[IPsec] Re: Are there any issues of reusing IPsec key for generating Authentication Code?

2024-07-10 Thread Paul Wouters
On Tue, 9 Jul 2024, Linda Dunbar wrote: 1. The IPsec tunnel itself provides a secure channel for transmitting the authentication keys. This ensures that the keys are protected from eavesdropping or tampering during distribution. 2. Reuse the existing IPsec keys as input to a key derivatio

[IPsec] Re: Are there any issues of reusing IPsec key for generating Authentication Code?

2024-07-10 Thread Linda Dunbar
Paul, Thank you very much for the comment. Is it acceptable to use the existing IPsec keys as input to a key derivation function (KDF)? The KDF generates unique authentication keys that are cryptographically linked to the IPsec keys but not directly exposed. Linda -Original Message

[IPsec] Re: Are there any issues of reusing IPsec key for generating Authentication Code?

2024-07-10 Thread Scott Fluhrer (sfluhrer)
Might I ask "what problem are you attempting to solve"? While what you're suggesting *might* be safe, I can't help but feel that there's a cleaner solution out there... > -Original Message- > From: Linda Dunbar > Sent: Wednesday, July 10, 2024 5:35 PM > To: Paul Wouters > Cc: ipsec@iet

[IPsec] Re: Are there any issues of reusing IPsec key for generating Authentication Code?

2024-07-10 Thread Linda Dunbar
Scott, Our draft (https://datatracker.ietf.org/doc/draft-dunbar-secdispatch-ligthtweight-authenticate/ describes lightweight authentication methods to prevent malicious actors from tampering with IP encapsulation headers or the metadata carried by the UDP Option Header. The IP encapsulation

[IPsec] request for a presentation slot at IETF 120 IPsecme WG session

2024-07-10 Thread Linda Dunbar
Tero and Yoav, Could we have a 10-minute slot at the IETF120 IPsecME session to present https://datatracker.ietf.org/doc/draft-dunbar-secdispatch-ligthtweight-authenticate/ ? The discussion on the mailing list has convinced us of the benefits of describing the background and the proposed mech

[IPsec] FW: I-D Action: draft-ietf-ipsecme-ikev2-sa-ts-payloads-opt-03.txt

2024-07-10 Thread Panwei (William)
Hi folks, This version address the comments raised by Valery (Thank you again for your review~). Any comments are more than welcome. Regards & Thanks! Wei PAN (潘伟) -Original Message- From: internet-dra...@ietf.org Sent: Monday, July 8, 2024 7:50 PM To: i-d-annou...@ietf.org Cc: ipsec