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6 result(s) for ClientNonce

• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  5.6.2.2 Parameters
  URIs and the S ecurityPolicies associated with them are defined in OPC 10000-7 . clientNonce ByteString A random number that shall not be used in any other request ... clientNonce shall be generated for each time a SecureChannel is renewed. This parameter shall have a length equal to the SecureChannelNonceLength defined for the SecurityPolicy
• OPC-10000-4 – OPC Unified Architecture - Part 4: Services
  6.1.8 Calculating Signatures used in CreateSession and ActivateSession
  ServerCertificate ); The Client Application Certificate ( ClientCertificate ); The ServerNonce returned in CreateSession or ActivateSession ; The ClientNonce passed in CreateSession ; The ChannelThumbprint is a unique identifier for the SecureChannel computed when ... Channel Bound Signature Calculation Inputs Signature Data to Sign Signer ServerSignature (see 5.7.2 ) ChannelThumbprint | ClientNonce | HASH(Server ChannelCertificate) | HASH(Client ChannelCertificate) | ServerNonce ServerCertificate ClientSignature (see 5.7.3 ) ChannelThumbprint | ServerNonce | HASH(ServerCertificate
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  6.7.6 Deriving keys
  inputs for RSA based SecurityPolicies Name Derivation ClientSecret The value of the ClientNonce provided in the OpenSecureChannel request. ClientSeed The value of the ClientNonce provided in the OpenSecureChannel request. ServerSecret
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  6.8.1 Secure Channel Handshake
  contents of the OpenSecureChannel request and response messages. When using an ECC SecurityPolicy the ClientNonce is the Public Key for the Client's EphemeralKey encoded using the Public Key encoding ... normative source. Step 1: Calculate Salts ServerSalt = L | UTF8(opcua-server) | ServerNonce | ClientNonce ClientSalt = L | UTF8(opcua-client) | ClientNonce | ServerNonce Where L is the length of derived key material
• OPC-10000-6 – OPC Unified Architecture - Part 6: Mappings
  6.9 Diffie-Hellman Key Agreement (RSA)
  Client then calculates the DH PublicKey (a.k.a. Nonce) with: A = ga mod p The ClientNonce (A) is encoded as zero padded big-endian OctetString. Similarly, the Server the generates
• OPC-10000-12 – OPC Unified Architecture - Part 12: Discovery and Global Services
  9.6.7 FinishRequestToken
  where the ServiceData replaces the ServerNonce and the RequestorData replaces the ClientNonce . This Method shall be called from an encrypted SecureChannel and from a Client that has access