shamir

Documentation

Index

• type Message
  • func Reconstruct(shares []Share) (*Message, error)
• type Share
  • func GenerateShares(m Message, t int, n int) (shares []Share, err error)

Types

type Message

type Message = curve25519.Scalar

Message is the value the dealer

func Reconstruct

func Reconstruct(shares []Share) (*Message, error)

Reconstruct takes in t shares and then does polynomial interpolation to obtain the original message

type Share

type Share struct {
	Index       int
	IndexScalar curve25519.Scalar
	S           curve25519.Scalar
}

Share is composed of values used in Pedersen VSS to reconstruct a secret

func GenerateShares

func GenerateShares(m Message, t int, n int) (shares []Share, err error)

GenerateShares creates shares of t-of-n Shamir secret sharing for some secret m