49 lines
1.6 KiB
Python
49 lines
1.6 KiB
Python
# vim: set fileencoding=utf-8
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import unittest
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from bemani.common import CardCipher
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class TestCardCipher(unittest.TestCase):
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def test_internal_cipher(self) -> None:
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test_ciphers = [
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(
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[0x68, 0xFC, 0xA5, 0x27, 0x00, 0x01, 0x04, 0xE0],
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[0xC7, 0xD0, 0xB3, 0x85, 0xAD, 0x1F, 0xD9, 0x49],
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),
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(
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[0x2C, 0x10, 0xA6, 0x27, 0x00, 0x01, 0x04, 0xE0],
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[0x33, 0xC6, 0xE6, 0x2E, 0x6E, 0x33, 0x38, 0x74],
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),
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]
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for pair in test_ciphers:
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inp = bytes(pair[0])
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out = bytes(pair[1])
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encoded = CardCipher._encode(inp)
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self.assertEqual(
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encoded, out, f"Card encode {encoded!r} doesn't match expected {out!r}"
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)
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decoded = CardCipher._decode(out)
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self.assertEqual(
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decoded, inp, f"Card decode {decoded!r} doesn't match expected {inp!r}"
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)
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def test_external_cipher(self) -> None:
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test_cards = [
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("S6E523E30ZK7ML1P", "E004010027A5FC68"),
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("78B592HZSM9E6712", "E004010027A6102C"),
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]
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for card in test_cards:
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back = card[0]
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db = card[1]
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decoded = CardCipher.decode(back)
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self.assertEqual(
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decoded, db, f"Card DB {decoded} doesn't match expected {db}"
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)
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encoded = CardCipher.encode(db)
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self.assertEqual(
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encoded, back, f"Card back {encoded} doesn't match expected {back}"
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)
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