Re-keying Mechanisms for Symmetric Keys

Document Type Replaced Internet-Draft (individual)
Last updated 2017-02-20
Replaced by draft-irtf-cfrg-re-keying
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This specification contains a description of a variety of methods to increase the lifetime of symmetric keys. It provides external and internal re-keying mechanisms that can be used with such modes of operations as CTR, GCM, CBC, CFB, OFB and OMAC.


Stanislav Smyshlyaev (
Russ Housley (
Mihir Bellare (
Evgeny Alekseev (
Smyshliaeva Ekaterina (
Daniel Franke (
Lilia Ahmetzyanova (
Ruth Ng (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)