Securing a connection over the OPC UA protocol

To use a secure connection between the OPC UA client and the OPC UA server:

1. Copy the OPC UA client certificate to the directory /app/Core/pki/certs/transfer/opc_ua/client on the HW-IDS partition of the microSD card.

   Data structure with a digital signature containing a public encryption key and the ID of the client or server.

2. Copy the OPC UA server certificate to the directory /app/Core/pki/certs/transfer/opc_ua/client on the HW-IDS partition of the microSD card.
3. Copy the private encryption key of the OPC UA client to the directory /app/Core/pki/private/transfer/opc_ua/client on the HW-IDS partition of the microSD card.

   Component of a pair of encryption keys used for asymmetric encryption. Keys can be public or private.

Data can also be transmitted over the OPC UA protocol without using an encrypted connection. However, a secure connection between the OPC UA client and the OPC UA server cannot be ensured without encryption. It is not recommended to use an unsecured operating mode for Kaspersky IoT Secure Gateway 100.

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