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Network Time Security for the Network Time Protocol
Akamai Technologies, Cambridge, (USA).
Physikalisch-Technische Bundesanstalt, Braunschweig, Germany, (DEU).
Physikalisch-Technische Bundesanstalt, Braunschweig, Germany, (DEU).
Swedish Defence University, Department of Military Studies, Science of Command and Control and Military Technology Division, Military Technology Applications Section.ORCID iD: 0000-0001-9246-0263
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2020 (English)Report (Refereed)
Abstract [en]

This memo specifies Network Time Security (NTS), a mechanism for using Transport Layer Security (TLS) and Authenticated Encryption with Associated Data (AEAD) to provide cryptographic security for the client-server mode of the Network Time Protocol (NTP).

NTS is structured as a suite of two loosely coupled sub-protocols. The first (NTS Key Establishment (NTS-KE)) handles initial authentication and key establishment over TLS. The second (NTS Extension Fields for NTPv4) handles encryption and authentication during NTP time synchronization via extension fields in the NTP packets, and holds all required state only on the client via opaque cookies.

Place, publisher, year, edition, pages
2020. , p. 33
Series
Request for comments, ISSN 2070-1721 ; 8915
National Category
Computer Systems
Research subject
Systems science for defence and security
Identifiers
URN: urn:nbn:se:fhs:diva-9448DOI: 10.17487/RFC8915OAI: oai:DiVA.org:fhs-9448DiVA, id: diva2:1472202
Available from: 2020-10-01 Created: 2020-10-01 Last updated: 2021-11-11Bibliographically approved

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Dansarie, Marcus

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