32 lines
1.5 KiB
32 lines
1.5 KiB
3 weeks ago
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import unittest, zipfile, re
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from tinygrad import Tensor
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from tinygrad.helpers import fetch, tqdm
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SHA3_URL = "https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/sha3/sha-3bytetestvectors.zip"
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SHAKE_URL = "https://csrc.nist.gov/CSRC/media/Projects/Cryptographic-Algorithm-Validation-Program/documents/sha3/shakebytetestvectors.zip"
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class TestExternalKeccak(unittest.TestCase):
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def test_sha3_224(self): self.check_nist_vectors(SHA3_URL, ["SHA3_224LongMsg.rsp", "SHA3_224ShortMsg.rsp"], "sha3_224")
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def test_sha3_256(self): self.check_nist_vectors(SHA3_URL, ["SHA3_256LongMsg.rsp", "SHA3_256ShortMsg.rsp"], "sha3_256")
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def test_shake_128(self): self.check_nist_vectors(SHAKE_URL, ["SHAKE128LongMsg.rsp", "SHAKE128ShortMsg.rsp"], "shake_128")
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def check_nist_vectors(self, url: str, filenames: list[str], preset: str):
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pattern = r"Len\s*=\s*(?P<Len>\d+)\s+Msg\s*=\s*(?P<Msg>[0-9a-fA-F\s]+)\s+(MD|Output)\s*=\s*(?P<Output>[0-9a-fA-F]+)"
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vecs_zip = fetch(url)
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for filename in filenames:
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vecs = zipfile.ZipFile(vecs_zip).open(filename).read().decode()
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vectors = [ (l, bytes.fromhex(match["Msg"].lower()), bytes.fromhex(match["Output"].lower()))
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for match in re.finditer(pattern, vecs) if (l:=int(match["Len"])) < 8192 ]
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self.assertTrue(len(vectors) > 0)
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print("file", filename)
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for data_len, data, output in tqdm(vectors):
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tinyout = bytes(Tensor(data[:data_len//8]).keccak(preset).data())
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self.assertEqual(tinyout, output)
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if __name__ == '__main__':
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unittest.main()
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