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4 result(s) for SecurityProtocols

• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  4 Overview
  used to implement them. The Mappings are organized into three groups: DataEncodings, SecurityProtocols and TransportProtocols . Different Mappings are combined together to create StackProfiles . All OPC UA applications shall implement ... that implement the same StackProfile. This document defines the DataEncodings in Clause 5 , the SecurityProtocols in Clause 6 and the TransportProtocols in Clause 6.9 . The StackProfiles are defined
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  6.1 Security Handshake and Security Policies
  Security Handshake and Security Policies All SecurityProtocols shall implement the OpenSecureChannel and CloseSecureChannel services defined in OPC 10000-4 . These Services specify how to establish a SecureChannel ... Messages exchanged and the security algorithms applied to them are shown in Figure 10 . SecurityProtocols shall support three SecurityModes : None , Sign and SignAndEncrypt . If the SecurityMode is None then
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  6.2.1 General
  that contain a Public Key and the identity of a OPC UA Application . All SecurityProtocols use X.509 v3 Certificates (see X.509 v3 ) encoded using the DER format (see X.690 ). Certificates
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  6.3 Time synchronization
  Time synchronization All SecurityProtocols require that system clocks on communicating machines be reasonably synchronized in order to check the expiry times for Certificates or CRLs . In addition, incorrect Timestamps