| ORYX Stream Cipher Part II | 1,126 | Dec. 12, 2012, 9:01 p.m. |
| ORYX Stream Cipher Part I | 1,126 | Dec. 12, 2012, 8:17 p.m. |
| Brute-Force-Attack on Triple-DES with Reduced Key Space | 1,142 | March 24, 2012, 1:46 a.m. |
| A really long number sequence | 1,187 | March 23, 2012, 11:40 p.m. |
| Enigma Part 1 | 1,190 | April 25, 2011, 12:50 a.m. |
| A modified homophonic cipher with reduced alphabets — Part 2 | 101 | April 18, 2011, 8:13 p.m. |
| A modified homophonic cipher with reduced alphabets — Part 1 | 101 | April 18, 2011, 7:59 p.m. |
| One-Time Pad with Flaws | 101 | April 18, 2011, 7:51 p.m. |
| Cracking SHA1-Hashed Passwords | 1,433 | April 18, 2011, 4:29 p.m. |
| Caesar Encryption | 101 | April 18, 2011, 3:53 p.m. |
| Original Caesar Cipher | 101 | April 18, 2011, 3:07 p.m. |