Merge pysim-otaman-server into otaman (monorepo, v1.7.0)
- Move PWA into frontend/; server package at pysim_otaman_server/ - Server now serves the PWA (same origin -> no CORS/PNA): static file handler + --web-dir flag + injects window.PYSIM_EMBEDDED marker into index.html - Frontend defaults to relative API base when embedded (pysimBase = '') - Version 1.7.0 aligned: server.py VERSION, pyproject.toml, PWA header - SW cache bump otaman-v7 -> otaman-v8 - Docs: combined README + docs/api.md endpoint reference; update links - Fix stale package.json repository URL
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#!/usr/bin/env python3
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"""Unit tests for the OTA helper functions in pysim_otaman_server.server.
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Reference vectors are key-free: synthetic dummy keys plus the already-public
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sysmocom sample-key vectors that ship in pySim's own tests/unittests/test_ota.py.
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No live/sample card keys and no ICCIDs appear here.
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"""
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import sys
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import unittest
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from pathlib import Path
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from unittest import mock
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# pySim checkout is a sibling of this repo; put it on sys.path so the server
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# module (which imports pySim at module level) can be exercised against it.
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PROJECTS = Path(__file__).resolve().parents[2]
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PY_SIM = PROJECTS / 'pysim'
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if str(PY_SIM) not in sys.path:
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sys.path.insert(0, str(PY_SIM))
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from pysim_otaman_server.server import (
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_build_sms_tpdu,
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_decode_por,
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_ota_reference,
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_spi_from_bytes,
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)
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# Synthetic dummy key material (no real card keys).
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K = '00112233445566778899AABBCCDDEEFF'
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# Public sysmocom sample keys from pySim tests/unittests/test_ota.py.
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KIC3 = 'C21DD66ACAC13CB3BC8B331B24AFB57B'
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KID3 = '12110C78E678C25408233076AA033615'
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# Public synthetic AES keys from pySim tests/unittests/test_ota.py.
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KIC_AES = '200102030405060708090a0b0c0d0e0f'
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KID_AES = '201102030405060708090a0b0c0d0e0f'
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APDU = '00a40000023f00'
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# (spi1, spi2) -> expected secured packet, generated with _ota_reference
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# against pySim's OtaDialectSms.encode_cmd and cross-checked with the JS genSp().
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REFERENCE_VECTORS = {
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('06', '09'):
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'00201506091515b00000c08f58c38860acb3a362fffe670ad13759a2a6b4c1a91116',
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('16', '01'):
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'00201516011515b00000e42573469e68a8462a57a505b0e2b1c09c1928c7a182311f',
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('02', '09'):
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'001d1502091515b0000000000000010085a8ca1a9828b0bb00a40000023f00',
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}
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# AES-128 reference vectors (public synthetic keys from pySim test_ota.py).
