Supported cipher suites
The TwinCAT IoT driver supports secure data transmission using the TLS standard. Below you will find an overview of all cipher suites supported by the IoT driver, depending on the TwinCAT version.
TwinCAT 3.1 Build 4024.x
Cipher suite |
|---|
AES128-GCM-SHA256 |
AES128-SHA |
AES128-SHA256 |
AES256-SHA |
AES256-SHA256 |
DES-CBC3-SHA |
DHE-RSA-AES128-GCM-SHA256 |
DHE-RSA-AES128-SHA |
DHE-RSA-AES128-SHA256 |
DHE-RSA-AES256-SHA |
DHE-RSA-AES256-SHA256 |
ECDHE-ECDSA-AES128-GCM-SHA256 |
ECDHE-ECDSA-AES128-SHA |
ECDHE-ECDSA-AES128-SHA256 |
ECDHE-ECDSA-AES256-SHA |
ECDHE-ECDSA-DES-CBC3-SHA |
ECDHE-RSA-AES128-GCM-SHA256 |
ECDHE-RSA-AES128-SHA |
ECDHE-RSA-AES128-SHA256 |
ECDHE-RSA-AES256-SHA |
ECDHE-RSA-DES-CBC3-SHA |
EDH-RSA-DES-CBC3-SHA |
PSK-3DES-EDE-CBC-SHA |
PSK-AES128-CBC-SHA |
PSK-AES128-CBC-SHA256 |
PSK-AES128-GCM-SHA256 |
PSK-AES256-CBC-SHA |
TwinCAT 3.1 Build 4026.x
Cipher suite |
|---|
AES128-GCM-SHA256 |
AES128-SHA |
AES128-SHA256 |
AES256-GCM-SHA384 |
AES256-SHA |
AES256-SHA256 |
DHE-RSA-AES128-GCM-SHA256 |
DHE-RSA-AES128-SHA |
DHE-RSA-AES128-SHA256 |
DHE-RSA-AES256-GCM-SHA384 |
DHE-RSA-AES256-SHA |
DHE-RSA-AES256-SHA256 |
ECDHE-ECDSA-AES128-GCM-SHA256 |
ECDHE-ECDSA-AES128-SHA |
ECDHE-ECDSA-AES128-SHA256 |
ECDHE-ECDSA-AES256-GCM-SHA384 |
ECDHE-ECDSA-AES256-SHA |
ECDHE-ECDSA-AES256-SHA384 |
ECDHE-RSA-AES128-GCM-SHA256 |
ECDHE-RSA-AES128-SHA |
ECDHE-RSA-AES128-SHA256 |
ECDHE-RSA-AES256-GCM-SHA384 |
ECDHE-RSA-AES256-SHA |
ECDHE-RSA-AES256-SHA384 |
PSK-AES128-CBC-SHA |
PSK-AES128-CBC-SHA256 |
PSK-AES128-GCM-SHA256 |
PSK-AES256-CBC-SHA |
PSK-AES256-CBC-SHA384 |
PSK-AES256-GCM-SHA384 |