Version 1: Release Note 28 November 2014

Response Cryptographic Protection

Download 4.8 Mb.
Size4.8 Mb.
1   ...   50   51   52   53   54   55   56   57   ...   258

Response Cryptographic Protection

Requirements in this Section 6.4.5 shall apply to Message Category SME.C.NC and all subordinate categories.

The Device shall calculate the Device to Known Remote Party MAC (SMD-KRP MAC) using the parameters in Table 6.4.5.

Input Parameter



To calculate the Shared Secret (‘Z’) input to the KDF:

Private Key Agreement Key


Public Key Agreement Key

Known Remote Party’s

As held by the Device in the relevant Trust Anchor Cell {remotePartyRole, keyAgreement, management}. The relevant Cell will contain Business Originator ID as specified in Message Identifier.

The other input to the KDF (‘OtherInfo’) shall be calculated according to the requirements of Section

As input to the GMAC function, the IV shall be constructed according to the requirements of Section, the Plaintext shall be empty and:

Additional Authenticated Data shall be the concatenation:

0x11 || Grouping Header || Response Payload || 0x00

Table 6.4.5: Calculation of Device to Known Remote Party MAC

The SMD-KRP MAC for incorporation in the Response shall only be calculated once all fields of the Response, except for the SMD-KRP MAC itself, are populated as per requirements for the Response Construction stage, for the Message in question.

      1. Directory: government -> uploads -> system -> uploads -> attachment data -> file
        file -> Remove this if sending to pagerunnerr Page Title Light Rail Security Recommended Best Practice
        file -> 8 Section 1 : Sport
        file -> Notice of exercise of additional powers of seizure under Sections 50 or 51 of the Criminal Justice and Police Act 2001
        file -> Home office circular 004/2014 Powers to search for and seize invalid travel documents in Schedule 8 to the Anti-social Behaviour, Crime and Policing Act 2014
        file -> Consultation on the Royal Parks and Other Open Spaces (Amendment) (No. 2) Regulations 2012
        file -> Crown copyright 2012
        file -> This is the Report to Government by the Film Policy Review Panel The brief
        file -> Impact Assessment (IA)
        file -> Dcms/Wolfson Museums and Galleries Improvement Fund a public-Private Partnership (2002-2010)

        Share with your friends:
1   ...   50   51   52   53   54   55   56   57   ...   258

The database is protected by copyright © 2020
send message

    Main page