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-rw-r--r--pyecsca/ec/configuration.py11
-rw-r--r--pyecsca/sca/trace/align.py8
-rw-r--r--pyecsca/sca/trace/combine.py8
-rw-r--r--pyecsca/sca/trace/edit.py8
-rw-r--r--pyecsca/sca/trace/filter.py4
-rw-r--r--pyecsca/sca/trace/process.py20
-rw-r--r--pyecsca/sca/trace/sampling.py7
-rw-r--r--pyecsca/sca/trace/test.py4
-rw-r--r--pyecsca/sca/trace/trace.py27
-rw-r--r--pyecsca/sca/trace_set/chipwhisperer.py2
-rw-r--r--pyecsca/sca/trace_set/hdf5.py4
-rw-r--r--pyecsca/sca/trace_set/inspector.py12
-rw-r--r--test/ec/test_configuration.py5
-rw-r--r--test/sca/test_align.py26
-rw-r--r--test/sca/test_combine.py8
-rw-r--r--test/sca/test_edit.py2
-rw-r--r--test/sca/test_filter.py2
-rw-r--r--test/sca/test_match.py10
-rw-r--r--test/sca/test_plot.py4
-rw-r--r--test/sca/test_process.py2
-rw-r--r--test/sca/test_sampling.py4
-rw-r--r--test/sca/test_test.py25
-rw-r--r--test/sca/test_trace.py2
-rw-r--r--test/sca/test_traceset.py8
24 files changed, 103 insertions, 110 deletions
diff --git a/pyecsca/ec/configuration.py b/pyecsca/ec/configuration.py
index 24f3a7f..190ed61 100644
--- a/pyecsca/ec/configuration.py
+++ b/pyecsca/ec/configuration.py
@@ -55,6 +55,13 @@ class Reduction(EnumDefine):
@public
+class Inversion(EnumDefine):
+ """Inversion algorithm used."""
+ GCD = "INV_GCD"
+ EULER = "INV_EULER"
+
+
+@public
class HashType(EnumDefine):
"""Hash algorithm used in ECDH and ECDSA."""
NONE = "HASH_NONE"
@@ -85,6 +92,7 @@ class Configuration(object):
mult: Multiplication
sqr: Squaring
red: Reduction
+ inv: Inversion
@public
@@ -128,7 +136,8 @@ def all_configurations(**kwargs) -> Generator[Configuration, Configuration, None
"mod_rand": RandomMod,
"mult": Multiplication,
"sqr": Squaring,
- "red": Reduction
+ "red": Reduction,
+ "inv": Inversion
}
keys = list(filter(lambda key: key not in kwargs, options.keys()))
values = [options[key] for key in keys]
diff --git a/pyecsca/sca/trace/align.py b/pyecsca/sca/trace/align.py
index 1c9c216..f1bf259 100644
--- a/pyecsca/sca/trace/align.py
+++ b/pyecsca/sca/trace/align.py
@@ -2,7 +2,7 @@
This module provides functions for aligning traces in a trace set to a reference trace within it.
"""
import numpy as np
-from copy import copy, deepcopy
+from copy import deepcopy
from fastdtw import fastdtw, dtw
from public import public
from typing import List, Callable, Tuple
@@ -27,7 +27,7 @@ def align_reference(reference: Trace, *traces: Trace,
result_samples[:length - offset] = trace.samples[offset:]
else:
result_samples[-offset:] = trace.samples[:length + offset]
- result.append(Trace(result_samples, copy(trace.title), copy(trace.data)))
+ result.append(trace.with_samples(result_samples))
return result
@@ -198,7 +198,7 @@ def align_dtw_scale(reference: Trace, *traces: Trace, radius: int = 1,
scale[x] += 1
result_samples //= scale
del scale
- result.append(Trace(result_samples, copy(trace.title), copy(trace.data)))
+ result.append(trace.with_samples(result_samples))
return result
@@ -233,5 +233,5 @@ def align_dtw(reference: Trace, *traces: Trace, radius: int = 1, fast: bool = Tr
# or manually:
# for x, y in path:
# result_samples[x] = trace.samples[y]
- result.append(Trace(result_samples, copy(trace.title), copy(trace.data)))
+ result.append(trace.with_samples(result_samples))
return result
diff --git a/pyecsca/sca/trace/combine.py b/pyecsca/sca/trace/combine.py
index 0e7f325..5eeaaec 100644
--- a/pyecsca/sca/trace/combine.py
+++ b/pyecsca/sca/trace/combine.py
@@ -17,10 +17,10 @@ def average(*traces: Trace) -> Optional[CombinedTrace]:
if not traces:
return None
if len(traces) == 1:
- return CombinedTrace(traces[0].samples.copy(), None, None)
+ return CombinedTrace(traces[0].samples.copy())
dtype = traces[0].samples.dtype
result_samples = np.mean(np.array([trace.samples for trace in traces]), axis=0).astype(dtype)
- return CombinedTrace(result_samples, None, None)
+ return CombinedTrace(result_samples)
@public
@@ -48,7 +48,7 @@ def standard_deviation(*traces: Trace) -> Optional[CombinedTrace]:
return None
dtype = traces[0].samples.dtype
result_samples = np.std(np.array([trace.samples for trace in traces]), axis=0).astype(dtype)
- return CombinedTrace(result_samples, None, None)
+ return CombinedTrace(result_samples)
@public
@@ -61,4 +61,4 @@ def subtract(one: Trace, other: Trace) -> CombinedTrace:
:return:
"""
result_samples = one.samples - other.samples
- return CombinedTrace(result_samples, None, None)
+ return CombinedTrace(result_samples)
diff --git a/pyecsca/sca/trace/edit.py b/pyecsca/sca/trace/edit.py
index f58ad57..cc27dcd 100644
--- a/pyecsca/sca/trace/edit.py
+++ b/pyecsca/sca/trace/edit.py
@@ -1,5 +1,4 @@
import numpy as np
-from copy import copy
from public import public
from typing import Union, Tuple, Any
@@ -22,7 +21,7 @@ def trim(trace: Trace, start: int = None, end: int = None) -> Trace:
end = len(trace.samples)
if start > end:
raise ValueError("Invalid trim arguments.")
