brainwagon

Okay, insomnia got me, so I went ahead and implemented it in Python. It appears to work reasonably well, at least it successfully deciphers their test message. You can specify the key by specifying the -c and -p options, which are the settings for the cipher and plain wheels. You should pass a permutation of [...]

Stumbling back through articles in Slashdot, I found a pretty nifty article on one of my favorite subjects: historical cryptography. The story goes that back in 1918, a cipher system/machine was invented by John F. Byrne. Rumor says that it was very strong, and yet could be implemented using a mechanism that would fit in [...]