On Mon, Oct 08, 2007, Heit, James R via RT wrote:

> I get a X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT (18) error in the verify
> callback function.

That happens when there is a root CA sent by the server but it doesn't match
the trusted one.

I suggest you dump the root CA using the -showcerts option in s_client and
compare it to the trusted one.

Dr Stephen N. Henson. Email, S/MIME and PGP keys: see homepage
OpenSSL project core developer and freelance consultant.
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