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Catalog (/cypher/)

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Rules and Regulations

Core Rules

http://8chan.co/cypher/rules.html

Misc Rules

The embedded image captures what this board is aimed/oriented towards.

/cypher/ is less concerned about why you're doing something and more about education/implementation.

Board Features

* IDs
* YouTube/Voocaroo embedding
* Require image for OP
* Max 5 images per post
* Code tags
* Math formatting (tex)
* PDF uploads
* Archiving on 8archive.moe
* Ellipsis conversion
* Public bans
* No reposted images
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Sure is dead in here

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Does anyone know what this means/what language it's even in?
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Anon OS Guide

For those of you that haven't seen this, it is the Anon Guide for a More Anonymous OS.

Tor - http://yuxv6qujajqvmypv.onion/downloads/anonguide.pdf
Clearnet - https://anonguide.cyberguerrilla.org/downloads/anonguide.pdf
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Uncracked codes and ciphers

What does /cypher/ think about the famous uncracked codes?

http://en.wikipedia.org/wiki/Category:Uncracked_codes_and_ciphers

For a long time I was obsessed with the Shugborough inscription (because of the holy grail connection), but it is so short that many possible explainations fit, and I seriously doubt anyone alive today could determine the truth. I only mention it here for amusement, as it was one of the first undecoded mesages I came across.

http://en.wikipedia.org/wiki/Shugborough_inscription

My current on-again-off-again obsession is the Dorabella cipher in pic related. Several solutions have been proposed, but they're all shit.

http://en.wikipedia.org/wiki/Dorabella_Cipher

The cipher is particularly interesting to me because Elgar had previously written notes suggesting how it was created.

http://numberworld.blogspot.co.uk/2013/07/the-dorabella-cipher-part-1.html

So, are these all impossible? One-time pads maybe? Or do we just need to find the correct attack?
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GPG for Journalists

Seeing as this is the first post of /cypher/ it seems only fitting to start with an encryption video created by none other than Snowden.