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TIA-102.AACA

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

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Organization: TIA
Publication Date: 27 November 2002
Status: inactive
Page Count: 36
scope:

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).

Document History

September 1, 2021
Project 25 Digital Radio Over-The-Air-Rekeying (OTAR) Messages and Procedures
The TIA-102 suite of documents describes the interfaces associated with a system for public safety land mobile radio communications. These systems include subscriber units, base stations and other...
November 6, 2020
Project 25 Digital Radio Over-The-Air-Rekeying (OTAR) Messages and Procedures- Addendum 1
Addendum Scope This addendum provides the following enhancements to the OTAR Messages and Procedures (TIA-102.AACA-A) standard: 1. Clarify the use of the Key ID field for single-key and multi-key...
September 10, 2014
Project 25 Digital Radio Over-The-Air-Rekeying (OTAR) Messages and Procedures
The TIA-102 suite of documents describes the interfaces associated with a system for public safety land mobile radio communications. These systems include subscriber units, base stations and other...
March 13, 2003
Project 25 Digital Radio Over-the-Air Rekeying (OTAR) Protocol Addendum 2 – Data Link Independent OTAR
This addendum specifies a method to transport Over The Air Rekeying (OTAR) Key Management Messages (KMMs) between a Key Management Facility (KMF) and an Mobile Radio (MR) that is independent of the...
TIA-102.AACA
November 27, 2002
Project 25 Digital Radio Over-the-Air-Rekeying (OTAR) Protocol Addendum 1 – Key Management Security Requirements for Type 3 Block Encryption Algorithms
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...
April 12, 2001
Project 25 Digital Radio Over-the-Air Rekeying (OTAR) Protocol
The Project 25 standard covers all of the parts of a system for public safety land mobile radio communications. These systems include subscriber units, base stations and other fixed equipment. The...
December 1, 2000
Project 25 over-the-Rekeying (OTAR) Protocol Addendum
A description is not available for this item.
January 1, 1996
APCO Project 25 Over-The-Air-Rekeying (OTAR) Protocol New Technology Standards Project Digital Radio Technical Standards
A description is not available for this item.
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