python-sdk/tests/test_crypto_bls.py at 6bf5c793ff0ead9cdd52120da2f9347426fe76c4 · pactus-project/python-sdk · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
import unittest

from pactus.crypto.bls import PrivateKey as BLSPrivateKey
from pactus.crypto.bls import PublicKey as BLSPublicKey
from pactus.crypto.bls import Signature as BLSSignature
from pactus.crypto import Address


class TestBLSCrypto(unittest.TestCase):
    def test_encoding(self):
        prv_data = "000102030405060708090a0b0c0d0e0f101112131415161718191a1b1c1d1e1f"
        pub_data = "a7290fc800d2d14f2dc5e5cb416bebf3267dfed1c6c3a79c6edc4ebd1e657d956daa06a2fcaafd42c94b65b32d4d43ea1368f861006829c475b7d54763a502dfd717e9d51c5cc7deae2981e56090a821c9c5bcafc129b8599203ab99031f4ce7"
        val_addr_data = "01c40b914373d4fc9c1e4611ad0acd5f23abf58a0d"
        acc_addr_data = "02c40b914373d4fc9c1e4611ad0acd5f23abf58a0d"

        prv_str = "SECRET1PQQQSYQCYQ5RQWZQFPG9SCRGWPUGPZYSNZS23V9CCRYDPK8QARC0SEZYD4L"
        pub_str = "public1p5u5sljqq6tg57tw9uh95z6lt7vn8mlk3cmp608rwm38t68n90k2km2sx5t724l2ze99ktvedf4p75ymglpssq6pfc36m0428vwjs9h7hzl5a28zucl02u2vpu4sfp2ppe8zmet7p9xu9nysr4wvsx86vuujrva2z"
        val_addr_str = "pc1pcs9ezsmn6n7fc8jxzxks4n2lyw4ltzsdc9v8qn"
        acc_addr_str = "pc1zcs9ezsmn6n7fc8jxzxks4n2lyw4ltzsd9wu6hw"

        prv = BLSPrivateKey.from_string(prv_str)
        pub = BLSPublicKey.from_string(pub_str)
        val_addr = Address.from_string(val_addr_str)
        acc_addr = Address.from_string(acc_addr_str)

        self.assertEqual(prv_data, prv.raw_bytes().hex())
        self.assertEqual(pub_data, pub.raw_bytes().hex())
        self.assertEqual(val_addr_data, val_addr.raw_bytes().hex())
        self.assertEqual(acc_addr_data, acc_addr.raw_bytes().hex())

        msg = b"pactus"
        sig = BLSSignature.from_string(
            "8bdda74336efdf43b428a3811d3d6867a19e20889c91261b02a6b950b130f5bb22621394667c27660bfed2a8719d9c52"
        )

        self.assertTrue(pub.verify(msg, sig))
        self.assertEqual(sig.raw_bytes(), prv.sign(msg).raw_bytes())
        self.assertEqual(pub.raw_bytes(), prv.public_key().raw_bytes())
        self.assertEqual(val_addr.raw_bytes(), pub.validator_address().raw_bytes())
        self.assertEqual(acc_addr.raw_bytes(), pub.account_address().raw_bytes())

    def test_sign_and_verify(self):
        prv1 = BLSPrivateKey.random()
        prv2 = BLSPrivateKey.random()
        pub1 = prv1.public_key()
        pub2 = prv2.public_key()

        msg = b"pactus"
        sig1 = prv1.sign(msg)
        sig2 = prv2.sign(msg)

        self.assertTrue(pub1.verify(msg, sig1))
        self.assertTrue(pub2.verify(msg, sig2))
        self.assertFalse(pub1.verify(msg, sig2))
        self.assertFalse(pub2.verify(msg, sig1))

        # Verify a signature for a different message is rejected
        different_msg = b"different"
        sig3 = prv1.sign(different_msg)
        self.assertFalse(pub1.verify(msg, sig3))

    def test_multiple_signatures(self):
        # Test that multiple signatures for the same message and key are deterministic
        prv = BLSPrivateKey.random()
        pub = prv.public_key()

        msg = b"pactus"
        sig1 = prv.sign(msg)
        sig2 = prv.sign(msg)

