Reply To: 9b
The Empty Vault › Forums › Bureau of Security and Signals Intelligence Forum › 9b › Reply To: 9b
12th December 2022 at 12:00 pm #87522
Once you’ve worked out what the length of the starting chunk means for the text, I would suggest encrypting the crib with a transposition cipher.
Then some pattern spotting should lead you towards the solution. I would warn against brute force attempts.