The Cipher Challenge Contest
Four degrees of difficulty, from pen & paper to complex mathematical problems
Solved Level 1 challenge Lightweight Introduction to Lattices — Part 1
Solved Level 1 challenge Lightweight Introduction to Lattices — Part 2
Solved Level 3 challenge Handycipher — Part 5
Solved Level 1 challenge Find the right route — Part 3
Solved Level 3 challenge Handycipher — Part 6
Solved Level 1 challenge Find the right route — Part 2
Solved Level 3 challenge The Heavy T52 Sturgeon Challenge — Part 3
Solved Level 1 challenge Assembly Point – Part 1
Four degrees of difficulty, from pen & paper to complex mathematical problems