        # Both signatures should verify
        self.assertTrue(pub.verify(msg, sig1))
        self.assertTrue(pub.verify(msg, sig2))

        self.assertEqual(sig1.raw_bytes(), sig2.raw_bytes())

    def test_key_gen(self):
        tests = [
            {"ikm": "", "sk": "Err"},
            {
                "ikm": "00000000000000000000000000000000000000000000000000000000000000",
                "sk": "Err",
            },
            {
                "ikm": "0000000000000000000000000000000000000000000000000000000000000000",
                "sk": "4d129a19df86a0f5345bad4cc6f249ec2a819ccc3386895beb4f7d98b3db6235",
            },
            {
                "ikm": "2b1eb88002e83a622792d0b96d4f0695e328f49fdd32480ec0cf39c2c76463af",
                "sk": "0000f678e80740072a4a7fe8c7344db88a00ccc7db36aa51fa51f9c68e561584",
            },
            # Test vectors from EIP-2333
            {
                "ikm": "c55257c360c07c72029aebc1b53c05ed0362ada38ead3e3e9efa3708e5349553"
                "1f09a6987599d18264c1e1c92f2cf141630c7a3c4ab7c81b2f001698e7463b04",
                "sk": "0d7359d57963ab8fbbde1852dcf553fedbc31f464d80ee7d40ae683122b45070",
            },
            {
                "ikm": "3141592653589793238462643383279502884197169399375105820974944592",
                "sk": "41c9e07822b092a93fd6797396338c3ada4170cc81829fdfce6b5d34bd5e7ec7",
            },
            {
                "ikm": "0099FF991111002299DD7744EE3355BBDD8844115566CC55663355668888CC00",
                "sk": "3cfa341ab3910a7d00d933d8f7c4fe87c91798a0397421d6b19fd5b815132e80",
            },
            {
                "ikm": "d4e56740f876aef8c010b86a40d5f56745a118d0906a34e69aec8c0db1cb8fa3",
                "sk": "2a0e28ffa5fbbe2f8e7aad4ed94f745d6bf755c51182e119bb1694fe61d3afca",
            },
        ]

        for i, test in enumerate(tests):
            ikm = bytes.fromhex(test["ikm"])
            try:
                sk = BLSPrivateKey.key_gen(ikm)
                if test["sk"] == "Err":
                    self.fail(f"Test '{i}' failed. Expected an error, but got none.")
                else:
                    expected_sk = bytes.fromhex(test["sk"])
                    self.assertEqual(
                        sk.raw_bytes(),
                        expected_sk,
                        f"Test '{i}' failed. Expected '{expected_sk}', but got '{sk.raw_bytes()}'.",
                    )
            except Exception as e:
                if test["sk"] != "Err":
                    self.fail(f"Test '{i}' failed. Unexpected error: {e}")

    def test_aggregate_sig(self):
        sig1 = BLSSignature.from_string(
            "923d67a8624cbb7972b29328e15ec76cc846076ccf00a9e94d991c677846f334ae4ba4551396fbcd6d1cab7593baf3b7"
        )
        sig2 = BLSSignature.from_string(
            "ab025936daaed80ca2f85a418c8a47c3d9f4137d7b7651ca52646260d2018e55628bba118d4993a3aa75de268d55e72b"
        )

        agg = BLSSignature.aggregate([sig1, sig2])
        self.assertEqual(
            agg.string(),
            "ad747172697127cb08dda29a386e106eb24ab0edfbc044014c3bd7a5f583cc38b3a223ff2c1df9c0b4df110630e6946b",
        )

    def test_aggregate_pub(self):
        pub1 = BLSPublicKey.from_string(
            "public1p4u8hfytl2pj6l9rj0t54gxcdmna4hq52ncqkkqjf3arha5mlk3x4mzpyjkhmdl20jae7f65aamjrvqcvf4sudcapz52ctcwc8r9wz3z2gwxs38880cgvfy49ta5ssyjut05myd4zgmjqstggmetyuyg7v5jhx47a"
        )
        pub2 = BLSPublicKey.from_string(
            "public1pkms34vh00p0jwpdrv6hpqzsx3u26v547948h38wzpp0vc7j408sdy5cql5w5s4rpz60jnzm8rqw4crcw00lgrjeqydpagwstfgdfd79p9yr6rlrr2edtjaqp0shreqxmx0sk4gwlz336hyvnzh7lquxgwcw5nynk"
        )

        agg = BLSPublicKey.aggregate([pub1, pub2])
        self.assertEqual(
            agg.string(),
            "public1pk5pfgdfe9l6q8mc03wfksx2l4r0h3hrx309sjcyuaredzh5krsfh8a86fuk0kcv2nslcduwz3w0zyqlvv2d42ne04c87hha5dw7dc9r2au5l7vhrruud7wf9u5k4fzg5rma6n940uqgfpjph8d9yg20dzswk7wxj",
        )


if __name__ == "__main__":
    unittest.main()