return NULL;
	}
    }

    /* Set verification CAs */
    Tcl_DStringInit(&ds);
    Tcl_DStringInit(&ds1);
    /* There is one default directory, one default file, and one default store.
	The default CA certificates directory (and default store) is in the OpenSSL
	certs directory. It can be overridden by the SSL_CERT_DIR env var. The
	default CA certificates file is called cert.pem in the default OpenSSL
	directory. It can be overridden by the SSL_CERT_FILE env var. */
	/* int SSL_CTX_set_default_verify_dir(SSL_CTX *ctx) and int SSL_CTX_set_default_verify_file(SSL_CTX *ctx) */
    if (!SSL_CTX_load_verify_locations(ctx, F2N(CAfile, &ds), F2N(CAdir, &ds1)) ||
	!SSL_CTX_set_default_verify_paths(ctx)) {
#if 0
	Tcl_DStringFree(&ds);
	Tcl_DStringFree(&ds1);
	/* Don't currently care if this fails */
	Tcl_AppendResult(interp, "SSL default verify paths: ", REASON(), (char *) NULL);