ST_IotCommunicatorTls

TLS security settings for the MQTT client.

Syntax

Definition:

TYPE ST_IotCommunicatorTls :
STRUCT
    eVersion           : E_IotCommunicatorTlsVersion := E_IotCommunicatorTlsVersion.tlsv1_2; // TLS version, which is used
    sCA                : STRING(255); // certificate authority as filename (PEM or DER format) or as string (PEM)
    sCert              : STRING(255); // (*optional*) client certificate as filename (PEM or DER format) or as string (PEM)
    sKeyFile           : STRING(255); // (*optional*) client key as filename
    sKeyPwd            : STRING(255);
    bNoServerCertCheck : BOOL; // if FALSE the server certificate is validated (default)
END_STRUCT
END_TYPE

Parameter

Name	Type	Description
eVersion	E_IotCommunicatorTlsVersion	TLS version to be used, based on enum E_IotCommunicatorTlsVersion.
sCA	STRING(255)	Certificate of the certificate authority (CA)
sCert	STRING(255)	Client certificate that is used for authentication at the broker (optional)
sKeyFile	STRING(255)	Private key of the client
sKeyPwd	STRING(255)	Password of the private key, if applicable
bNoServerCertCheck	BOOL	Disables verification of the server certificate validity. If communication is to take place without TLS encryption (HTTP), this value must remain FALSE.