def test_and_proof_non_interactive_fails_when_wrong_secrets(params, group):
p1, p2, secrets = params
andp = AndProofStmt(p1, p2)
bad_secrets = secrets.copy()
u = list(bad_secrets.keys())
bad_secrets[u[0]] = group.order().random()
message = "whatever"
tr = andp.prove(bad_secrets, message=message)
assert not andp.verify(tr, message=message)
def test_and_proof_simulation_2(group):
n = 3
secret_values = [Bn(i) for i in range(n)]
secrets = [Secret() for _ in range(n)]
generators = make_generators(n, group)
lhs = group.wsum(secret_values, generators)
subproof1 = DLRep(lhs, wsum_secrets(secrets, generators))
subproof2 = DLRep(lhs, wsum_secrets(secrets, generators))
andp = AndProofStmt(subproof1, subproof2)
tr = andp.simulate()
assert andp.verify_simulation_consistency(tr)
assert not andp.verify(tr)
def test_and_proof_non_interactive(params):
p1, p2, secrets = params
p = AndProofStmt(p1, p2)
message = "whatever"
tr = p.prove(secrets, message=message)
assert p.verify(tr, message=message)
