The Cipher Challenge Contest
Four degrees of difficulty, from pen & paper to complex mathematical problems
Solved Level 2 challenge The T52 Sturgeon Challenge — Part 6
Solved Level 2 challenge The T52 Sturgeon Challenge — Part 10
Solved Level 2 challenge The T52 Sturgeon Challenge — Part 7
Solved Level 2 challenge The T52 Sturgeon Challenge — Part 5
Solved Level 2 challenge Merkle-Hellman Knapsack Challenge — Part 2
Solved Level 2 challenge The T52 Sturgeon Challenge — Part 4
Solved Level 2 challenge The T52 Sturgeon Challenge — Part 3
Solved Level 2 challenge Lattice Part 1
Four degrees of difficulty, from pen & paper to complex mathematical problems