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AES_APDU = '00a40004023f00'
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AES_REFERENCE_VECTORS = {
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('16', '19'):
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'00281516192222b000115a47655527e96e832f1a5c698655715d4331454a0d83952c0ed35245706976b1',
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('12', '09'):
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'001d1512092222b0001100000000110029826122c7a0b79500a40004023f00',
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('1e', '19'):
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'0028151e192222b0001118b202ee47a3203e7370861c383b4142e704157b36e5c0eb4bb33eb6036cbaf8',
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}
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class TestSpiFromBytes(unittest.TestCase):
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def test_06_09_ciphered_cc(self):
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spi = _spi_from_bytes(0x06, 0x09)
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self.assertEqual(spi, {
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'counter': 'no_counter',
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'ciphering': True,
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'rc_cc_ds': 'cc',
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'por_in_submit': False,
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'por_shall_be_ciphered': False,
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'por_rc_cc_ds': 'cc',
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'por': 'por_required',
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})
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def test_16_01_counter_must_be_higher(self):
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spi = _spi_from_bytes(0x16, 0x01)
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self.assertEqual(spi['counter'], 'counter_must_be_higher')
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self.assertTrue(spi['ciphering'])
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self.assertEqual(spi['rc_cc_ds'], 'cc')
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self.assertEqual(spi['por_rc_cc_ds'], 'no_rc_cc_ds')
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def test_02_09_unciphered_cc(self):
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spi = _spi_from_bytes(0x02, 0x09)
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self.assertFalse(spi['ciphering'])
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self.assertEqual(spi['rc_cc_ds'], 'cc')
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self.assertEqual(spi['por_rc_cc_ds'], 'cc')
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def test_04_19_ciphered_no_cc(self):
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spi = _spi_from_bytes(0x04, 0x19)
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self.assertTrue(spi['ciphering'])
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self.assertEqual(spi['rc_cc_ds'], 'no_rc_cc_ds')
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self.assertTrue(spi['por_shall_be_ciphered'])
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self.assertEqual(spi['por_rc_cc_ds'], 'cc')
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class TestBuildSmsTpdu(unittest.TestCase):
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CHUNK = '00201506091515b00000c08f58c38860acb3a362fffe670ad13759a2a6b4c1a91116'
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SCTS = bytes.fromhex('24051215173000')
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def _build(self, *args, **kwargs):
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with mock.patch('pysim_otaman_server.server._encode_scts', return_value=self.SCTS):
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return _build_sms_tpdu(*args, **kwargs)
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def test_single_message_with_cpi(self):
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self.assertEqual(
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self._build(self.CHUNK, include_cpi=True),
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'4005812143f57ff6240512151730002502700000201506091515b00000'
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'c08f58c38860acb3a362fffe670ad13759a2a6b4c1a91116')
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def test_single_message_without_cpi(self):
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self.assertEqual(
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self._build(self.CHUNK, include_cpi=False),
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'0405812143f57ff6240512151730002200201506091515b00000'
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'c08f58c38860acb3a362fffe670ad13759a2a6b4c1a91116')
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def test_first_chunk_has_cpi(self):
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self.assertEqual(
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self._build(self.CHUNK, chunk_total=3, chunk_num=1, include_cpi=True),
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'4405812143f57ff6240512151730002a070003010301700000201506091515b00000'
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'c08f58c38860acb3a362fffe670ad13759a2a6b4c1a91116')
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def test_later_chunk_concat_only(self):
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self.assertEqual(
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self._build(self.CHUNK, chunk_total=3, chunk_num=2, include_cpi=True),
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'4405812143f57ff6240512151730002805000301030200201506091515b00000'
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'c08f58c38860acb3a362fffe670ad13759a2a6b4c1a91116')
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class TestOtaReference(unittest.TestCase):
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def test_ciphered_spi_06_09(self):
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out, _ = _ota_reference('06', '09', '15', '15', 'b00000', '0000000001', APDU, K, K)
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self.assertEqual(out, REFERENCE_VECTORS[('06', '09')])
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def test_ciphered_spi_16_01(self):
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out, _ = _ota_reference('16', '01', '15', '15', 'b00000', '0000000001', APDU, K, K)
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self.assertEqual(out, REFERENCE_VECTORS[('16', '01')])
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def test_unciphered_spi_02_09(self):
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out, _ = _ota_reference('02', '09', '15', '15', 'b00000', '0000000001', APDU, K, K)
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self.assertEqual(out, REFERENCE_VECTORS[('02', '09')])
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def test_unciphered_cpl_is_0x001d(self):
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# Regression: CPL counts octets from the CHL octet to the last octet
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# of the secured data (29 here), it must NOT be len(out)-2 (27/0x001b).
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out, _ = _ota_reference('02', '09', '15', '15', 'b00000', '0000000001', APDU, K, K)
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self.assertEqual(out[:4], '001d')
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self.assertEqual(len(out) // 2, 31)
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def test_sysmocom_reference_vector(self):
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# Public vector from pySim tests/unittests/test_ota.py (test_cmd_3des_ciphered).
