[Cfrg] RFC 8645 on Re-keying Mechanisms for Symmetric Keys
rfc-editor@rfc-editor.org Thu, 29 August 2019 17:14 UTC
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Subject: [Cfrg] RFC 8645 on Re-keying Mechanisms for Symmetric Keys
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A new Request for Comments is now available in online RFC libraries.
RFC 8645
Title: Re-keying Mechanisms for Symmetric Keys
Author: S. Smyshlyaev, Ed.
Status: Informational
Stream: IRTF
Date: August 2019
Mailbox: svs@cryptopro.ru
Pages: 69
Characters: 141580
Updates/Obsoletes/SeeAlso: None
I-D Tag: draft-irtf-cfrg-re-keying-17.txt
URL: https://www.rfc-editor.org/info/rfc8645
DOI: 10.17487/RFC8645
A certain maximum amount of data can be safely encrypted when
encryption is performed under a single key. This amount is called
the "key lifetime". This specification describes a variety of
methods for increasing the lifetime of symmetric keys. It provides
two types of re-keying mechanisms based on hash functions and block
ciphers that can be used with modes of operations such as CTR, GCM,
CBC, CFB, and OMAC.
This document is a product of the Crypto Forum Research Group (CFRG)
in the IRTF.
This document is a product of the Crypto Forum Research Group of the IRTF.
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