jergen85
Joined:2025-02-10T15:06:01Z
Rank:#4801
Level:1
1365090
0 points to level up
Trophy Case
Submitted Solutions
| 2025-03-17T15:37:11Z | Dancing Queen | 0 | |
| 2025-03-13T18:20:40Z | CTRIME | 0 | |
| 2025-03-13T17:48:59Z | Logon Zero | 0 | |
| 2025-03-04T14:39:37Z | Symmetry | 0 | |
| 2025-03-03T19:31:41Z | Triple DES | 0 | |
| 2025-03-02T14:48:42Z | Lazy CBC | 0 | |
| 2025-02-26T20:40:56Z | ECB Oracle | 0 | |
| 2025-02-26T15:51:25Z | ECB CBC WTF | 0 | |
| 2025-02-25T17:12:15Z | Passwords as Keys | 0 |
Solved Challenges
| 2025-03-17T14:58:03Z | Symmetric Ciphers | Dancing Queen | 120 |
| 2025-03-14T17:46:38Z | Symmetric Ciphers | Stream of Consciousness | 80 |
| 2025-03-13T17:34:33Z | Symmetric Ciphers | Logon Zero | 80 |
| 2025-03-10T15:30:28Z | Symmetric Ciphers | CTRIME | 70 |
| 2025-03-08T12:10:47Z | Symmetric Ciphers | Bean Counter | 60 |
| 2025-03-03T20:58:41Z | Symmetric Ciphers | Symmetry | 50 |
| 2025-03-03T19:09:22Z | Symmetric Ciphers | Triple DES | 60 |
| 2025-03-01T22:40:07Z | Symmetric Ciphers | Lazy CBC | 60 |
| 2025-02-27T20:13:57Z | Symmetric Ciphers | Flipping Cookie | 60 |
| 2025-02-26T20:37:27Z | Symmetric Ciphers | ECB Oracle | 60 |
| 2025-02-25T19:16:37Z | Symmetric Ciphers | ECB CBC WTF | 55 |
| 2025-02-25T15:31:22Z | Symmetric Ciphers | Passwords as Keys | 50 |
| 2025-02-23T11:16:10Z | Symmetric Ciphers | Modes of Operation Starter | 15 |
| 2025-02-18T21:42:54Z | Symmetric Ciphers | Bringing It All Together | 50 |
| 2025-02-18T03:58:20Z | Symmetric Ciphers | Diffusion through Permutation | 30 |
| 2025-02-17T18:20:11Z | Symmetric Ciphers | Confusion through Substitution | 25 |
| 2025-02-16T22:50:06Z | Symmetric Ciphers | Round Keys | 20 |
| 2025-02-16T21:10:50Z | Symmetric Ciphers | Structure of AES | 15 |
| 2025-02-14T00:41:29Z | Symmetric Ciphers | Resisting Bruteforce | 10 |
| 2025-02-14T00:37:24Z | Symmetric Ciphers | Keyed Permutations | 5 |
| 2025-02-14T00:21:44Z | General | Transparency | 50 |
| 2025-02-13T20:29:05Z | General | SSH Keys | 35 |
| 2025-02-13T17:55:58Z | General | CERTainly not | 30 |
| 2025-02-13T16:02:01Z | General | Privacy-Enhanced Mail? | 25 |
| 2025-02-12T18:39:22Z | General | Modular Inverting | 25 |
| 2025-02-12T18:22:04Z | General | Modular Arithmetic 2 | 20 |
| 2025-02-12T17:58:51Z | General | Modular Arithmetic 1 | 20 |
| 2025-02-12T15:22:00Z | General | Extended GCD | 20 |
| 2025-02-11T21:55:16Z | General | Greatest Common Divisor | 15 |
| 2025-02-11T20:06:39Z | General | Lemur XOR | 40 |
| 2025-02-11T18:16:39Z | General | You either know, XOR you don't | 30 |
| 2025-02-11T15:31:51Z | General | Favourite byte | 20 |
| 2025-02-10T20:16:01Z | General | XOR Properties | 15 |
| 2025-02-10T16:21:02Z | General | XOR Starter | 10 |
| 2025-02-10T16:06:27Z | General | Bytes and Big Integers | 10 |
| 2025-02-10T16:01:07Z | General | Base64 | 10 |
| 2025-02-10T15:56:29Z | General | Hex | 5 |
| 2025-02-10T15:53:12Z | General | ASCII | 5 |
| 2025-02-10T15:50:02Z | Introduction | Great Snakes | 3 |
| 2025-02-10T15:13:14Z | Introduction | Finding Flags | 2 |
