bd6879ac51
* core/vm, crypto/bn256: switch over to cloudflare library * crypto/bn256: unmarshal constraint + start pure go impl * crypto/bn256: combo cloudflare and google lib * travis: drop 386 test job
74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
// +build amd64,!appengine,!gccgo
|
|
|
|
package bn256
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"crypto/rand"
|
|
)
|
|
|
|
func TestRandomG2Marshal(t *testing.T) {
|
|
for i := 0; i < 10; i++ {
|
|
n, g2, err := RandomG2(rand.Reader)
|
|
if err != nil {
|
|
t.Error(err)
|
|
continue
|
|
}
|
|
t.Logf("%d: %x\n", n, g2.Marshal())
|
|
}
|
|
}
|
|
|
|
func TestPairings(t *testing.T) {
|
|
a1 := new(G1).ScalarBaseMult(bigFromBase10("1"))
|
|
a2 := new(G1).ScalarBaseMult(bigFromBase10("2"))
|
|
a37 := new(G1).ScalarBaseMult(bigFromBase10("37"))
|
|
an1 := new(G1).ScalarBaseMult(bigFromBase10("21888242871839275222246405745257275088548364400416034343698204186575808495616"))
|
|
|
|
b0 := new(G2).ScalarBaseMult(bigFromBase10("0"))
|
|
b1 := new(G2).ScalarBaseMult(bigFromBase10("1"))
|
|
b2 := new(G2).ScalarBaseMult(bigFromBase10("2"))
|
|
b27 := new(G2).ScalarBaseMult(bigFromBase10("27"))
|
|
b999 := new(G2).ScalarBaseMult(bigFromBase10("999"))
|
|
bn1 := new(G2).ScalarBaseMult(bigFromBase10("21888242871839275222246405745257275088548364400416034343698204186575808495616"))
|
|
|
|
p1 := Pair(a1, b1)
|
|
pn1 := Pair(a1, bn1)
|
|
np1 := Pair(an1, b1)
|
|
if pn1.String() != np1.String() {
|
|
t.Error("Pairing mismatch: e(a, -b) != e(-a, b)")
|
|
}
|
|
if !PairingCheck([]*G1{a1, an1}, []*G2{b1, b1}) {
|
|
t.Error("MultiAte check gave false negative!")
|
|
}
|
|
p0 := new(GT).Add(p1, pn1)
|
|
p0_2 := Pair(a1, b0)
|
|
if p0.String() != p0_2.String() {
|
|
t.Error("Pairing mismatch: e(a, b) * e(a, -b) != 1")
|
|
}
|
|
p0_3 := new(GT).ScalarMult(p1, bigFromBase10("21888242871839275222246405745257275088548364400416034343698204186575808495617"))
|
|
if p0.String() != p0_3.String() {
|
|
t.Error("Pairing mismatch: e(a, b) has wrong order")
|
|
}
|
|
p2 := Pair(a2, b1)
|
|
p2_2 := Pair(a1, b2)
|
|
p2_3 := new(GT).ScalarMult(p1, bigFromBase10("2"))
|
|
if p2.String() != p2_2.String() {
|
|
t.Error("Pairing mismatch: e(a, b * 2) != e(a * 2, b)")
|
|
}
|
|
if p2.String() != p2_3.String() {
|
|
t.Error("Pairing mismatch: e(a, b * 2) != e(a, b) ** 2")
|
|
}
|
|
if p2.String() == p1.String() {
|
|
t.Error("Pairing is degenerate!")
|
|
}
|
|
if PairingCheck([]*G1{a1, a1}, []*G2{b1, b1}) {
|
|
t.Error("MultiAte check gave false positive!")
|
|
}
|
|
p999 := Pair(a37, b27)
|
|
p999_2 := Pair(a1, b999)
|
|
if p999.String() != p999_2.String() {
|
|
t.Error("Pairing mismatch: e(a * 37, b * 27) != e(a, b * 999)")
|
|
}
|
|
}
|