The S2OPC team is proud to announce the 1.7.1 release of S2OPC.

This is a maintenance release following the 1.7.0 version. It brings a few enhancements and a security-related bug fix that adds a check for a buffer over-read while verifying the signature of secure channel message chunks (see issue #1704).

Enhancements¶

Some notable enhancements are:

Ticket #1695: Add/DeleteNodes: Improved list reference management (realloc)
Ticket #1712: UACTT / AppVeyor: Update to pass CI tests

Bug fixed and known bugs¶

The list of fixed bugs and of known bugs is available in the 1.7.1 Gitlab release page.

What is S2OPC ?¶

S2OPC is a software solution for client-server and pub-sub communications using OPC UA standard.

designed to target the cyber-security and real-time constraints of embedded products
deployed on larger command-control or supervision systems

S2OPC has a security visa from ANSSI for the CSPN certification and a certificate of compliance with the OPC UA v1.04 standard from the OPC Foundation.

Multiplatform SDK, S2OPC is used in application scaling from IIoT modules to SCADA systems. It supports both Client/Server and PubSub. S2OPC is also ready for integration with TSN networks.

S2OPC is an open-source solution for OPC UA communications.