Project 25 Technology Information Group


Wednesday, June 16, 2021

Project 25 Technology Information Group

The Project 25 Technology Interest Group (PTIG) offers links to a Library of P25 Security and Encryption Resources.

 

In coordination with SAFECOM and the National Council of Statewide Interoperability Coordinators, the Federal Partnership for Interoperable Communications (FPIC) continues to provide public safety officials and agencies with the information necessary to make informed decisions when implementing encryption in Project 25 public safety communication systems.

The Project 25 Technology Interest Group is pleased to offer links to these important P25 Security and Encryption Resources for P25 users, manufacturers, and consultants.

The Full Document Library can be found on the Cybersecurity and Infrastructure Security Agency (CISA) web page using the link below:

https://www.cisa.gov/publication/encryption

 

A Video "Encryption in 3 Minutes" created by the DHS CISA P25 Support Team is now available using the link below:   

https://www.youtube.com/watch?v=P1sKPEaHWUc  

 

Requirements for communications and information security in the public safety community is increasing as technologies for monitoring public safety communications become more accessible. Scanners and smart phone apps make it easier for anyone to access sensitive law enforcement and emergency medical services information transmitted in the clear (without encryption). At the same time, encrypting specific talk groups or channels in a land mobile radio (LMR) system can potentially interfere with interoperability within and among agencies if encryption protocols are not properly coordinated and shared among users.

Public safety agencies face a broad range of options when it comes to encryption capabilities, including choices of encryption algorithm, various protocols for key generation, key management and determining crypto-periods (the length of time between system-wide changes of encryption keys). These options can be simplified by considering best practices developed by public safety agencies not only to protect their own systems’ communications and information sharing but also to maintain interoperability with their local, state, tribal and federal mutual aid partners.

A List of the Documents available in the CISA library is below:

Operational Best Practices for Encryption Key Management (August 2020)

This latest document thoroughly explores the challenges of communications and information sharing relevant to public safety LMR systems and provides the public safety community with specific encryption key management best practices and case studies that illustrate the importance of protected communications and information sharing. The Operational Best Practices for Encryption Key Management document was developed in partnership with the National Law Enforcement Communications Center (NLECC), the National Institute of Standards and Technology, and subject matter experts from federal, state, and local agencies.

Operational Best Practices for Encryption Key Management (August 2020)

Considerations for Encryption in Public Safety Radio Systems

This report describes agency requirements related to LMR encryption. It outlines the types of radio traffic that should be considered for encryption, including sensitive law enforcement information, personally identifiable information, tactical/investigative communications, time-sensitive disaster/incident response and mitigation information, and other sensitive communication and information that can impact the safety of public safety personnel and the public.

Considerations for Encryption in Public Safety Radio Systems

Guidelines for Encryption in Land Mobile Radio Systems

These Guidelines address encryption methodology—the strategy for determining which encryption methods or algorithms best protects sensitive information. It identifies considerations that should be included in any evaluation of available encryption capabilities as well as potential drawbacks to be considered.

Guidelines for Encryption in Land Mobile Radio Systems

Best Practices for Encryption in P25 Public Safety Land Mobile Radio Systems

This document provides an overview of standardized encryption key management practices related to Project 25 LMR systems, with an emphasis on practices that public safety agencies have found to be most helpful in effectively implementing and managing encryption both within their agencies and with their mutual aid partners. This document is currently under revision and will be published in the first half of 2021.

Best Practices for Encryption in P25 Public Safety Land Mobile Radio Systems  

 

P25 Security & Encryption Summary Fact Sheets

https://www.cisa.gov/publication/encryption

 

Encryption Key Management Fact Sheet

Best Practices for Encryption in P25 Public Safety Land Mobile Radio Systems Fact Sheet

Best Practices for Encryption in P25 Public Safety Land Mobile Radio Systems - Developing Methods to Improve Encrypted Interoperability in Public Safety

Considerations for Encryption in Public Safety Radio Systems - Determining the Need for Encryption in Public Safety Radios

 


 

 

 

 

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