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package commit
import (
"testing"
. "kesim.org/seal/nizk"
)
func TestStatement(t *testing.T) {
id := Curve.RandomScalar()
Id := G.Exp(id)
st1, st2 := NewStatement(true), NewStatement(false)
c1, c2 := st1.Commit(Id), st2.Commit(Id)
if !c1.Verify() {
t.Fatal("Could not verify st1 with c1, plus=true case")
}
if !c2.Verify() {
t.Fatal("Could not verify st2 with c2, plus=false case")
}
// Use the wrong proof
c2.Proof = c1.Proof
if c2.Verify() {
t.Fatal("Verify with wrong proof should have failed!")
}
}
func TestStatementFromScalar(t *testing.T) {
var α, β, id = Curve.RandomScalar(), Curve.RandomScalar(), Curve.RandomScalar()
Id := G.Exp(id)
st1, st2 := NewStatementFromScalars(true, α, β), NewStatementFromScalars(false, α, β)
c1, c2 := st1.Commit(Id), st2.Commit(Id)
if !c1.Verify() {
t.Fatal("Could not verify st1 with c1, plus=true case")
}
if !c2.Verify() {
t.Fatal("Could not verify st2 with c2, plus=false case")
}
// Use the wrong proof
c2.Proof = c1.Proof
if c2.Verify() {
t.Fatal("Verify with wrong proof should have failed!")
}
}
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