[Noisebridge-discuss] cryptopal exercise working group

Trent Robbins robbintt at gmail.com
Wed Nov 4 08:52:22 UTC 2015


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> 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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>>>
>>>
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>>
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>

-- 
(Sent from cellphone)
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