| 18 Feb 22 |
Symmetric Ciphers |
Symmetry |
50
|
| 18 Feb 22 |
Symmetric Ciphers |
ECB CBC WTF |
55
|
| 18 Feb 22 |
Symmetric Ciphers |
ECB Oracle |
60
|
| 8 Aug 21 |
Crypto on the Web |
JWT Secrets |
25
|
| 8 Aug 21 |
Crypto on the Web |
No Way JOSE |
20
|
| 8 Aug 21 |
Crypto on the Web |
JWT Sessions |
10
|
| 8 Aug 21 |
Crypto on the Web |
Token Appreciation |
5
|
| 8 Aug 21 |
Hash Functions |
Jack's Birthday Confusion |
30
|
| 8 Aug 21 |
Hash Functions |
Jack's Birthday Hash |
20
|
| 10 Aug 20 |
RSA |
Inferius Prime |
30
|
| 10 Aug 20 |
Elliptic Curves |
Efficient Exchange |
50
|
| 9 Aug 20 |
Elliptic Curves |
Curves and Logs |
40
|
| 9 Aug 20 |
Elliptic Curves |
Scalar Multiplication |
35
|
| 9 Aug 20 |
Elliptic Curves |
Point Addition |
30
|
| 9 Aug 20 |
Elliptic Curves |
Point Negation |
10
|
| 9 Aug 20 |
Elliptic Curves |
Background Reading |
5
|
| 8 Aug 20 |
General |
Encoding Challenge |
40
|
| 8 Aug 20 |
General |
Base64 |
10
|
| 8 Aug 20 |
Diffie-Hellman |
Deriving Symmetric Keys |
40
|
| 8 Aug 20 |
Diffie-Hellman |
Computing Shared Secrets |
30
|
| 8 Aug 20 |
Diffie-Hellman |
Computing Public Values |
25
|
| 8 Aug 20 |
Diffie-Hellman |
Generators of Groups |
20
|
| 8 Aug 20 |
Diffie-Hellman |
Working with Fields |
10
|
| 7 Aug 20 |
RSA |
Modulus Inutilis |
50
|
| 7 Aug 20 |
RSA |
Salty |
20
|
| 6 Aug 20 |
RSA |
Manyprime |
40
|
| 6 Aug 20 |
RSA |
Square Eyes |
35
|
| 6 Aug 20 |
RSA |
Monoprime |
30
|
| 6 Aug 20 |
RSA |
RSA Signatures |
25
|
| 6 Aug 20 |
RSA |
RSA Decryption |
20
|
| 3 Aug 20 |
RSA |
Factoring |
15
|
| 3 Aug 20 |
RSA |
Private Keys |
20
|
| 3 Aug 20 |
RSA |
Euler's Totient |
20
|
| 3 Aug 20 |
RSA |
Public Keys |
15
|
| 3 Aug 20 |
RSA |
Modular Exponentiation |
10
|
| 3 Aug 20 |
Symmetric Ciphers |
Passwords as Keys |
50
|
| 3 Aug 20 |
Symmetric Ciphers |
Modes of Operation Starter |
15
|
| 2 Aug 20 |
Symmetric Ciphers |
Bringing It All Together |
50
|
| 2 Aug 20 |
Symmetric Ciphers |
Diffusion through Permutation |
30
|
| 2 Aug 20 |
Symmetric Ciphers |
Confusion through Substitution |
25
|
| 2 Aug 20 |
Symmetric Ciphers |
Round Keys |
20
|
| 2 Aug 20 |
Symmetric Ciphers |
Structure of AES |
15
|
| 2 Aug 20 |
Symmetric Ciphers |
Resisting Bruteforce |
10
|
| 2 Aug 20 |
Symmetric Ciphers |
Keyed Permutations |
5
|
| 2 Aug 20 |
General |
Lemur XOR |
40
|
| 2 Aug 20 |
Mathematics |
Successive Powers |
60
|
| 1 Aug 20 |
Lattices |
What's a Lattice? |
40
|
| 31 Jul 20 |
Mathematics |
Chinese Remainder Theorem |
40
|
| 30 Jul 20 |
Mathematics |
Modular Square Root |
35
|
| 30 Jul 20 |
Mathematics |
Legendre Symbol |
35
|
| 27 Jul 20 |
Lattices |
Size and Basis |
15
|
| 27 Jul 20 |
Lattices |
Vectors |
10
|
| 25 Jul 20 |
Mathematics |
Quadratic Residues |
25
|
| 25 Jul 20 |
General |
Modular Inverting |
25
|
| 25 Jul 20 |
General |
Modular Arithmetic 2 |
20
|
| 25 Jul 20 |
General |
Modular Arithmetic 1 |
20
|
| 25 Jul 20 |
General |
Extended GCD |
20
|
| 25 Jul 20 |
General |
Greatest Common Divisor |
15
|
| 25 Jul 20 |
General |
You either know, XOR you don't |
30
|
| 25 Jul 20 |
General |
Favourite byte |
20
|
| 25 Jul 20 |
General |
XOR Properties |
15
|
| 25 Jul 20 |
General |
XOR Starter |
10
|
| 25 Jul 20 |
General |
Bytes and Big Integers |
10
|
| 25 Jul 20 |
General |
Hex |
5
|
| 25 Jul 20 |
General |
ASCII |
5
|
| 25 Jul 20 |
Introduction |
Network Attacks |
5
|
| 25 Jul 20 |
Introduction |
Great Snakes |
3
|
| 25 Jul 20 |
Introduction |
Finding Flags |
2
|
