trezor-firmware/core/tests/test_trezor.crypto.hashlib.blake256.py

from common import *  # isort:skip

from trezor.crypto import hashlib


class TestCryptoBlake256(unittest.TestCase):

    # vectors from https://raw.githubusercontent.com/monero-project/monero/master/tests/hash/tests-extra-blake.txt

    vectors = [
        ("", "716f6e863f744b9ac22c97ec7b76ea5f5908bc5b2f67c61510bfc4751384ea7a"),
        ("cc", "e104256a2bc501f459d03fac96b9014f593e22d30f4de525fa680c3aa189eb4f"),
        ("41fb", "8f341148be7e354fdf38b693d8c6b4e0bd57301a734f6fd35cd85b8491c3ddcd"),
        ("1f877c", "bc334d1069099f10c601883ac6f3e7e9787c6aa53171f76a21923cc5ad3ab937"),
        (
            "c1ecfdfc",
            "b672a16f53982bab1e77685b71c0a5f6703ffd46a1c834be69f614bd128d658e",
        ),
        (
            "21f134ac57",
            "d9134b2899057a7d8d320cc99e3e116982bc99d3c69d260a7f1ed3da8be68d99",
        ),
        (
            "c6f50bb74e29",
            "637923bd29a35aa3ecbbd2a50549fc32c14cf0fdcaf41c3194dd7414fd224815",
        ),
        (
            "119713cc83eeef",
            "70c092fd5c8c21e9ef4bbc82a5c7819e262a530a748caf285ff0cba891954f1e",
        ),
        (
            "4a4f202484512526",
            "fdf092993edbb7a0dc7ca67f04051bbd14481639da0808947aff8bfab5abed4b",
        ),
        (
            "1f66ab4185ed9b6375",
            "6f6fc234bf35beae1a366c44c520c59ad5aa70351b5f5085e21e1fe2bfcee709",
        ),
        (
            "eed7422227613b6f53c9",
            "4fdaf89e2a0e78c000061b59455e0ea93a4445b440e7562c8f0cfa165c93de2e",
        ),
        (
            "eaeed5cdffd89dece455f1",
            "d6b780eee9c811f664393dc2c58b5a68c92b3c9fe9ceb70371d33ece63b5787e",
        ),
        (
            "5be43c90f22902e4fe8ed2d3",
            "d0015071d3e7ed048c764850d76406eceae52b8e2e6e5a2c3aa92ae880485b34",
        ),
        (
            "a746273228122f381c3b46e4f1",
            "9b0207902f9932f7a85c24722e93e31f6ed2c75c406509aa0f2f6d1cab046ce4",
        ),
        (
            "3c5871cd619c69a63b540eb5a625",
            "258020d5b04a814f2b72c1c661e1f5a5c395d9799e5eee8b8519cf7300e90cb1",
        ),
        (
            "fa22874bcc068879e8ef11a69f0722",
            "4adae3b55baa907fefc253365fdd99d8398befd0551ed6bf9a2a2784d3c304d1",
        ),
        (
            "52a608ab21ccdd8a4457a57ede782176",
            "6dd10d772f8d5b4a96c3c5d30878cd9a1073fa835bfe6d2b924fa64a1fab1711",
        ),
        (
            "82e192e4043ddcd12ecf52969d0f807eed",
            "0b8741ddf2259d3af2901eb1ae354f22836442c965556f5c1eb89501191cb46a",
        ),
        (
            "75683dcb556140c522543bb6e9098b21a21e",
            "f48a754ca8193a82643150ab94038b5dd170b4ebd1e0751b78cfb0a98fa5076a",
        ),
        (
            "06e4efe45035e61faaf4287b4d8d1f12ca97e5",
            "5698409ab856b74d9fa5e9b259dfa46001f89041752da424e56e491577b88c86",
        ),
    ]

    def test_digest(self):
        for b, d in self.vectors:
            self.assertEqual(hashlib.blake256(unhexlify(b)).digest(), unhexlify(d))

    def test_update(self):

        for b, d in self.vectors:
            x = hashlib.blake256()
            x.update(unhexlify(b))
            self.assertEqual(x.digest(), unhexlify(d))

    def test_digest_multi(self):
        x = hashlib.blake256()
        d0 = x.digest()
        d1 = x.digest()
        d2 = x.digest()
        self.assertEqual(d0, d1)
        self.assertEqual(d0, d2)


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