• TIA TIA-102.AACA-1

TIA TIA-102.AACA-1

Project 25 Digital Radio Over-the-Air-Rekeying (OTAR) Protocol Addendum 1 – Key Management Security Requirements for Type 3 Block Encryption Algorithms

Telecommunications Industry Association , 11/27/2002

Publisher: TIA

File Format: PDF

$53.00$107.00


ANSI APPROVED

Introduction

This addendum specifies the general security requirements to be used when transmitting Type 3 Key Management Messages (KMMs) as defined in the Over The Air Rekeying (OTAR) Protocol document (reference 1). It also specifies the requirements to encrypt (wrap) Type 3 keys when sent as part of a KMM, the techniques to be used to protect the integrity of KMMs and the mechanism used to protect against the replay of KMMs. The addendum provides support for Triple DES and AES but is not limited to those algorithms. This addendum is designed to support all block encryption algorithms that have a block size that is a multiple of 2 octets except for DES. The requirements for DES are specified in Annex D of the OTAR Protocol document (reference 1).

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