- return Trace(trace.samples[start:end].copy(), copy(trace.title), copy(trace.data))
+ return trace.with_samples(trace.samples[start:end].copy())
@public
@@ -33,7 +32,7 @@ def reverse(trace: Trace) -> Trace:
:param trace:
:return:
"""
- return Trace(np.flipud(trace.samples), copy(trace.title), copy(trace.data))
+ return trace.with_samples(np.flipud(trace.samples))
@public
@@ -51,5 +50,4 @@ def pad(trace: Trace, lengths: Union[Tuple[int, int], int],
lengths = (lengths, lengths)
if not isinstance(values, tuple):
values = (values, values)
- return Trace(np.pad(trace.samples, lengths, "constant", constant_values=values),
- copy(trace.title), copy(trace.data))
+ return trace.with_samples(np.pad(trace.samples, lengths, "constant", constant_values=values))
diff --git a/pyecsca/sca/trace/filter.py b/pyecsca/sca/trace/filter.py
index 6bb17b9..cb5dde6 100644
--- a/pyecsca/sca/trace/filter.py
+++ b/pyecsca/sca/trace/filter.py
@@ -1,4 +1,3 @@
-from copy import copy
from public import public
from scipy.signal import butter, lfilter
from typing import Union, Tuple
@@ -13,8 +12,7 @@ def filter_any(trace: Trace, sampling_frequency: int,
b, a = butter(6, tuple(map(lambda x: x / nyq, cutoff)), btype=band_type, analog=False, output='ba')
else:
b, a = butter(6, cutoff / nyq, btype=band_type, analog=False, output='ba')
- result_samples = lfilter(b, a, trace.samples)
- return Trace(result_samples, copy(trace.title), copy(trace.data))
+ return trace.with_samples(lfilter(b, a, trace.samples))
@public
diff --git a/pyecsca/sca/trace/process.py b/pyecsca/sca/trace/process.py
index 4cdbeff..dccccc2 100644
--- a/pyecsca/sca/trace/process.py
+++ b/pyecsca/sca/trace/process.py
@@ -1,5 +1,4 @@
import numpy as np
-from copy import copy
from public import public
from .trace import Trace
@@ -13,7 +12,7 @@ def absolute(trace: Trace) -> Trace:
:param trace:
:return:
"""
- return Trace(np.absolute(trace.samples), copy(trace.title), copy(trace.data))
+ return trace.with_samples(np.absolute(trace.samples))
@public
@@ -24,7 +23,7 @@ def invert(trace: Trace) -> Trace:
:param trace:
:return:
"""
- return Trace(np.negative(trace.samples), copy(trace.title), copy(trace.data))
+ return trace.with_samples(np.negative(trace.samples))
@public
@@ -39,7 +38,7 @@ def threshold(trace: Trace, value) -> Trace:
result_samples = trace.samples.copy()
result_samples[result_samples <= value] = 0
result_samples[np.nonzero(result_samples)] = 1
- return Trace(result_samples, copy(trace.title), copy(trace.data))
+ return trace.with_samples(result_samples)
def rolling_window(samples: np.ndarray, window: int) -> np.ndarray:
@@ -57,8 +56,8 @@ def rolling_mean(trace: Trace, window: int) -> Trace:
:param window:
:return:
"""
- return Trace(np.mean(rolling_window(trace.samples, window), -1).astype(
- dtype=trace.samples.dtype), copy(trace.title), copy(trace.data))
+ return trace.with_samples(np.mean(rolling_window(trace.samples, window), -1).astype(
+ dtype=trace.samples.dtype))
@public
@@ -70,7 +69,7 @@ def offset(trace: Trace, offset) -> Trace:
:param offset:
:return:
"""
- return Trace(trace.samples + offset, copy(trace.title), copy(trace.data))
+ return trace.with_samples(trace.samples + offset)
def root_mean_square(trace: Trace):
