certificate as invalid or expired.

Are there any means in 802.1X to supply the supplicant with the current time before it tries to authenicate against the authentication server ?


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