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Project 25 Documents & Standards Reference

Revised Jan 29, 2013
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Data Encryption Standard Documents

The Federal Government no longer endorses the DES algorithm (since May 2005) for secure communications. However, for backward interoperability purposes or to satisfy import/export restrictions, DES optionally may be available in P25 equipment implementing encryption, but only as a secondary algorithm to AES. Because DES has reached the end of its useful cryptographic life, its use in new systems is strongly discouraged.

Optional

Provides guidance necessary to meet the optional (mandatory if supporting DES features) P25 DES.

Description and Specification Documents

Overview (Informative)

(No documents are planned)

Protocol (Normative)

  • Project 25 Security Services Overview, ANSI/TIA-102.AAAB-A (Reaffirmed, Feb 2011)

  • (Security Threats, Confidentiality, Integrity, Authentication, and Key Management)

  • Project 25 Block Encryption Protocol, TIA-102.AAAD-A (Aug 2009)

  • (Keystream Generator, Voice Operation, Data Operation, Mandatory Algorithm – DES, Triple Data Encryption Algorithm (TDEA), and AES)

  • Project 25 – Digital Land Mobile Radio – Link Layer Authentication, TIA-102.AACE-A (Apr 2011)

  • (Challenge and Response Authentication, Procedures and Operational Descriptions, Control Channel Messages, Key Management and Provisioning, Authentication Mechanism and AES Crypto Details)

Testing Documents

Conformance Tests Procedures

  • Conformance Test for Project 25 DES Encryption Protocol, ANSI/TIA-102.AAAC (Apr 2007)

  • (Test Parameters, Transmitter Tests, and Receiver Tests)

  • Conformance Test for Project 25 DES Encryption Protocol, ANSI/TIA-102.AAAC-A (Projected TR-8 approval date to publish, TBD)

  • (Test Parameters, Transmitter Tests, and Receiver Tests)

Measurement Methods

No specific documents planned for AES, but the following document also applies:

  • Project 25 Digital C4FM/CQPSK Transceiver Measurement Methods, ANSI/TIA-102.CAAA-C (Sep 2008)

  • (Methods of Measurements for Receivers, Transmitters, Trunking Systems, Unit Characteristics)

  • Project 25 Digital C4FM/CQPSK Transceiver Measurement Methods — Addendum 1 — Faded Channel Simulator, ANSI/TIA-102.CAAA-C-1 (Jun 2010)

  • Digital C4FM/CQPSK Transceiver Measurement Methods, TIA-102.CAAA-D (Projected TR-8 approval date to publish, TBD)

  • (Methods of Measurements for Receivers, Transmitters, Trunking Systems, Unit Characteristics)

Performance Recommendations

No specific documents planned for AES, but the following document also applies:

  • Project 25 Land Mobile Radio Transceiver Recommendations, C4FM/CQPSK Modulation, ANSI/TIA-102.CAAB-D (Jan 2013)

  • (Standards for All Equipment: Receiver Section, Transmitter Section, Trunked System Timing Characteristics, Unit Characteristics)

Interoperability Test Procedures

No specific documents planned for AES, but the following documents also apply:

  • Project 25 Interoperability Test Procedures Conventional Voice Equipment, TSB-102.CABA Feb 2002)

  • (Subscriber Tests, Repeater Tests, Vocoder and Late Entry Tests, Analog Compatibility Tests, Encrypted Voice Tests)

  • Project 25 Interoperability Testing for Voice Operation in Conventional Systems, TIA-102.CABA (Oct 2010)

  • Project 25 Interoperability Testing for Voice Operation in Trunked Systems, TIA-102.CABC-B (Nov 2010)

  • (Interoperability Test Procedures: Regular, Queued or Denied, and Announcement Group Call Tests, Protected Traffic Channel Tests, and informative test procedures that are conditional on other trunking documents modification)

  • Project 25 Interoperability Testing for Voice Operation in Trunked Systems — Addendum 1 — TDMA Mode, TIA-102.CABC-B-1 (Jul 2011)

  • (Interoperability Test Procedures: Regular, Queued or Denied, and Announcement Group Call Tests, Protected Traffic Channel Tests, and informative test procedures that are conditional on other trunking documents modification)

Compliance Assessment Documents

  • Project 25 Recommended Compliance Assessment Tests – Transceiver Performance – Conventional Mode Fixed Station, TSB-102.CBBC (Feb 2009)

  • (Tests to demonstrate compliance)