@@ -91,11 +90,10 @@ def recenter(trace: Trace) -> Trace:
@public
def normalize(trace: Trace) -> Trace:
- return Trace((trace.samples - np.mean(trace.samples)) / np.std(trace.samples),
- copy(trace.title), copy(trace.data))
+ return trace.with_samples((trace.samples - np.mean(trace.samples)) / np.std(trace.samples))
@public
def normalize_wl(trace: Trace) -> Trace:
- return Trace((trace.samples - np.mean(trace.samples)) / (
- np.std(trace.samples) * len(trace.samples)), copy(trace.title), copy(trace.data))
+ return trace.with_samples((trace.samples - np.mean(trace.samples)) / (
+ np.std(trace.samples) * len(trace.samples)))
diff --git a/pyecsca/sca/trace/sampling.py b/pyecsca/sca/trace/sampling.py
index fdd5e5b..0a32c28 100644
--- a/pyecsca/sca/trace/sampling.py
+++ b/pyecsca/sca/trace/sampling.py
@@ -1,5 +1,4 @@
import numpy as np
-from copy import copy
from public import public
from scipy.signal import decimate
@@ -18,7 +17,7 @@ def downsample_average(trace: Trace, factor: int = 2) -> Trace:
"""
resized = np.resize(trace.samples, len(trace.samples) - (len(trace.samples) % factor))
result_samples = resized.reshape(-1, factor).mean(axis=1).astype(trace.samples.dtype)
- return Trace(result_samples, copy(trace.title), copy(trace.data))
+ return trace.with_samples(result_samples)
@public
@@ -32,7 +31,7 @@ def downsample_pick(trace: Trace, factor: int = 2, offset: int = 0) -> Trace:
:return:
"""
result_samples = trace.samples[offset::factor].copy()
- return Trace(result_samples, copy(trace.title), copy(trace.data))
+ return trace.with_samples(result_samples)
@public
@@ -45,4 +44,4 @@ def downsample_decimate(trace: Trace, factor: int = 2) -> Trace:
:return:
"""
result_samples = decimate(trace.samples, factor)
- return Trace(result_samples, copy(trace.title), copy(trace.data))
+ return trace.with_samples(result_samples)
diff --git a/pyecsca/sca/trace/test.py b/pyecsca/sca/trace/test.py
index 4fc0236..65011e6 100644
--- a/pyecsca/sca/trace/test.py
+++ b/pyecsca/sca/trace/test.py
@@ -14,7 +14,7 @@ def ttest_func(first_set: Sequence[Trace], second_set: Sequence[Trace],
first_stack = np.stack([first.samples for first in first_set])
second_stack = np.stack([second.samples for second in second_set])
result = ttest_ind(first_stack, second_stack, axis=0, equal_var=equal_var)
- return CombinedTrace(result[0], None, None)
+ return CombinedTrace(result[0])
@public
@@ -61,4 +61,4 @@ def ks_test(first_set: Sequence[Trace], second_set: Sequence[Trace]) -> Optional
results = np.empty(len(first_set[0].samples), dtype=first_set[0].samples.dtype)
for i in range(len(first_set[0].samples)):
results[i] = ks_2samp(first_stack[..., i], second_stack[..., i])[0]
- return CombinedTrace(results, None, None)
+ return CombinedTrace(results)
diff --git a/pyecsca/sca/trace/trace.py b/pyecsca/sca/trace/trace.py
index 99a6814..82d1ee4 100644
--- a/pyecsca/sca/trace/trace.py
+++ b/pyecsca/sca/trace/trace.py
@@ -1,5 +1,5 @@
import weakref
-from typing import Optional, Any, Mapping, Sequence
+from typing import Any, Mapping, Sequence
from copy import copy, deepcopy
from numpy import ndarray
@@ -10,15 +10,10 @@ from public import public
@public
class Trace(object):
"""A trace, which has an optional title, optional data bytes and mandatory samples."""
