def __init__(self, matrix=None, source=''):
if source:
self.fromFile(source)
return
if matrix is None:
return
assert is_array(matrix)
k = len(matrix)
assert k
assert (is_array(matrix[i]) for i in range(k))
classes = len(matrix[0])
assert classes
assert (len(matrix[i]) == classes for i in range(k))
assert (is_scalar(matrix[i][j]) for i in range(k)
for j in range(classes))
self.classes = classes
self.k = k
self.content = [[int(matrix[i][j]) for j in range(classes)]
for i in range(k)]
self.nbits = []
for j in range(k):
m = 1
for x in self.content[j]:
if abs(x) > m:
m = abs(x)
self.nbits.append(int(log2(m)) + 1)
def __init__(self, matrix=None, source=''):
if source:
self.fromFile(source)
return
if matrix is None:
return
assert is_array(matrix)
n = len(matrix)
assert n > 0
assert (is_array(matrix[i]) for i in range(n))
k = len(matrix[0])
assert k > 0
assert (len(matrix[i]) == k for i in range(n))
assert (is_scalar(matrix[i][j]) for i in range(n) for j in range(k))
self.n = n
self.k = k
self.columns = [[int(matrix[i][j]) for j in range(k)]
for i in range(n)]
self.nbits = []
for j in range(n):
m = 1
for x in self.columns[j]:
if abs(x) > m:
m = abs(x)
self.nbits.append(int(log2(m)) + 1)
def __init__(self,
group=None,
simplifier=None,
left=None,
right=None,
source=''):
if source:
self.fromFile(source)
return
assert left
assert right
assert group
assert simplifier
assert is_array(left)
assert is_array(right)
assert len(left) == len(
right), 'Ciphertext was not properly generated.'
assert len(left) > 1, 'Ciphertext is empty.'
assert (is_array(x) for x in left)
assert (is_array(x) for x in right)
assert (len(x) == 2 for x in left)
assert (len(x) == 2 for x in right)
self.n = len(left)
self.group = group
self.simplifier = simplifier
self.left = left
self.right = right
def detect(ts_data, ts_timestamp):
ts_data = is_array(ts_data)
ts_timestamp = is_array(ts_timestamp)
ts_data_ = ts_data - np.mean(ts_data)
lag, acf = interpolated_acf(ts_timestamp, ts_data_)
# TODO: 当使用csv_test.csv时，出现detected_period为non的情况
detected_period = dominant_period(lag, acf, plot=False)
interval = int(get_interval(ts_timestamp))
return int(detected_period // interval)
def __init__(self, group=None, h1=None, h2=None, source=''):
if source:
self.fromFile(source)
return
assert group
assert h1
assert is_array(h1)
assert is_array(h2)
assert len(h1) == len(h2)
self.group = group
self.n = len(h1)
self.h1 = h1
self.h2 = h2
def __init__(self, pk=None, s=None, t=None, source=''):
if source:
self.fromFile(source)
return
super(MasterKey, self).__init__(pk.group, pk.h1, pk.h2)
assert s
assert is_array(s)
assert len(s) == len(pk.h1)
assert t
assert is_array(t)
assert len(t) == len(pk.h1)
self.s = s
self.t = t
def __mul__(self, X):
if isinstance(X, EncryptedVector):
left = [[1, 1] for i in range(self.k)]
right = [[1, 1] for i in range(self.k)]
for j in range(self.n):
l1 = batch_exp(X.left[j][0], self.columns[j], self.nbits[j])
l2 = batch_exp(X.left[j][1], self.columns[j], self.nbits[j])
r1 = batch_exp(X.right[j][0], self.columns[j], self.nbits[j])
r2 = batch_exp(X.right[j][1], self.columns[j], self.nbits[j])
for i in range(self.k):
left[i][0] *= l1[i]
left[i][1] *= l2[i]
right[i][0] *= r1[i]
right[i][1] *= r2[i]
return EncryptedVector(
group=X.group,
simplifier=X.simplifier,
left=left,
right=right,
)
elif is_array(X):
import numpy as np
assert self.n == len(X)
return np.dot(np.transpose(self.columns), X)
else:
raise WrongInputError(X)
def __init__(self, model=None, skf=None, source=''):
if source:
self.fromFile(source)
return
assert model
assert skf
assert isinstance(model, MLModel)
assert is_array(skf)
classes = len(skf)
assert classes
self.classes = classes
self.model = model
self.skf = skf
def evaluate(self, X):
if isinstance(X, EncryptedVector):
return (self.proj * X) ** self.forms
elif isinstance(X, MasterKey):
Ps = self.proj * X.s
Pt = self.proj * X.t
element_wise_prod = np.multiply(Ps, Pt)
return np.dot(np.transpose(self.forms.content), element_wise_prod).tolist()
elif is_array(X):
PXsquared = np.square(self.proj * X)
return np.dot(np.transpose(self.forms.content), PXsquared)
else:
raise WrongInputError(X)
def __init__(self, array=None, source=''):
if source:
self.fromFile(source)
return
if is_array(array):
assert len(
array) > 0, 'Trying to generate an image from an empty vector.'
self.n = len(array)
self.content = []
for s in array:
assert is_scalar(s), "Input doesn't contain valid scalars."
self.content.append(int(s))
else:
WrongInputError(array)
def set_ts_label_array(self, ts_label_array):
if ts_label_array is None:
self.ts_label_array = None
else:
ts_label_array = is_array(ts_label_array)
self.ts_label_array = ts_label_array.copy()
def set_ts_timestamp_array(self, ts_timestamp_array):
ts_timestamp_array = is_array(ts_timestamp_array)
self.ts_timestamp_array = ts_timestamp_array.copy()
def set_ts_data_array(self, ts_data_array):
ts_data_array = is_array(ts_data_array)
self.ts_data_array = ts_data_array.copy()