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https://github.com/trezor/trezor-firmware.git
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54 lines
1.9 KiB
Python
54 lines
1.9 KiB
Python
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from common import *
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from trezor.crypto import random
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from trezor.crypto.curve import bip340
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class TestCryptoBip340(unittest.TestCase):
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# Test vectors from https://github.com/bitcoin/bips/blob/master/bip-0340/test-vectors.csv
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vectors = [
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(
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"0000000000000000000000000000000000000000000000000000000000000003",
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"F9308A019258C31049344F85F89D5229B531C845836F99B08601F113BCE036F9",
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),
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(
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"B7E151628AED2A6ABF7158809CF4F3C762E7160F38B4DA56A784D9045190CFEF",
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"DFF1D77F2A671C5F36183726DB2341BE58FEAE1DA2DECED843240F7B502BA659",
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),
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(
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"C90FDAA22168C234C4C6628B80DC1CD129024E088A67CC74020BBEA63B14E5C9",
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"DD308AFEC5777E13121FA72B9CC1B7CC0139715309B086C960E18FD969774EB8",
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),
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(
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"0B432B2677937381AEF05BB02A66ECD012773062CF3FA2549E44F58ED2401710",
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"25D1DFF95105F5253C4022F628A996AD3A0D95FBF21D468A1B33F8C160D8F517",
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),
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]
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def test_generate_secret(self):
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for _ in range(100):
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sk = bip340.generate_secret()
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self.assertTrue(len(sk) == 32)
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self.assertTrue(sk != b"\x00" * 32)
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self.assertTrue(
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sk
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< b"\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFF\xFE\xBA\xAE\xDC\xE6\xAF\x48\xA0\x3B\xBF\xD2\x5E\x8C\xD0\x36\x41\x41"
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)
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def test_publickey(self):
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for sk, pk in self.vectors:
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pk_computed = hexlify(bip340.publickey(unhexlify(sk))).decode()
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self.assertEqual(str(pk_computed).upper(), pk)
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def test_sign_verify_random(self):
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for _ in range(100):
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sk = bip340.generate_secret()
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pk = bip340.publickey(sk)
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dig = random.bytes(32)
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sig = bip340.sign(sk, dig)
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self.assertTrue(bip340.verify(pk, sig, dig))
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if __name__ == "__main__":
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unittest.main()
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