General | Encoding Challenge | 40 | |
Hash Functions | Invariant | 250 | |
Hash Functions | Mixed Up | 120 | |
Hash Functions | MD0 | 80 | |
Hash Functions | No Difference | 175 | |
Hash Functions | Twin Keys | 100 | |
Hash Functions | PriMeD5 | 100 | |
Hash Functions | Hash Stuffing | 50 | |
Hash Functions | Collider | 50 | |
Mathematics | No Way Back Home | 100 | |
Elliptic Curves | No Random, No Bias | 120 | |
Elliptic Curves | Edwards Goes Degenerate | 100 | |
Elliptic Curves | Digestive | 60 | |
Elliptic Curves | ProSign 3 | 100 | |
Elliptic Curves | Micro Transmissions | 120 | |
Elliptic Curves | Moving Problems | 150 | |
Elliptic Curves | Elliptic Nodes | 150 | |
Elliptic Curves | Curveball | 100 | |
Symmetric Ciphers | Dancing Queen | 120 | |
Mathematics | Adrien's Signs | 80 | |
Mathematics | Chinese Remainder Theorem | 40 | |
RSA | Vote for Pedro | 150 | |
RSA | Signing Server | 60 | |
RSA | Null or Never | 100 | |
RSA | Bespoke Padding | 100 | |
RSA | Ron was Wrong, Whit is Right | 90 | |
RSA | Marin's Secrets | 50 | |
RSA | Infinite Descent | 50 | |
RSA | Everything is Still Big | 100 | |
RSA | Crossed Wires | 100 | |
RSA | Everything is Big | 70 | |
RSA | Manyprime | 40 | |
RSA | Square Eyes | 35 | |
RSA | Inferius Prime | 30 | |
RSA | Endless Emails | 150 | |
RSA | Factoring | 15 | |
RSA | RSA Decryption | 20 | |
RSA | Private Keys | 20 | |
RSA | Euler's Totient | 20 | |
RSA | Public Keys | 15 | |
RSA | Modular Exponentiation | 10 | |
Mathematics | Modular Square Root | 35 | |
Mathematics | Legendre Symbol | 35 | |
Mathematics | Quadratic Residues | 25 | |
General | Bytes and Big Integers | 10 | |
General | Base64 | 10 | |
Symmetric Ciphers | Keyed Permutations | 5 | |
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 | XOR Properties | 15 | |
General | XOR Starter | 10 | |
General | Hex | 5 | |
General | ASCII | 5 | |
Introduction | Great Snakes | 3 | |
Introduction | Finding Flags | 2 |
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