Re: [openssl-users] self-signed certificate won't work in my app but works with s_client

"error 18:self signed certificate" is the expected result if you are validating a self-signed cert. In certificate verification, the code needs to check for X509_V_OK, X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT and X509_V_ERR_UNABLE_TO_GET_ISSUER_CERT_LOCALLY. X509_V_OK is a normal cert verification

[openssl-users] self-signed certificate won't work in my app but works with s_client

I am working with the example apps in the "Networking Security with OpenSSL" book and up until now have been able to get client/server examples 1,2,3 to work. But now I'm trying to connect to an in-house tool but I'm getting the error "error 18:self signed certificate". Despite this error when I