Version 1: Release Note 28 November 2014



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Common requirements


All Encryption shall be Authenticated Encryption which:

  • shall use the cryptographic primitives, input value structures and cryptographic material specified in Section 4; and

  • shall, for Key Agreement, use the Key Agreement key pair of the Device and the Remote Party which is accessing the data item.

A Device shall, where it stores a data item listed in the Mapping Table as Encrypted, only provide that data in a Remote Party Message in Encrypted form.

Where the Encrypted data item is within a Log, a Command requesting that data shall always have ‘from’ and ‘to’ date-times specified.

Where all the octets in the ‘from’ date-time are 0x00 (excluding the least significant 3 bytes in Blue Book octet string formatted date-times), the Device shall interpret the ‘from’ field as meaning from the oldest in the Log.

Where all the octets in the ‘to’ date-time are 0xFF (excluding the least significant 3 bytes in Blue Book octet string formatted date-times), the Device shall interpret the ‘to’ field as meaning to the newest in the Log.

Where the Encrypted data item in the Mapping Table is not in a Log, a Command requesting that data shall never have ‘from’ or ‘to’ date-times specified.


    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)


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