A fifth hint for Challenge 10B
The Empty Vault › Forums › Bureau of Security and Signals Intelligence Forum › The official Challenge 10 tips and hints thread › A fifth hint for Challenge 10B
23rd December 2022 at 9:00 am
#87587
Harry
Keymaster
A fifth hint for Challenge 10B
You didn’t think it would just be a standard Cadenus cipher did you? Where would the security be in that? I have never understood why the Cadenus cipher used blocks lengths of 25 anyway.