FB_SocketTlsSettingsClass

The FB_SocketTlsSettingsClass function block is used to configure the TLS (Transport Layer Security) communication layer. TLS enables secure IEC 61850 client-server communication.

Namespace: Tc3_Sockets
Library: Tc3_Sockets (Tc3_Sockets.compiled-library)

Inheritance hierarchy

FB_SocketTlsSettingsClass

FUNCTION_BLOCK FB_SocketTlsSettingsClass IMPLEMENTS I_SocketTlsSettingsClass

Interfaces

Type	Description
I_SocketTlsSettingsClass	TLS configuration interface

Methods

Name	Description
AddCa	Saves the file path of the CA certificate in the TLS configuration settings
AddCert	Saves the file path of the client or server certificate in the TLS configuration settings
AddCrl	Saves the file path of the Certificate Revocation List (CRL) in the TLS configuration settings
AddPsk	Saves the PSK (pre-shared key) and PSK identity string in the TLS configuration settings
Reset	Resets all TLS configuration settings
SetConnectFlags	Saves additional, optional TLS configuration settings of the client
SetListenFlags	Saves additional, optional TLS configuration settings of the server

Properties

Name	Type	Access	Definition location	Initial value	Description
nSecurePort	UDINT	Get	I_SocketTlsSettingsClass	3782	Secure ISO TP0 (IANA) port number for TLS communication
nSecurePort	UDINT	Set	Local	3782	Secure ISO TP0 (IANA) port number for TLS communication
connectFlags	ST_TlsConnectFlags	Get	I_SocketTlsSettingsClass	DEFAULT_TLSCONNECTFLAGS	Additional TLS configuration settings of the client
listenFlags	ST_TlsListenFlags	Get	I_SocketTlsSettingsClass	DEFAULT_TLSLISTENFLAGS	Additional TLS configuration settings of the server
pskKey	PVOID	Get	I_SocketTlsSettingsClass	0	Points to the first byte of the PSK key
pskKeyLen	UDINT(0..TCPADS_TLS_MAX_PSK_KEY_SIZE)	Get	I_SocketTlsSettingsClass	0	Byte length of the PSK key
sCaPath	STRING(TCPADS_TLS_CERTIFICATE_PATH_SIZE)	Get	I_SocketTlsSettingsClass	''	File path of the CA certificate
sCertPath	STRING(TCPADS_TLS_CERTIFICATE_PATH_SIZE)	Get	I_SocketTlsSettingsClass	''	File path of the client or server certificate
sCrlPath	STRING(TCPADS_TLS_CERTIFICATE_PATH_SIZE)	Get	I_SocketTlsSettingsClass	''	File path of the certificate revocation list (CRL)
sIdentity	STRING(TCPADS_TLS_PSK_IDENTITY_SIZE)	Get	I_SocketTlsSettingsClass	''	Identity string of the PSK key
sKeyPath	STRING(TCPADS_TLS_CERTIFICATE_PATH_SIZE)	Get	I_SocketTlsSettingsClass	''	File path of the private key
sKeyPwd	STRING(TCPADS_TLS_KEY_PASSWORD_SIZE)	Get	I_SocketTlsSettingsClass	''	Password string of the certificate