Welcome Guest [Log In] [Register]
Topics started by Donald
Title Forum Replies Views Topic Info
CipherSheet Beta Testing
I need some help beta testing a new prog
 Community 8 277
Aug 10 2008, 01:44 PM
Last Post By: Donald
The "spread" Cipher
a cipher I'm playing with
 General 9 421
Apr 14 2007, 08:51 AM
Last Post By: insecure
Rubiks Code Challenge
Can we break the cube?
 Challenges 2 236
Apr 21 2006, 03:15 AM
Last Post By: Donald
Rubiks Code
Inspired by Insecures Diego
 General 6 237
Apr 20 2006, 12:33 PM
Last Post By: Donald
Bruce Schneier Real Life Crypto
murder mystery or hoax?
 Challenges 0 194
Feb 15 2006, 04:51 PM
Last Post By: Donald
Mixed Alphabets
how much complication is worth it?
 General 13 285
Feb 9 2006, 12:40 AM
Last Post By: insecure
Aca Member!
Finally joined, just got my package
 Community 8 543
Jun 23 2006, 06:35 PM
Last Post By: oblivion
Cracking A Playfair
a walkthrough of rot13's challenge
 General 5 1,062
Jan 8 2006, 07:18 AM
Last Post By: Donald
Archive Function
does it work
 Community 11 450
Dec 15 2005, 01:22 PM
Last Post By: rot13
Impractical-1
A known Plaintext Challenge
 Challenges 2 378
Nov 22 2005, 09:29 PM
Last Post By: Donald
Six Year Old Cryptographer
My son solves his first monosub!
 Community 10 322
Nov 11 2005, 09:33 PM
Last Post By: Revelation
Shifted Double Playfair
Another nasty pen and paper cipher
 General 0 189
Nov 10 2005, 02:25 PM
Last Post By: Donald
The Calculator Cipher
A new cipher for you to destroy!
 General 9 274
Nov 1 2005, 07:47 PM
Last Post By: rot13
Davinci Code Plagerisim
laughing all the way to the bank
 Off-topic 1 495
Oct 30 2005, 09:17 PM
Last Post By: cows
Two Two Time Pads To Play With
Challenges 2 236
Oct 25 2005, 03:44 PM
Last Post By: Donald
The Proper Care And Feeding Of Cribs
Crib Patterns
 General 0 263
Oct 17 2005, 06:49 AM
Last Post By: Donald
The Journal
  • Pages:
  • 1
  • …
  • 4
A multi-level Challenge
 Challenges 51 953
Oct 20 2005, 11:55 AM
Last Post By: Donald
Pattern Word Dictionary
  • Pages:
  • 1
  • 2
Available for download
 General 15 938
Nov 8 2005, 03:37 PM
Last Post By: cows
Vigenere Without Word Divisions
  • Pages:
  • 1
  • 2
A new and more difficult challenge!
 Challenges 24 604
Oct 4 2005, 06:20 PM
Last Post By: insecure
Shifting Alphabets
  • Pages:
  • 1
  • 2
How can I PROVE this rule?
 General 21 418
Oct 2 2005, 11:48 PM
Last Post By: PulsarSL