Dear all, Clara Dô, Juliusz Chroboczek and myself have just pushed our new work on HMAC authentication using challenge TLV's for babeld to Github.
The code is available here: https://github.com/wkolod/babeld branch hmac-challenge The hmac branch is now obsolete. The prototype has received almost no testing so every comment is appreciated. There are two limitations that we plan to fix soon: - packet counter is global for now and not per interface (which may cause a vulnerability if the same local address is reused on multiple interfaces); - struct neighbour is created even if HMAC failed (which makes us susceptible to memory exhaustion attacks). Enjoy, Clara Dô Juliusz Chroboczek Weronika Kolodziejak
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