def test_bls_core(privkey):
domain = 0
p1 = multiply(G1, privkey)
p2 = multiply(G2, privkey)
msg = str(privkey).encode('utf-8')
msghash = hash_to_G2(msg, domain=domain)
assert normalize(decompress_G1(compress_G1(p1))) == normalize(p1)
assert normalize(decompress_G2(compress_G2(p2))) == normalize(p2)
assert normalize(decompress_G2(compress_G2(msghash))) == normalize(msghash)
sig = sign(msg, privkey, domain=domain)
pub = privtopub(privkey)
assert verify(msg, pub, sig, domain=domain)
def test_decompress_G2_with_no_modular_square_root_found():
with pytest.raises(ValueError, match="Failed to find a modular squareroot"):
decompress_G2(signature_to_G2(b'\x11' * 96))