- title: Optional[str]
- data: Optional[bytes]
meta: Mapping[str, Any]
samples: ndarray
- def __init__(self, samples: ndarray, title: Optional[str], data: Optional[bytes],
- meta: Mapping[str, Any] = None, trace_set: Any = None):
- self.title = title
- self.data = data
+ def __init__(self, samples: ndarray, meta: Mapping[str, Any] = None, trace_set: Any = None):
self.meta = meta
self.samples = samples
self.trace_set = trace_set
@@ -60,32 +55,32 @@ class Trace(object):
def __eq__(self, other):
if not isinstance(other, Trace):
return False
- return np.array_equal(self.samples, other.samples) and self.title == other.title and self.data == other.data and self.meta == other.meta
+ return np.array_equal(self.samples, other.samples) and self.meta == other.meta
def with_samples(self, samples: ndarray) -> "Trace":
- return Trace(samples, deepcopy(self.title), deepcopy(self.data), deepcopy(self.meta), deepcopy(self.trace_set))
+ return Trace(samples, deepcopy(self.meta), deepcopy(self.trace_set))
def __copy__(self):
- return Trace(copy(self.samples), copy(self.title), copy(self.data), copy(self.meta), copy(self.trace_set))
+ return Trace(copy(self.samples), copy(self.meta), copy(self.trace_set))
def __deepcopy__(self, memodict={}):
- return Trace(deepcopy(self.samples, memo=memodict), deepcopy(self.title, memo=memodict), deepcopy(self.data, memo=memodict), deepcopy(self.meta, memo=memodict), deepcopy(self.trace_set, memo=memodict))
+ return Trace(deepcopy(self.samples, memo=memodict), deepcopy(self.meta, memo=memodict),
+ deepcopy(self.trace_set, memo=memodict))
def __repr__(self):
- return f"Trace(title={self.title!r}, data={self.data!r}, samples={self.samples!r}, trace_set={self.trace_set!r})"
+ return f"Trace(samples={self.samples!r}, trace_set={self.trace_set!r})"
@public
class CombinedTrace(Trace):
"""A trace that was combined from other traces, `parents`."""
- def __init__(self, samples: ndarray, title: Optional[str], data: Optional[bytes],
- meta: Mapping[str, Any] = None, trace_set: Any = None,
+ def __init__(self, samples: ndarray, meta: Mapping[str, Any] = None, trace_set: Any = None,
parents: Sequence[Trace] = None):
- super().__init__(samples, title, data, meta, trace_set=trace_set)
+ super().__init__(samples, meta, trace_set=trace_set)
self.parents = None
if parents is not None:
self.parents = weakref.WeakSet(parents)
def __repr__(self):
- return f"CombinedTrace(title={self.title!r}, data={self.data!r}, samples={self.samples!r}, trace_set={self.trace_set!r}, parents={self.parents})"
+ return f"CombinedTrace(samples={self.samples!r}, trace_set={self.trace_set!r}, parents={self.parents})"
diff --git a/pyecsca/sca/trace_set/chipwhisperer.py b/pyecsca/sca/trace_set/chipwhisperer.py
index e70c457..ea1fc99 100644
--- a/pyecsca/sca/trace_set/chipwhisperer.py
+++ b/pyecsca/sca/trace_set/chipwhisperer.py
@@ -44,7 +44,7 @@ class ChipWhispererTraceSet(TraceSet):
for samples, key, textin, textout in zip_longest(data["traces"], data["keylist"],
data["textin"], data["textout"]):
traces.append(
- Trace(samples, None, None, {"key": key, "textin": textin, "textout": textout}))
+ Trace(samples, {"key": key, "textin": textin, "textout": textout}))
del data["traces"]
del data["keylist"]
del data["textin"]
diff --git a/pyecsca/sca/trace_set/hdf5.py b/pyecsca/sca/trace_set/hdf5.py
index b8a1ad1..561d3d3 100644
--- a/pyecsca/sca/trace_set/hdf5.py
+++ b/pyecsca/sca/trace_set/hdf5.py
@@ -27,7 +27,7 @@ class HDF5TraceSet(TraceSet):
for k, v in hdf5.items():
meta = dict(hdf5[k].attrs) if hdf5[k].attrs else None
samples = hdf5[k]
- traces.append(Trace(np.array(samples, dtype=samples.dtype), None, None, meta))
+ traces.append(Trace(np.array(samples, dtype=samples.dtype), meta))
hdf5.close()
return HDF5TraceSet(*traces, **kwargs)
