Version 1: Release Note 28 November 2014



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Common Requirements

  1. Summary - informative


Remote Party Security Credentials are provided to Devices as Certificates which are X.509 based, DER encoded ASN.1 structures. Hence, the Command’s structure is specified using ASN.1 with DER encoding to be applied to Command instances. Note that the details provided in the Response include the related Protection Against Replay counter details held on the Device.
        1. The ‘Provide Security Credential Details’ Command and Response


This Section 13.2.3.2 summarises the structure of the Provide Security Credential Details Command.

If protected by an Access Control Broker MAC as per Section 13.2.4.2, a Provide Security Credential Details Command shall be the concatenation:

MAC Header || Grouping Header || @ProvideSecurityCredentialDetails.Command || 0x00 || ACB-SMD MAC

If protected by a KRP Signature as per Section 13.2.4.2, a Provide Security Credential Details Command shall be the concatenation:

Grouping Header || @ProvideSecurityCredentialDetails.Command || 0x40 || KRP Signature

If an SMD Signature is required as per Section 13.2.4.5, a Provide Security Credential Details Response shall be the concatenation:

Grouping Header || @ProvideSecurityCredentialDetails.Response || 0x40 || SMD Signature

If an SMD Signature is not required as per Section 13.2.4.5, a Provide Security Credential Details Response shall be the concatenation:

MAC Header || Grouping Header || @ProvideSecurityCredentialDetails.Response || 0x00 || SMD-KRP MAC

Where:


  • @ProvideSecurityCredentialDetails.Command and Response shall each be an octet string containing the DER encoding of the populated ASN.1 structure (as laid out in Section 13.2.3.3);

  • 0x40 is the length in octets of Signature when a SMD or KRP Signature is present, and 0x00 is the length in octets of Signature when a SMD or KRP Signature is not present;

  • KRP Signature and ACB-SMD MAC are as defined in Section 13.2.4.2;

  • SMD Signature and SMD-KRP MAC are as defined in Section 13.2.4.5; and

  • MAC Header and Grouping Header are as defined in Section 7.2.

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