James Stanley

Posts tagged 'cryptography'

Tagged: all | bitcoin | 3dprinting | smsprivacy | electronics | puzzle | pikon | tor | chess | cryptography | ipfs | science | steganography | lawnmower | ricochet

The Wheatstone Cryptograph »

Fri 15 February 2019

A few weeks ago I came up with an idea for a simple encryption device, then found that it had already been invented by Sir Charles Wheatstone around the 1860s. I ended up designing and 3d printing a replica of Wheatstone's cryptograph. Read more »

A visual demonstration of the perils of key reuse in a one-time pad »

Sat 17 February 2018

I was playing with applying one-time pad encryption to images recently, and stumbled across some interesting visualisations that I want to share. Read more »

Hardbin: The World's Most Secure Encrypted Pastebin »

Fri 19 May 2017

Over the past week I've been working on hardbin. Hardbin is an encrypted pastebin, with the decryption key passed in the URL fragment, and the code and data served securely with IPFS. (IPFS is a distributed content-addressable storage system that is web-compatible; it's basically bittorrent for the web). Read more »

Encrypted email is still a pain in 2017 »

Mon 13 February 2017

Today I sent an email to somebody who specified that he "prefers GPG mail". I didn't have any GPG set up, so I just sent a normal email, which worked perfectly well. But it made me look in to GPG, and this is what I learnt... Read more »


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