Reporting on the Zodiac Killer Ciphers

Reporting on the Zodiac Killer Ciphers

The other day, I noticed a rather unusual spike in traffic to this website. After digging around a bit, I determined that the primary reason for the spike was a renewed interest in Corey Starliper’s clearly invalid solution to the Zodiac Killer’s 340...
Cipher Generator Revision History

Cipher Generator Revision History

This post will serve as a living document that tracks the ongoing changes which I make to the Zodiac Killer Cipher Generator. June 6, 2012 Incorporated David Bau’s Math.seedrandom() since, apparently, Math.random() is not seedable by default. I exposed the seed,...
Reporting on the Zodiac Killer Ciphers

New Zodiac Killer Cipher Website

Over the years, Dave Oranchak has done some great research into the Zodiac Killer’s ciphers. He’s created two popular cipher analysis web applications (webtoy and cryptoscope) and collected a wealth of information related to the ciphers of the Zodiac...
Cipher Generator Revision History

Cipher Generator Released

Back in the 2007 time frame, I was writing a cipher-solving program called CipherExplorer. The program works reasonably well. It’s capable of solving the Zodiac Killer’s 408 cipher and other homophonic substitution ciphers comparable to the apparent...
Yet Another Person Cracks the 340

Yet Another Person Cracks the 340

As you may have heard by now, a man from Tewksbury, Massachusetts named Corey Starliper is the latest in a long line of people who claim to have solved the 340. Fortunately, this time, the claim is accompanied by the supposed solution, details regarding the procedure...