def test_write_meta_string(ets_filenames):
out = ETSWriter(filename, overwrite=True)
datas = np.random.randint(100, size=(nb_trace, nb_points), dtype=np.uint8)
for index, data in enumerate(datas):
out.write_samples(data, index=index)
out.write_metadata('plaintext', 'azerty', index=index)
ths = out.get_reader()
assert ths[0].plaintext == 'azerty'
def test_write_meta_length_1(ets_filenames):
out = ETSWriter(filename, overwrite=True)
datas = np.random.randint(100, size=(nb_trace, nb_points), dtype=np.uint8)
for index, data in enumerate(datas):
out.write_samples(data, index=index)
out.write_metadata('plaintext', 22, index=index)
ths = out.get_reader()
assert np.array_equal(ths[0].plaintext, np.array([22]))
def test_write_samples(ets_filenames):
out = ETSWriter(filename, overwrite=True)
datas = np.random.randint(100, size=(nb_trace, nb_points), dtype=np.uint8)
plaintext = np.random.randint(256, size=(nb_trace, 16), dtype=np.uint8)
for index, data in enumerate(datas):
out.write_samples(data, index=index)
out.write_metadata('plaintext', plaintext[index], index=index)
ths = out.get_reader()
for i, t in enumerate(ths):
assert np.array_equal(t.samples[:], datas[i])
assert np.array_equal(t.plaintext, plaintext[i])