The open62541 library used by the EPICS device support is quite old (version 1.0.2). This PR updates it to the newest version (1.3.9), adapting the EPICS code to the API changes.
As a side effect of updating the libary, LibreSSL and OpenSSL are now supported as cryptographic libraries in addition to mbed TLS.
The open62541 library used by the EPICS device support is quite old (version 1.0.2). This PR updates it to the newest version (1.3.9), adapting the EPICS code to the API changes.
As a side effect of updating the libary, LibreSSL and OpenSSL are now supported as cryptographic libraries in addition to mbed TLS.