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out, _ = _ota_reference('04', '19', '35', '35', 'b00000', '0000000000', APDU, KIC3, KID3)
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self.assertEqual(out, '00180d04193535b00000e3ec80a849b554421276af3883927c20')
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def test_returns_spi_dict(self):
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_, spi = _ota_reference('16', '01', '15', '15', 'b00000', '0000000001', APDU, K, K)
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self.assertEqual(spi['counter'], 'counter_must_be_higher')
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self.assertTrue(spi['ciphering'])
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def test_aes128_ciphered_cc(self):
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out, _ = _ota_reference('16', '19', '22', '22', 'b00011', '0000000011', AES_APDU, KIC_AES, KID_AES)
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self.assertEqual(out, AES_REFERENCE_VECTORS[('16', '19')])
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def test_aes128_unciphered_cc(self):
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out, _ = _ota_reference('12', '09', '22', '22', 'b00011', '0000000011', AES_APDU, KIC_AES, KID_AES)
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self.assertEqual(out, AES_REFERENCE_VECTORS[('12', '09')])
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def test_aes128_counter_plus_one(self):
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out, spi = _ota_reference('1e', '19', '22', '22', 'b00011', '0000000011', AES_APDU, KIC_AES, KID_AES)
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self.assertEqual(out, AES_REFERENCE_VECTORS[('1e', '19')])
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self.assertEqual(spi['counter'], 'counter_must_be_lower')
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class TestDecodePor(unittest.TestCase):
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def test_plaintext_no_cc_synthetic(self):
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r = _decode_por('02', '01', '15', '15', '0000000001', K, K,
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'027100000e0ab0000000000000010000016e00')
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self.assertEqual(r['response_status'], 'por_ok')
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self.assertEqual(r['tar'], 'B00000')
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self.assertEqual(r['decoded']['last_status_word'], '6e00')
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def test_sysmocom_signed(self):
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r = _decode_por('06', '09', '35', '35', '0000000001', KIC3, KID3,
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'027100001612b000110000000000000055f47118381175fb01612f')
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self.assertEqual(r['response_status'], 'por_ok')
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self.assertEqual(r['decoded']['last_status_word'], '612f')
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def test_sysmocom_ciphered(self):
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r = _decode_por('06', '19', '35', '35', '0000000001', KIC3, KID3,
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'027100001c12b000119660ebdb81be189b5e4389e9e7ab2bc0954f963ad869ed7c')
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self.assertEqual(r['response_status'], 'por_ok')
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self.assertEqual(r['decoded']['last_status_word'], '612f')
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def test_sysmocom_no_cc(self):
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r = _decode_por('06', '01', '35', '35', '0000000001', KIC3, KID3,
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'027100000e0ab000110000000000000001612f')
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self.assertEqual(r['response_status'], 'por_ok')
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self.assertEqual(r['decoded']['last_status_word'], '612f')
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def test_sysmocom_bad_cc_returns_none(self):
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r = _decode_por('06', '09', '35', '35', '0000000001', KIC3, KID3,
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'027100001612b000110000000000000055f47118381175fb02612f')
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self.assertIsNone(r)
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def test_aes128_ciphered(self):
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r = _decode_por('06', '19', '22', '22', '0000000001', KIC_AES, KID_AES,
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'027100002412b00011ebc6b497e2cad7aedf36ace0e3a29b38853f0fe9ccde81913be5702b73abce1f')
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self.assertEqual(r['response_status'], 'por_ok')
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self.assertEqual(r['decoded']['last_status_word'], '6132')
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def test_malformed_returns_none(self):
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for bad in ['', '00', '00027100000e0a', '027100000e0ab00000', 'garbage', 'zz']:
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self.assertIsNone(
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_decode_por('02', '01', '15', '15', '0000000001', K, K, bad),
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msg='expected None for %r' % bad)
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if __name__ == '__main__':
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unittest.main()
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