[Emu] [Errata Verified] RFC7170 (7145)
RFC Errata System <rfc-editor@rfc-editor.org> Mon, 01 April 2024 11:32 UTC
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Subject: [Emu] [Errata Verified] RFC7170 (7145)
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The following errata report has been verified for RFC7170, "Tunnel Extensible Authentication Protocol (TEAP) Version 1". -------------------------------------- You may review the report below and at: https://www.rfc-editor.org/errata/eid7145 -------------------------------------- Status: Verified Type: Technical Reported by: Eliot Lear <lear@lear.ch> Date Reported: 2022-10-05 Verified by: Paul Wouters (IESG) Section: 3.3.3 Original Text ------------- The Crypto-Binding TLV MUST be exchanged and verified before the final Result TLV exchange, regardless of whether or not there is an inner EAP method authentication. Corrected Text -------------- Except as noted below, the Crypto-Binding TLV MUST be exchanged and verified before the final Result TLV exchange, regardless of whether or not there is an inner EAP method authentication Notes ----- The text contradicts itself in the same paragraph, because it goes on to say: The server may send the final Result TLV along with an Intermediate-Result TLV and a Crypto-Binding TLV to indicate its intention to end the conversation. If the peer requires nothing more from the server, it will respond with a Result TLV indicating success accompanied by a Crypto-Binding TLV and Intermediate-Result TLV if necessary. So there are actually several legal combinations here: 1. Server and peer perform a crypto-binding exchange in anticipation of later sending Result TLVs 2. The server and peer combine their crypto-binding and Result TLV in the same message. 3. One side initiates a crypto-binding TLV and the OTHER responds with both crypto-binding and Result TLV. The practice seems to be to include the crypto-binding TLVs alongside Result TLVs. -------------------------------------- RFC7170 (draft-ietf-emu-eap-tunnel-method-10) -------------------------------------- Title : Tunnel Extensible Authentication Protocol (TEAP) Version 1 Publication Date : May 2014 Author(s) : H. Zhou, N. Cam-Winget, J. Salowey, S. Hanna Category : PROPOSED STANDARD Source : EAP Method Update Stream : IETF Verifying Party : IESG
- [Emu] [Errata Verified] RFC7170 (7145) RFC Errata System