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Nov
15
comment Validating correctness amongst untrusted answers
Thanks, I'll look into it.
Nov
15
accepted Validating correctness amongst untrusted answers
Nov
15
comment Validating correctness amongst untrusted answers
Thanks, I like this approach. It is very close to what I have thought, but I like the idea of validating only a fraction of the packets. Can you provide some links?
Nov
13
asked Validating correctness amongst untrusted answers
Jan
31
comment Easy protocol for email authentication
Thanks too for the useful comments. I really have not so important stuff to protect, and most of all, very few users which I know personally, so for now I will not deal with rekeying (if I have to, I can just do it manually). The point about the simplicity of using the signing mechanisms in mail clients is very solid, I will consider it more deeply. Anyway I was planning no to make users write the emails in the first place, but instead give them a custom application that generates emails on the background. In any case you make very good points. +1.
Jan
31
awarded  Scholar
Jan
31
awarded  Supporter
Jan
31
accepted Easy protocol for email authentication
Jan
31
comment Easy protocol for email authentication
Thanks a lot. Yes I forgot to mention the fact that hashes are stored to prevent replay attacks (although I didn't know that was the name). I've read through the articles and I think I'll give a try to HMAC. Despite the practical issues regarding software reuse and so, which I totally agree, I also have a kind of "academic" interest in implementing the thing by myself and seen how it works. What hash would you suggest for HMAC?
Jan
31
awarded  Student
Jan
31
asked Easy protocol for email authentication
Jan
31
awarded  Autobiographer