[core] I-D Action: draft-ietf-core-oscore-key-limits-02.txt
internet-drafts@ietf.org Wed, 10 January 2024 18:44 UTC
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Date: Wed, 10 Jan 2024 10:44:26 -0800
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Subject: [core] I-D Action: draft-ietf-core-oscore-key-limits-02.txt
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Internet-Draft draft-ietf-core-oscore-key-limits-02.txt is now available. It is a work item of the Constrained RESTful Environments (CORE) WG of the IETF. Title: Key Usage Limits for OSCORE Authors: Rikard Höglund Marco Tiloca Name: draft-ietf-core-oscore-key-limits-02.txt Pages: 14 Dates: 2024-01-10 Abstract: Object Security for Constrained RESTful Environments (OSCORE) uses AEAD algorithms to ensure confidentiality and integrity of exchanged messages. Due to known issues allowing forgery attacks against AEAD algorithms, limits should be followed on the number of times a specific key is used for encryption or decryption. Among other reasons, approaching key usage limits requires updating the OSCORE keying material before communications can securely continue. This document defines how two OSCORE peers can follow these key usage limits and what steps they should take to preserve the security of their communications. The IETF datatracker status page for this Internet-Draft is: https://datatracker.ietf.org/doc/draft-ietf-core-oscore-key-limits/ There is also an HTML version available at: https://www.ietf.org/archive/id/draft-ietf-core-oscore-key-limits-02.html A diff from the previous version is available at: https://author-tools.ietf.org/iddiff?url2=draft-ietf-core-oscore-key-limits-02 Internet-Drafts are also available by rsync at: rsync.ietf.org::internet-drafts
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