ispo
Level: 1
3270
0
24
5
0 points to level up
Trophy Case
Submitted Solutions
| Forbidden Fruit | 1 | ||
| Paper Plane | 0 | ||
| The Good, The Pad, The Ugly | 0 | ||
| Pad Thai | 1 | ||
| Oh SNAP | 0 | ||
| Dancing Queen | 0 | ||
| Stream of Consciousness | 0 | ||
| Logon Zero | 0 | ||
| CTRIME | 1 | ||
| ECB Oracle | 0 | ||
| Invariant | 0 | ||
| 2020 (TETCTF) | 0 | ||
| Calm Down (HKCERT CTF) | 0 | ||
| Mixed Up | 0 | ||
| WOTS Up 2 | 1 | ||
| WOTS Up | 1 | ||
| Merkle Trees | 0 | ||
| No Difference | 0 | ||
| Twin Keys | 0 | ||
| PriMeD5 | 0 | ||
| Hash Stuffing | 0 | ||
| MDFlag | 0 | ||
| MD0 | 0 | ||
| Sign in Please (HKCERT CTF) | 0 |
Solved Challenges
| Symmetric Ciphers | Forbidden Fruit | 150 | |
| Symmetric Ciphers | Paper Plane | 120 | |
| Symmetric Ciphers | The Good, The Pad, The Ugly | 100 | |
| Symmetric Ciphers | Pad Thai | 80 | |
| Symmetric Ciphers | Oh SNAP | 120 | |
| Symmetric Ciphers | Dancing Queen | 120 | |
| Symmetric Ciphers | Stream of Consciousness | 80 | |
| Symmetric Ciphers | Logon Zero | 80 | |
| Symmetric Ciphers | CTRIME | 70 | |
| Symmetric Ciphers | Bean Counter | 60 | |
| Symmetric Ciphers | Symmetry | 50 | |
| Symmetric Ciphers | Triple DES | 60 | |
| Symmetric Ciphers | Lazy CBC | 60 | |
| Symmetric Ciphers | Flipping Cookie | 60 | |
| Symmetric Ciphers | ECB Oracle | 60 | |
| Symmetric Ciphers | ECB CBC WTF | 55 | |
| Symmetric Ciphers | Passwords as Keys | 50 | |
| Symmetric Ciphers | Modes of Operation Starter | 15 | |
| Symmetric Ciphers | Bringing It All Together | 50 | |
| Symmetric Ciphers | Diffusion through Permutation | 30 | |
| Symmetric Ciphers | Confusion through Substitution | 25 | |
| Symmetric Ciphers | Round Keys | 20 | |
| Symmetric Ciphers | Structure of AES | 15 | |
| Symmetric Ciphers | Resisting Bruteforce | 10 | |
| Symmetric Ciphers | Keyed Permutations | 5 | |
| Hash Functions | Invariant | 250 | |
| CTF Archive | 2020 (TETCTF) | 0 | |
| CTF Archive | Calm Down (HKCERT CTF) | 0 | |
| Hash Functions | Mixed Up | 120 | |
| Hash Functions | WOTS Up 2 | 90 | |
| Hash Functions | WOTS Up | 75 | |
| Hash Functions | Merkle Trees | 25 | |
| Hash Functions | No Difference | 175 | |
| Hash Functions | Twin Keys | 100 | |
| Hash Functions | PriMeD5 | 100 | |
| Hash Functions | Hash Stuffing | 50 | |
| Hash Functions | Jack's Birthday Confusion | 30 | |
| Hash Functions | MDFlag | 125 | |
| Hash Functions | MD0 | 80 | |
| CTF Archive | Sign in Please (HKCERT CTF) | 0 | |
| Hash Functions | Collider | 50 | |
| Hash Functions | Jack's Birthday Hash | 20 | |
| General | Transparency | 50 | |
| General | SSH Keys | 35 | |
| General | CERTainly not | 30 | |
| General | Privacy-Enhanced Mail? | 25 | |
| General | Modular Arithmetic 2 | 20 | |
| General | Modular Inverting | 25 | |
| General | Modular Arithmetic 1 | 20 | |
| General | Extended GCD | 20 | |
| General | Greatest Common Divisor | 15 | |
| General | Lemur XOR | 40 | |
| General | Encoding Challenge | 40 | |
| General | You either know, XOR you don't | 30 | |
| General | XOR Starter | 10 | |
| General | Favourite byte | 20 | |
| General | XOR Properties | 15 | |
| General | Bytes and Big Integers | 10 | |
| General | Base64 | 10 | |
| General | Hex | 5 | |
| General | ASCII | 5 | |
| Introduction | Network Attacks | 5 | |
| Introduction | Great Snakes | 3 | |
| Introduction | Finding Flags | 2 |
