pwnh4
Level: 1
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Trophy Case
Solved Challenges
| Hash Functions | Jack's Birthday Confusion | 30 | |
| Hash Functions | Jack's Birthday Hash | 20 | |
| Crypto on the Web | JWT Secrets | 25 | |
| Crypto on the Web | No Way JOSE | 20 | |
| Crypto on the Web | Token Appreciation | 5 | |
| Crypto on the Web | JWT Sessions | 10 | |
| Mathematics | Quadratic Residues | 25 | |
| Symmetric Ciphers | Keyed Permutations | 5 | |
| General | XOR Properties | 15 | |
| Symmetric Ciphers | Passwords as Keys | 50 | |
| Diffie-Hellman | Working with Fields | 10 | |
| RSA | RSA Decryption | 20 | |
| Misc | Gotta Go Fast | 40 | |
| RSA | Modulus Inutilis | 50 | |
| RSA | Square Eyes | 35 | |
| RSA | Salty | 20 | |
| RSA | Monoprime | 30 | |
| Mathematics | Successive Powers | 60 | |
| RSA | Inferius Prime | 30 | |
| RSA | RSA Signatures | 25 | |
| RSA | Factoring | 15 | |
| General | Encoding Challenge | 40 | |
| General | Bytes and Big Integers | 10 | |
| General | CERTainly not | 30 | |
| General | Privacy-Enhanced Mail? | 25 | |
| General | Lemur XOR | 40 | |
| General | You either know, XOR you don't | 30 | |
| RSA | Private Keys | 20 | |
| RSA | Euler's Totient | 20 | |
| RSA | Public Keys | 15 | |
| RSA | Modular Exponentiation | 10 | |
| Symmetric Ciphers | Modes of Operation Starter | 15 | |
| Mathematics | Chinese Remainder Theorem | 40 | |
| General | Modular Inverting | 25 | |
| General | Modular Arithmetic 2 | 20 | |
| General | Modular Arithmetic 1 | 20 | |
| General | Extended GCD | 20 | |
| General | Greatest Common Divisor | 15 | |
| General | Favourite byte | 20 | |
| General | Base64 | 10 | |
| General | XOR Starter | 10 | |
| General | Hex | 5 | |
| General | ASCII | 5 | |
| Introduction | Network Attacks | 5 | |
| Introduction | Great Snakes | 3 | |
| Introduction | Finding Flags | 2 |