@@ -44,7 +44,7 @@ class HDF5TraceSet(TraceSet):
for k, v in hdf5.items():
meta = dict(hdf5[k].attrs) if hdf5[k].attrs else None
samples = hdf5[k]
- traces.append(Trace(samples, k, None, meta))
+ traces.append(Trace(samples, meta))
return HDF5TraceSet(*traces, **kwargs, _file=hdf5)
def __setitem__(self, key, value):
diff --git a/pyecsca/sca/trace_set/inspector.py b/pyecsca/sca/trace_set/inspector.py
index 4f45aa0..6d79f12 100644
--- a/pyecsca/sca/trace_set/inspector.py
+++ b/pyecsca/sca/trace_set/inspector.py
@@ -190,11 +190,11 @@ class InspectorTraceSet(TraceSet):
samples = np.frombuffer(
file.read(dtype.itemsize * tags["num_samples"]), dtype,
tags["num_samples"])
- result.append(Trace(samples, title, data))
+ result.append(Trace(samples, {"title": title, "data": data}))
return result, tags
@classmethod
- def inplace(cls, input: Union[str, Path, bytes, RawIOBase, BufferedIOBase]) -> "PickleTraceSet":
+ def inplace(cls, input: Union[str, Path, bytes, RawIOBase, BufferedIOBase]) -> "TraceSet":
raise NotImplementedError
def write(self, output: Union[str, Path, RawIOBase, BufferedIOBase]):
@@ -231,10 +231,10 @@ class InspectorTraceSet(TraceSet):
file.write(b"\x5f\x00")
for trace in self._traces:
- if self.title_space != 0 and trace.title is not None:
- file.write(Parsers.write_str(trace.title))
- if self.data_space != 0 and trace.data is not None:
- file.write(trace.data)
+ if self.title_space != 0 and trace.meta["title"] is not None:
+ file.write(Parsers.write_str(trace.meta["title"]))
+ if self.data_space != 0 and trace.meta["data"] is not None:
+ file.write(trace.meta["data"])
unscaled = InspectorTraceSet.__unscale(trace.samples, self.y_scale, self.sample_coding)
try:
unscaled.tofile(file)
diff --git a/test/ec/test_configuration.py b/test/ec/test_configuration.py
index 54e4827..9c8e361 100644
--- a/test/ec/test_configuration.py
+++ b/test/ec/test_configuration.py
@@ -1,7 +1,7 @@
from unittest import TestCase
from pyecsca.ec.configuration import (all_configurations, HashType, RandomMod, Multiplication,
- Squaring, Reduction)
+ Squaring, Reduction, Inversion)
from pyecsca.ec.model import ShortWeierstrassModel
from pyecsca.ec.mult import LTRMultiplier
from .utils import slow
@@ -15,7 +15,8 @@ class ConfigurationTests(TestCase):
"mod_rand": RandomMod.SAMPLE,
"mult": Multiplication.BASE,
"sqr": Squaring.BASE,
- "red": Reduction.BASE
+ "red": Reduction.BASE,
+ "inv": Inversion.GCD
}
@slow
diff --git a/test/sca/test_align.py b/test/sca/test_align.py
index f446f17..8aa489b 100644
--- a/test/sca/test_align.py
+++ b/test/sca/test_align.py
@@ -12,9 +12,9 @@ class AlignTests(Plottable):
first_arr = np.array([10, 64, 120, 64, 10, 10, 10, 10, 10], dtype=np.dtype("i1"))
second_arr = np.array([10, 10, 10, 10, 50, 80, 50, 20, 10], dtype=np.dtype("i1"))
third_arr = np.array([70, 30, 42, 35, 28, 21, 15, 10, 5], dtype=np.dtype("i1"))
- a = Trace(first_arr, None, None)
- b = Trace(second_arr, None, None)
- c = Trace(third_arr, None, None)
+ a = Trace(first_arr)
+ b = Trace(second_arr)
+ c = Trace(third_arr)
result = align_correlation(a, b, c, reference_offset=1, reference_length=3, max_offset=4, min_correlation=0.65)
self.assertIsNotNone(result)
self.assertEqual(len(result), 2)
@@ -36,16 +36,16 @@ class AlignTests(Plottable):
def test_peak_align(self):
first_arr = np.array([10, 64, 14, 120, 15, 30, 10, 15, 20, 15, 15, 10, 10], dtype=np.dtype("i1"))
second_arr = np.array([10, 10, 10, 10, 90, 40, 50, 20, 10, 17, 16, 10, 10], dtype=np.dtype("i1"))
- a = Trace(first_arr, None, None)
- b = Trace(second_arr, None, None)
+ a = Trace(first_arr)
+ b = Trace(second_arr)
result = align_peaks(a, b, reference_offset=2, reference_length=5, max_offset=3)
self.assertEqual(np.argmax(result[0].samples), np.argmax(result[1].samples))
def test_sad_align(self):
