openssl::ssl::SSL_VERIFY_FAIL_IF_NO_PEER_CERT

pub const SSL_VERIFY_FAIL_IF_NO_PEER_CERT: SslVerifyMode = SslVerifyMode{bits: ::ffi::SSL_VERIFY_FAIL_IF_NO_PEER_CERT,}

Terminate handshake if client did not return a certificate. Use together with SSL_VERIFY_PEER.