Shamir's Secret Sharing

Based on github.com/codahale/sss

A pure Go implementation of Shamir's Secret Sharing algorithm

Supports from Go 1.14

Usage

go get -u github.com/lafriks/go-shamir

Example

package main

import (
    "fmt"

    "github.com/lafriks/go-shamir"
)

func main() {
    secret := []byte("example")

    // Split secret to 5 shares and require 3 shares to reconstruct secret
    shares, err := shamir.Split(secret, 5, 3)
    if err != nil {
        panic(err)
    }

    // Reconstruct secret from shares
    reconstructed, err := shamir.Combine(shares[0], shares[2], shares[4])
    if err != nil {
        panic(err)
    }

    // secret == reconstructed
}