[Noisebridge-discuss] cryptopal exercise working group

John Shutt john.d.shutt at gmail.com
Wed Nov 4 09:11:12 UTC 2015


Add me to the list of people who are interested in this but can’t do it this week — at least not physically present in the space — since I’m in ye olde Europe right now.
> On Nov 4, 2015, at 12:52 AM, Trent Robbins <robbintt at gmail.com> wrote:
> 
> what does faux-pas mean in french xanada? in the US, we say it to say someone "put their foot in their mouth"
> 
> T
> 
> On Wednesday, November 4, 2015, Danukeru <danukasan+nsbrg at gmail.com <mailto:danukasan%2Bnsbrg at gmail.com>> wrote:
> I should be available for a good majority of these meetings if we set a date one every 2 weeks.
> 
> The cryptopals sets do touch on a number of interesting problems, and I should be able to clarify as to why certain things are implemented in any particular way ie. what makes a good compression function for a cryptographically secure hashing algorithm.
> 
> Some things such as length-extension attacks are not touched on at a lower level in cryptopals. Such as the fact that the SHA2 family of algorithms uses the same HMAC as presented for SHA1. However the same doesn't have to be done for the new SHA3 family of algorithms (read: merkle-damgard construction [MD5, SHA1, SHA2] vs sponge construction[SHA3])
> 
> As such I would encourage people coming to also bring their own thoughts to the table. 
> 
> Essentially, fair warning: the cryptopal challenge sets are a good way to focus on practical problems, but it should be taken as only scratching the surface of crypto implementations faux-pas.
> 
> 
> On Tue, Nov 3, 2015 at 10:02 PM, Justine De Caires <justine at minerva.kgi.edu <javascript:_e(%7B%7D,'cvml','justine at minerva.kgi.edu');>> wrote:
> I would love to get into a crypto-working-group-party thing! Every other week sounds brilliant; like Trent, there's lots going on for me this week.
> 
> On Tue, Nov 3, 2015 at 6:00 PM, Trent Robbins <robbintt at gmail.com <javascript:_e(%7B%7D,'cvml','robbintt at gmail.com');>> wrote:
> I am totally interested in this. I can make time for it each week or even better every other week.  Not this week unfortunately with all the coreboot stuff.
> 
> T
> 
> 
> On Sat, Oct 31, 2015 at 11:03 AM, Patrick O'Doherty <p at trickod.com <javascript:_e(%7B%7D,'cvml','p at trickod.com');>> wrote:
> hey folks,
> 
> a while back I mentioned possibly creating a cryptography paper reading
> group. chatting to folks this idea has somewhat changed into a study
> group for folks to work through the matasano cryptopal challenges [0]
> together.
> 
> they're a series of 48 exercises that demonstrate weakness in common
> cryptography, which for some might be a nicer way to learn w/ real
> application over academic reading, though I'd love to mix both!
> 
> I've been working on these for a short while and would love to get
> together with anyone interested in hacking on these together.
> 
> I'll be at the space tomorrow afternoon which I know might be too short
> notice for folks, so how about maybe some weeknight this coming week?
> 
> p
> 
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