2 papers
cs.CR2020
A Faster Cryptographer's Conspiracy Santa
Xavier Bultel, Jannik Dreier, Jean-Guillaume Dumas +1
In Conspiracy Santa, a variant of Secret Santa, a group of people offer each other Christmas gifts, where each member of the group receives a gift from the other members of the gro…
cs.CR2016
Physical Zero-Knowledge Proofs for Akari, Takuzu, Kakuro and KenKen
Xavier Bultel, Jannik Dreier, Jean-Guillaume Dumas +1
Akari, Takuzu, Kakuro and KenKen are logic games similar to Sudoku. In Akari, a labyrinth on a grid has to be lit by placing lanterns, respecting various constraints. In Takuzu a g…