BREAKING NEWS Last weekend, the 340 was solved and submitted to the FBI. … Wow, just wow. I truly believed it couldn’t be solved due to some convo…
. If I was Zodiac, I would make one symbol polyalphabetic and use it to disrupt the homophonic cycles. I’ve ran a solver that picked 3 out of the to…
There are a number of military bases in the Bay Aray, so it’s hard to say. A lot of them have closed now. There used to be a secret Naval Communicatio…
Yeah, it seems we have a pretty international crowd here. I’m bilingual and a half, based in US at the moment.
Yeah, I wish they would publish more unsolved codes for the world to work on. They tried to "crowd-source" for a solution to the Ricky McCo…
(Regarding the other entries on the FBI’s top 10 unsolved codes list): "All of our top 10 unsolved codes are either active FBI investigations or…
Message to the Zodiac, I found this cipher on or The funny thing is, it spells out a Russian swear word in the last line. Not in it’s neutral fo…
What the "letters" in the cipher look like have absolutely no difference to solving it. All we need to know is which symbols in the cipher a…
Personally, I think 7-grams is about as high as you want to go. Yeah, I know that infamous quote: "640 Kb of memory is ought to be enough for any…
I tried to encourage him to add the 340 to his list of projects but he’s reluctant because he doesn’t know the encipherment scheme. I think that make…
I’m not getting a good solution either. There are a lot high-scoring candidates, but none of them make any sense, and they all differ from one another…
Here you go daikon, the original message is 398 letters. Here’s what I got so far: DENNISFONGALSOKNOWNATHRESHOLDOFPAINISANAMERICANENTREPENEURANDRETIR…
A cool thing today was being in the same panel with Dan Olson from the FBI. He gave an interesting talk about the history of the FBI’s codebreaking. …
Awesome! Looking at the slides, you seem to have covered pretty much all of the interesting observations we’ve discussed here. Did you get any feedbac…
The full plaintext length for daikon6 is 508. To encode such ciphers, I just take the plaintext, make it all uppercase, then find the top N bigrams,…