first_arr = np.array([10, 64, 14, 120, 15, 30, 10, 15, 20, 15, 15, 10, 10], dtype=np.dtype("i1"))
second_arr = np.array([10, 10, 10, 10, 90, 40, 50, 20, 10, 17, 16, 10, 10], dtype=np.dtype("i1"))
- a = Trace(first_arr, None, None)
- b = Trace(second_arr, None, None)
+ a = Trace(first_arr)
+ b = Trace(second_arr)
result = align_sad(a, b, reference_offset=2, reference_length=5, max_offset=3)
self.assertEqual(len(result), 2)
@@ -53,9 +53,9 @@ class AlignTests(Plottable):
first_arr = np.array([10, 64, 14, 120, 15, 30, 10, 15, 20, 15, 15, 10, 10, 8, 10, 12, 10, 13, 9], dtype=np.dtype("i1"))
second_arr = np.array([10, 10, 10, 10, 60, 40, 90, 20, 10, 17, 16, 10, 10, 10, 10, 10, 17, 12, 10], dtype=np.dtype("i1"))
third_arr = np.array([10, 30, 20, 21, 15, 8, 10, 37, 21, 77, 20, 28, 25, 10, 9, 10, 15, 9, 10], dtype=np.dtype("i1"))
- a = Trace(first_arr, None, None)
- b = Trace(second_arr, None, None)
- c = Trace(third_arr, None, None)
+ a = Trace(first_arr)
+ b = Trace(second_arr)
+ c = Trace(third_arr)
result = align_dtw_scale(a, b, c)
self.assertEqual(np.argmax(result[0].samples), np.argmax(result[1].samples))
@@ -66,9 +66,9 @@ class AlignTests(Plottable):
first_arr = np.array([10, 64, 14, 120, 15, 30, 10, 15, 20, 15, 15, 10, 10, 8, 10, 12, 10, 13, 9], dtype=np.dtype("i1"))
second_arr = np.array([10, 10, 10, 10, 60, 40, 90, 20, 10, 17, 16, 10, 10, 10, 10, 10, 17, 12, 10], dtype=np.dtype("i1"))
third_arr = np.array([10, 30, 20, 21, 15, 8, 10, 47, 21, 77, 20, 28, 25, 10, 9, 10, 15, 9, 10], dtype=np.dtype("i1"))
- a = Trace(first_arr, None, None)
- b = Trace(second_arr, None, None)
- c = Trace(third_arr, None, None)
+ a = Trace(first_arr)
+ b = Trace(second_arr)
+ c = Trace(third_arr)
result = align_dtw(a, b, c)
self.assertEqual(np.argmax(result[0].samples), np.argmax(result[1].samples))
diff --git a/test/sca/test_combine.py b/test/sca/test_combine.py
index 41df9fb..a35772b 100644
--- a/test/sca/test_combine.py
+++ b/test/sca/test_combine.py
@@ -7,9 +7,9 @@ from pyecsca.sca import Trace, CombinedTrace, average, conditional_average, stan
class CombineTests(TestCase):
def setUp(self):
- self.a = Trace(np.array([20, 80], dtype=np.dtype("i1")), None, b"\xff", None)
- self.b = Trace(np.array([30, 42], dtype=np.dtype("i1")), None, b"\xff", None)
- self.c = Trace(np.array([78, 56], dtype=np.dtype("i1")), None, b"\x00", None)
+ self.a = Trace(np.array([20, 80], dtype=np.dtype("i1")), {"data": b"\xff"})
+ self.b = Trace(np.array([30, 42], dtype=np.dtype("i1")), {"data": b"\xff"})
+ self.c = Trace(np.array([78, 56], dtype=np.dtype("i1")), {"data": b"\x00"})
def test_average(self):
self.assertIsNone(average())
@@ -22,7 +22,7 @@ class CombineTests(TestCase):
def test_conditional_average(self):
result = conditional_average(self.a, self.b, self.c,
- condition=lambda trace: trace.data[0] == 0xff)
+ condition=lambda trace: trace.meta["data"] == b"\xff")
self.assertIsInstance(result, CombinedTrace)
self.assertEqual(len(result.samples), 2)
self.assertEqual(result.samples[0], 25)
diff --git a/test/sca/test_edit.py b/test/sca/test_edit.py
index f5b529e..f701d83 100644
--- a/test/sca/test_edit.py
+++ b/test/sca/test_edit.py
@@ -8,7 +8,7 @@ from pyecsca.sca import Trace, trim, reverse, pad
class EditTests(TestCase):
def setUp(self):
- self._trace = Trace(np.array([10, 20, 30, 40, 50], dtype=np.dtype("i1")), None, None, None)
+ self._trace = Trace(np.array([10, 20, 30, 40, 50], dtype=np.dtype("i1")))
def test_trim(self):
result = trim(self._trace, 2)
diff --git a/test/sca/test_filter.py b/test/sca/test_filter.py
index fda5626..1c9e9ca 100644
--- a/test/sca/test_filter.py
+++ b/test/sca/test_filter.py
@@ -10,7 +10,7 @@ class FilterTests(Plottable):
def setUp(self):
self._trace = Trace(
np.array([5, 12, 15, 13, 15, 11, 7, 2, -4, -8, -10, -8, -13, -9, -11, -8, -5],
- dtype=np.dtype("i1")), None, None, None)
