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package nizk
import (
"testing"
. "kesim.org/seal/common"
)
func TestStatement(t *testing.T) {
id := Curve.RandomScalar()
_, c1, p1 := NewBit(id, true)
_, c2, p2 := NewBit(id, false)
if !c1.Verify(id, p1) {
t.Fatal("Could not verify st1 with c1, plus=true case")
}
if !c2.Verify(id, p2) {
t.Fatal("Could not verify st2 with c2, plus=false case")
}
// Use the wrong proof
if c2.Verify(id, p1) {
t.Fatal("Verify with wrong proof should have failed!")
}
// Use wrong id
x := Curve.RandomScalar()
if c1.Verify(x, p1) || c2.Verify(x, p2) {
t.Fatal("Verify with wrong id should have failed!")
}
}
func TestStatementFromScalar(t *testing.T) {
var α, β, id = Curve.RandomScalar(), Curve.RandomScalar(), Curve.RandomScalar()
_, c1, p1 := NewBitFromScalars(id, true, α, β)
_, c2, p2 := NewBitFromScalars(id, false, α, β)
if !c1.Verify(id, p1) {
t.Fatal("Could not verify st1 with c1, plus=true case")
}
if !c2.Verify(id, p2) {
t.Fatal("Could not verify st2 with c2, plus=false case")
}
// Use the wrong proof
if c2.Verify(id, p1) {
t.Fatal("Verify with wrong proof should have failed!")
}
// Use the wrong Id
x := Curve.RandomScalar()
if c1.Verify(x, p1) || c2.Verify(x, p2) {
t.Fatal("Verify with wrong id should have failed!")
}
}
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