Bump Milagro BLS to v1.3.0

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "milagro-bls-binding"
-version = "1.4.0"
+version = "1.5.0"
 edition = "2018"
 authors = ["[email protected]"]
 
@@ -23,4 +23,4 @@ crate-type = ["cdylib"]
 
 [dependencies]
 pyo3 = { version = "0.10.1", features = ["extension-module"] }
-milagro_bls = {git = "https://github.com/sigp/milagro_bls", tag= "v1.2.0" }
+milagro_bls = {git = "https://github.com/sigp/milagro_bls", tag= "v1.3.0" }

test.py

@@ -59,14 +59,6 @@ def test_sign_verify(privkey_int):
     assert bls.Verify(pub, msg, sig)
 
 
-def test_sign_verify_zero():
-    privkey = to_bytes(0)
-    msg = "foooooo".encode('utf-8')
-    pub = bls.SkToPk(privkey)
-    sig = bls.Sign(privkey, msg)
-    assert not bls.Verify(pub, msg, sig)
-
-
 @pytest.mark.parametrize(
     'signature_points,result_point',
     [
@@ -94,6 +86,11 @@ def test_fast_aggregate_verify(SKs, message):
 
 
 def test_weird_cases():
-    bad_signature = b'\x00' * 96
-    assert not bls.AggregateVerify([], [], bad_signature)
-    assert bls.Aggregate([]) == b'\xc0' + b'\x00' * 95
+    Z1_PUBKEY = b'\xc0' + b'\x00' * 47
+    Z2_SIGNATURE = b'\xc0' + b'\x00' * 95
+    assert not bls.AggregateVerify([], [], Z2_SIGNATURE)
+    assert bls.Aggregate([]) == Z2_SIGNATURE
+    with pytest.raises(ValueError):
+        bls.Sign(to_bytes(0), b'abcd')
+    assert not bls.Verify(Z1_PUBKEY, b'abcd', Z2_SIGNATURE)
+    assert not bls.FastAggregateVerify([Z1_PUBKEY], b'abcd', Z2_SIGNATURE)