ISO/IEC 29192-6:2019
Information technology — Lightweight cryptography — Part 6: Message authentication codes (MACs)
Information technology — Lightweight cryptography — Part 6: Message authentication codes (MACs)
- Статус документа:
- Действующий
- Формат:
- Электронный (PDF)
- Количество страниц:
- 20
- Дата публикации:
- 18 сентября 2019 г.
- Издание:
- ISO/IEC IS 29192 edition 1 version 1
- ICS:
- 35.030
This document specifies MAC algorithms suitable for applications requiring lightweight cryptographic mechanisms. These mechanisms can be used as data integrity mechanisms to verify that data has not been altered in an unauthorized manner. They can also be used as message authentication mechanisms to provide assurance that a message has been originated by an entity in possession of the secret key. The following MAC algorithms are specified in this document: a) LightMAC; b) Tsudik's keymode; c) Chaskey-12.
Abstract
Overview
ISO/IEC 29192-6:2019 specifies lightweight Message Authentication Codes (MACs) for constrained environments. The standard defines three MAC algorithms - LightMAC, Tsudik’s keymode, and Chaskey-12 - intended for low-footprint applications that need data integrity and message authentication without the resource cost of full-scale cryptography. Typical use cases include IoT, embedded systems, smart sensors, and other devices with limited CPU, memory, or power.
Key topics and technical requirements
- Purpose: Provide MAC algorithms suitable for verifying that data has not been altered and for authenticating message origin via a shared secret key.
- Algorithms specified:
- LightMAC - a block-cipher–based MAC meant to be used with an n‑bit block cipher selected from ISO/IEC 29192-2 or ISO/IEC 18033-3. Key aspects:
- Uses two independently generated block-cipher keys.
- Parameters include block size n, MAC length t, and counter size s (0 ≤ s
- LightMAC - a block-cipher–based MAC meant to be used with an n‑bit block cipher selected from ISO/IEC 29192-2 or ISO/IEC 18033-3. Key aspects:
Технические детали
- Технический комитет
- ISO/IEC JTC 1/SC 27 - Information security, cybersecurity and privacy protection
- SKU
- ISO/IEC 29192-6:2019
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