secure communication

OPCUA Client for Siemens PLC Developed with WinForm

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OPCUA Client for Siemens PLC Developed with WinForm

Introduction With the continuous development of the industrial automation field, the secure transmission of data and the interconnectivity between devices have become increasingly important. OPCUA (Open Platform Communications Unified Architecture) provides a reliable and secure data exchange solution as a cross-platform, service-oriented architecture. This article recommends a Siemens PLC OPCUA client project developed based on … Read more

Applications of Asymmetric Encryption Algorithms

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Applications of Asymmetric Encryption Algorithms

In previous articles, we briefly discussed asymmetric encryption, which involves splitting a key into two parts: one part is kept private, known as the private key, while the other part can be publicly shared, known as the public key. The encryption algorithm ensures that data encrypted with one key can only be decrypted with the … Read more