C-sigma: Easy-to-use Sigma proofs in C using libsodium

C-sigma: Easy-to-use Sigma proofs in C using libsodium(github.com)

28 points by linkdd 231 days ago | 3 comments

Nice, not sure origin of term Sigma here, it isn't the Hugo Krawcyzk family of SIGMA (SIGn & MAc) protocols.

LeGrosDadai 231 days ago | |

It is because SIGMA protocols diagrams, as used in zero knowledge, kind of look like a capital greek sigma. It is not related to the other sign & MAC protocol.

adastra22 231 days ago | |

It is a letter of the greek alphabet.