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3 result(s) for SecurityTokens

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  3.1.12 SecurityToken
  SecurityToken identifier for a cryptographic key set Note 1 to entry: All SecurityTokens belong to a security context. For OPC UA the security context is the SecureChannel
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.6.2.1 Description
  specific combination of Client and Server application instances. Each channel contains one or more SecurityTokens that identify a set of cryptography keys that are used to encrypt and authenticate Messages ... SecurityTokens also have globally-unique identifiers which are attached to each Message secured with the token. This allows an authorized receiver to know how to decrypt and verify the Message
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.6.2.2 Parameters
  again. If a SecureChannel is not renewed, then all Messages sent using the current SecurityTokens shall be rejected by the receiver. Several cryptanalytic attacks become easier as more material encrypted