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package nizk
import (
"testing"
. "kesim.org/seal/common"
)
func TestStage1(t *testing.T) {
id := Curve.RandomScalar()
b1 := NewBit(id, true)
b2 := NewBit(id, false)
bc1, _ := b1.Commit()
bc2, _ := b2.Commit()
st1 := b1.Stage1()
st2 := b2.Stage1()
c1, pr1 := st1.Commit()
c2, pr2 := st2.Commit()
if !c1.Verify(bc1, pr1) {
t.Fatal("Could not verify st1 with c1 and pr1, plus=true case")
}
if !c2.Verify(bc2, pr2) {
t.Fatal("Could not verify st2 with c2 and pr2, plus=false case")
}
// Wrong proof test
if c1.Verify(bc1, pr2) {
t.Fatal("Shouldn't be able to verify c1 with pr2")
}
}
func TestStage1FromScalars(t *testing.T) {
var id, x, y, r, α, β *Scalar
for _, s := range []**Scalar{&id, &x, &y, &r, &α, &β} {
*s = Curve.RandomScalar()
}
b1 := NewBitFromScalars(id, true, α, β)
b2 := NewBitFromScalars(id, false, α, β)
st1 := b1.Stage1FromScalars(x, y, r)
st2 := b2.Stage1FromScalars(x, y, r)
bc1, _ := b1.Commit()
bc2, _ := b2.Commit()
c1, pr1 := st1.Commit()
c2, pr2 := st2.Commit()
if !c1.Verify(bc1, pr1) {
t.Fatal("Could not verify st1 with c1 and pr1, plus=true case")
}
if !c2.Verify(bc2, pr2) {
t.Fatal("Could not verify st2 with c2 and pr2, plus=false case")
}
// Wrong proof test
if c1.Verify(bc2, pr2) {
t.Fatal("Shouldn't be able to verify c1 with pr2")
}
}
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