+ dtype=np.dtype("i1")), None)
def test_lowpass(self):
result = filter_lowpass(self._trace, 100, 20)
diff --git a/test/sca/test_match.py b/test/sca/test_match.py
index 1781d9d..cd0b780 100644
--- a/test/sca/test_match.py
+++ b/test/sca/test_match.py
@@ -9,22 +9,20 @@ from .utils import Plottable
class MatchingTests(Plottable):
def test_simple_match(self):
- pattern = Trace(np.array([1, 15, 12, -10, 0, 13, 17, -1, 0], dtype=np.dtype("i1")), None,
- None, None)
+ pattern = Trace(np.array([1, 15, 12, -10, 0, 13, 17, -1, 0], dtype=np.dtype("i1")), None)
base = Trace(np.array(
[0, 1, 3, 1, 2, -2, -3, 1, 15, 12, -10, 0, 13, 17, -1, 0, 3, 1],
- dtype=np.dtype("i1")), None, None, None)
+ dtype=np.dtype("i1")), None)
filtered = match_part(base, 7, 9)
self.assertListEqual(filtered, [7])
self.plot(base=base, pattern=pad(pattern, (filtered[0], 0)))
def test_multiple_match(self):
- pattern = Trace(np.array([1, 15, 12, -10, 0, 13, 17, -1, 0], dtype=np.dtype("i1")), None,
- None, None)
+ pattern = Trace(np.array([1, 15, 12, -10, 0, 13, 17, -1, 0], dtype=np.dtype("i1")), None)
base = Trace(np.array(
[0, 1, 3, 1, 2, -2, -3, 1, 18, 10, -5, 0, 13, 17, -1, 0, 3, 1, 2, 5, 13, 8, -8, 1,
11, 15, 0, 1, 5, 2, 4],
- dtype=np.dtype("i1")), None, None, None)
+ dtype=np.dtype("i1")), None)
filtered = match_pattern(base, pattern, 0.9)
self.assertListEqual(filtered, [7, 19])
self.plot(base=base, pattern1=pad(pattern, (filtered[0], 0)), pattern2=pad(pattern, (filtered[1], 0)))
diff --git a/test/sca/test_plot.py b/test/sca/test_plot.py
index 9158e5c..5b65c87 100644
--- a/test/sca/test_plot.py
+++ b/test/sca/test_plot.py
@@ -11,8 +11,8 @@ from .utils import Plottable
class PlotTests(Plottable):
def setUp(self) -> None:
- self.trace1 = Trace(np.array([6, 7, 3, -2, 5, 1], dtype=np.dtype("i1")), None, None)
- self.trace2 = Trace(np.array([2, 3, 7, 0, -1, 0], dtype=np.dtype("i1")), None, None)
+ self.trace1 = Trace(np.array([6, 7, 3, -2, 5, 1], dtype=np.dtype("i1")))
+ self.trace2 = Trace(np.array([2, 3, 7, 0, -1, 0], dtype=np.dtype("i1")))
def test_html(self):
if getenv("PYECSCA_TEST_PLOTS") is None:
diff --git a/test/sca/test_process.py b/test/sca/test_process.py
index 49d520f..d1bbddb 100644
--- a/test/sca/test_process.py
+++ b/test/sca/test_process.py
@@ -7,7 +7,7 @@ from pyecsca.sca import Trace, absolute, invert, threshold, rolling_mean, offset
class ProcessTests(TestCase):
def setUp(self):
- self._trace = Trace(np.array([30, -60, 145, 247], dtype=np.dtype("i2")), None, None, None)
+ self._trace = Trace(np.array([30, -60, 145, 247], dtype=np.dtype("i2")), None)
def test_absolute(self):
result = absolute(self._trace)
diff --git a/test/sca/test_sampling.py b/test/sca/test_sampling.py
index 1af1579..79f55b4 100644
--- a/test/sca/test_sampling.py
+++ b/test/sca/test_sampling.py
@@ -8,7 +8,7 @@ from .utils import Plottable
class SamplingTests(Plottable):
def setUp(self):
- self._trace = Trace(np.array([20, 40, 50, 50, 10], dtype=np.dtype("i1")), None, None)
+ self._trace = Trace(np.array([20, 40, 50, 50, 10], dtype=np.dtype("i1")))
def test_downsample_average(self):
result = downsample_average(self._trace, 2)
@@ -29,7 +29,7 @@ class SamplingTests(Plottable):
def test_downsample_decimate(self):
trace = Trace(np.array([20, 30, 55, 18, 15, 10, 35, 24, 21, 15, 10, 8, -10, -5,
-8, -12, -15, -18, -34, -21, -17, -10, -5, -12, -6, -2,
- 4, 8, 21, 28], dtype=np.dtype("i1")), None, None, None)
+ 4, 8, 21, 28], dtype=np.dtype("i1")))
result = downsample_decimate(trace, 2)
self.assertIsNotNone(result)
self.assertIsInstance(result, Trace)
diff --git a/test/sca/test_test.py b/test/sca/test_test.py
index f012f7f..e2b3969 100644
--- a/test/sca/test_test.py
+++ b/test/sca/test_test.py
@@ -8,19 +8,16 @@ from pyecsca.sca import Trace, welch_ttest, student_ttest, ks_test
