1package shamirsecretsharing
 2
 3import (
 4	"crypto/rand"
 5	"math/big"
 6	"testing"
 7
 8	"github.com/stretchr/testify/assert"
 9)
10
11func TestCreate(t *testing.T) {
12	k := 123456789
13	p, err := rand.Prime(rand.Reader, bits/2)
14	assert.Nil(t, err)
15
16	nNeededSecrets := big.NewInt(int64(3))
17	nShares := big.NewInt(int64(6))
18	shares, err := Create(
19		nNeededSecrets,
20		nShares,
21		p,
22		big.NewInt(int64(k)))
23	assert.Nil(t, err)
24
25	//generate sharesToUse
26	var sharesToUse [][]*big.Int
27	sharesToUse = append(sharesToUse, shares[2])
28	sharesToUse = append(sharesToUse, shares[1])
29	sharesToUse = append(sharesToUse, shares[0])
30	secr := LagrangeInterpolation(sharesToUse, p)
31
32	// fmt.Print("original secret: ")
33	// fmt.Println(k)
34	// fmt.Print("p: ")
35	// fmt.Println(p)
36	// fmt.Print("shares: ")
37	// fmt.Println(shares)
38	// fmt.Print("secret result: ")
39	// fmt.Println(secr)
40	if int64(k) != secr.Int64() {
41		t.Errorf("reconstructed secret not correspond to original secret")
42	}
43}