Verify certificate using subordinate ca

[Yin, Ben 1. (NSN - CN/Cheng Du)]

> Hi,
> 
> It there a way to verify certificate with out root ca? I have 4
> certificate: rootca.pem is the root ca (self signed). subca.pem was
> signed by rootca.pem. cert1.pem & cert2.pem was signed by subca.pem. I
> was supposed to configure the client and server using subca.pem as ca,
> and cert1.pem & cert2.pem as certificate. It seem that openssl still
> try to find rootca.pem to verfiy subca.pem when handshake. But I don't
> what root.pem can bo accessed for keeping it safe. So It there a way
> to verify certificate with out root ca, only using sub ca and
> certificate signed by sub ca? Thanks.
> 
> 
> Br
> 
> Ben
>