class TTestTests(TestCase):
def setUp(self):
- self.a = Trace(np.array([20, 80], dtype=np.dtype("i1")), None, b"\xff", None)
- self.b = Trace(np.array([30, 42], dtype=np.dtype("i1")), None, b"\xff", None)
- self.c = Trace(np.array([78, 56], dtype=np.dtype("i1")), None, b"\x00", None)
- self.d = Trace(np.array([98, 36], dtype=np.dtype("i1")), None, b"\x00", None)
+ self.a = Trace(np.array([20, 80], dtype=np.dtype("i1")))
+ self.b = Trace(np.array([30, 42], dtype=np.dtype("i1")))
+ self.c = Trace(np.array([78, 56], dtype=np.dtype("i1")))
+ self.d = Trace(np.array([98, 36], dtype=np.dtype("i1")))
def test_welch_ttest(self):
self.assertIsNotNone(welch_ttest([self.a, self.b], [self.c, self.d]))
- a = Trace(np.array([19.8, 20.4, 19.6, 17.8, 18.5, 18.9, 18.3, 18.9, 19.5, 22.0]), None,
- None, None)
- b = Trace(np.array([28.2, 26.6, 20.1, 23.3, 25.2, 22.1, 17.7, 27.6, 20.6, 13.7]), None,
- None, None)
- c = Trace(np.array([20.2, 21.6, 27.1, 13.3, 24.2, 20.1, 11.7, 25.6, 26.6, 21.4]), None,
- None, None)
+ a = Trace(np.array([19.8, 20.4, 19.6, 17.8, 18.5, 18.9, 18.3, 18.9, 19.5, 22.0]))
+ b = Trace(np.array([28.2, 26.6, 20.1, 23.3, 25.2, 22.1, 17.7, 27.6, 20.6, 13.7]))
+ c = Trace(np.array([20.2, 21.6, 27.1, 13.3, 24.2, 20.1, 11.7, 25.6, 26.6, 21.4]))
result = welch_ttest([a, b], [b, c])
self.assertIsNotNone(result)
@@ -35,8 +32,8 @@ class KolmogorovSmirnovTests(TestCase):
def test_ks_test(self):
self.assertIsNone(ks_test([], []))
- a = Trace(np.array([20, 80], dtype=np.dtype("i1")), None, b"\xff", None)
- b = Trace(np.array([30, 42], dtype=np.dtype("i1")), None, b"\xff", None)
- c = Trace(np.array([78, 56], dtype=np.dtype("i1")), None, b"\x00", None)
- d = Trace(np.array([98, 36], dtype=np.dtype("i1")), None, b"\x00", None)
+ a = Trace(np.array([20, 80], dtype=np.dtype("i1")))
+ b = Trace(np.array([30, 42], dtype=np.dtype("i1")))
+ c = Trace(np.array([78, 56], dtype=np.dtype("i1")))
+ d = Trace(np.array([98, 36], dtype=np.dtype("i1")))
self.assertIsNotNone(ks_test([a, b], [c, d]))
diff --git a/test/sca/test_trace.py b/test/sca/test_trace.py
index d09c4f5..91b640d 100644
--- a/test/sca/test_trace.py
+++ b/test/sca/test_trace.py
@@ -6,7 +6,7 @@ from pyecsca.sca import Trace
class TraceTests(TestCase):
def test_basic(self):
- trace = Trace(np.array([10, 15, 24], dtype=np.dtype("i1")), "Name", b"\xff\xaa", None)
+ trace = Trace(np.array([10, 15, 24], dtype=np.dtype("i1")))
self.assertIsNotNone(trace)
self.assertIn("Trace", str(trace))
self.assertIsNone(trace.trace_set)
diff --git a/test/sca/test_traceset.py b/test/sca/test_traceset.py
index 72eac47..351f025 100644
--- a/test/sca/test_traceset.py
+++ b/test/sca/test_traceset.py
@@ -9,9 +9,9 @@ import numpy as np
from pyecsca.sca import (TraceSet, InspectorTraceSet, ChipWhispererTraceSet, PickleTraceSet,
HDF5TraceSet, Trace)
-EXAMPLE_TRACES = [Trace(np.array([20, 40, 50, 50, 10], dtype=np.dtype("i1")), None, None),
- Trace(np.array([1, 2, 3, 4, 5], dtype=np.dtype("i1")), None, None),
- Trace(np.array([6, 7, 8, 9, 10], dtype=np.dtype("i1")), None, None)]
+EXAMPLE_TRACES = [Trace(np.array([20, 40, 50, 50, 10], dtype=np.dtype("i1"))),
+ Trace(np.array([1, 2, 3, 4, 5], dtype=np.dtype("i1"))),
+ Trace(np.array([6, 7, 8, 9, 10], dtype=np.dtype("i1")))]
EXAMPLE_KWARGS = {"num_traces": 3, "thingy": "abc"}
@@ -97,7 +97,7 @@ class HDF5TraceSetTests(TestCase):
shutil.copy("test/data/test.h5", path)
trace_set = HDF5TraceSet.inplace(path)
self.assertIsNotNone(trace_set)
- test_trace = Trace(np.array([6, 7], dtype=np.dtype("i1")), None, None, meta={"thing": "ring"})
+ test_trace = Trace(np.array([6, 7], dtype=np.dtype("i1")), meta={"thing": "ring"})
trace_set[0] = deepcopy(test_trace)
trace_set.save()
trace_set.close()
generated by cgit v1.2.3-70-g09d2 (git 2.51.2) at 2025-11-08 12:07:23 +0000