[Noisebridge-discuss] cryptopal exercise working group

[Danukeru]

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>
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> 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>
>> 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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>>
>>
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>
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