code
string
signature
string
docstring
string
loss_without_docstring
float64
loss_with_docstring
float64
factor
float64
''' Set the test status to Report.FAILED, and set the failure reason :param reason: failure reason (default: None) ''' self.set_status(Report.FAILED) if reason: self.add('reason', reason)
def failed(self, reason=None)
Set the test status to Report.FAILED, and set the failure reason :param reason: failure reason (default: None)
5.526941
2.782223
1.98652
''' Set the test status to Report.ERROR, and set the error reason :param reason: error reason (default: None) ''' self.set_status(Report.ERROR) if reason: self.add('reason', reason)
def error(self, reason=None)
Set the test status to Report.ERROR, and set the error reason :param reason: error reason (default: None)
6.231572
2.865736
2.17451
''' Set the status of the report. :param new_status: the new status of the report (either PASSED, FAILED or ERROR) ''' if new_status not in Report.allowed_statuses: raise Exception('status must be one of: %s' % (', '.join(Report.allowed_statuses))) self._data...
def set_status(self, new_status)
Set the status of the report. :param new_status: the new status of the report (either PASSED, FAILED or ERROR)
3.559582
2.672451
1.331954
''' Add an entry to the report :param key: entry's key :param value: the actual value :example: :: my_report.add('retry count', 3) ''' if key in self.reserved_keys: raise Exception('You cannot add the key %s directly, us...
def add(self, key, value)
Add an entry to the report :param key: entry's key :param value: the actual value :example: :: my_report.add('retry count', 3)
4.358831
2.507502
1.738316
''' Get a value for a given key :param key: entry's key :return: corresponding value ''' if key in self._data_fields: return self._data_fields[key] if key in self._sub_reports: return self._sub_reports[key] return None
def get(self, key)
Get a value for a given key :param key: entry's key :return: corresponding value
4.294322
2.903847
1.478839
''' Return a dictionary version of the report :param encoding: required encoding for the string values (default: 'base64') :rtype: dictionary :return: dictionary representation of the report ''' res = {} for k, v in self._data_fields.items(): ...
def to_dict(self, encoding='base64')
Return a dictionary version of the report :param encoding: required encoding for the string values (default: 'base64') :rtype: dictionary :return: dictionary representation of the report
3.827471
2.613504
1.464498
''' Construct a ``Report`` object from dictionary. :type d: dictionary :param d: dictionary representing the report :param encoding: encoding of strings in the dictionary (default: 'base64') :return: Report object ''' report = Report(Report._decode(d['nam...
def from_dict(cls, d, encoding='base64')
Construct a ``Report`` object from dictionary. :type d: dictionary :param d: dictionary representing the report :param encoding: encoding of strings in the dictionary (default: 'base64') :return: Report object
2.897503
2.285706
1.267662
''' Get the status of the report and its sub-reports. :rtype: str :return: report status ('passed', 'failed' or 'error') ''' status = self.get('status') if status == Report.PASSED: for sr_name in self._sub_reports: sr = self._sub_repor...
def get_status(self)
Get the status of the report and its sub-reports. :rtype: str :return: report status ('passed', 'failed' or 'error')
3.240853
2.340652
1.384594
''' Make sure the monitor is ready for fuzzing ''' super(BaseMonitor, self).setup() self.monitor_thread = LoopFuncThread(self._monitor_func) self.monitor_thread.start()
def setup(self)
Make sure the monitor is ready for fuzzing
8.166111
4.042429
2.0201
''' cleanup the monitor data and ''' self.monitor_thread.stop() self.monitor_thread = None super(BaseMonitor, self).teardown()
def teardown(self)
cleanup the monitor data and
10.724062
6.386257
1.679241
''' :return: a copy of the container ''' dup = super(Container, self).copy() dup._fields = [field.copy() for field in self._fields] dup._fields_dict = {field.get_name(): field for field in dup._fields if field.get_name() is not None} dup._containers = [] f...
def copy(self)
:return: a copy of the container
3.33606
3.054133
1.09231
''' :rtype: int :return: hash of the container ''' hashed = super(Container, self).hash() for f in self._fields: f_hashed = f.hash() hashed = khash(hashed + f_hashed) return hashed
def hash(self)
:rtype: int :return: hash of the container
5.078002
3.996672
1.270558
''' :return: number of mutations in the container ''' self._initialize() res = super(Container, self).num_mutations() return res
def num_mutations(self)
:return: number of mutations in the container
8.126109
4.964565
1.636822
''' :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container ''' self._initialize() render_count = 1 if ctx is None: ctx = RenderContext() if self._need_second_pass: ...
def render(self, ctx=None)
:param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container
4.500278
3.601419
1.249585
''' Set the absolute offset of current field, if the field should have default value, set the offset of the sub fields as well. :param offset: absolute offset of this field (in bits) ''' super(Container, self).set_offset(offset) if self.is_default(): ...
def set_offset(self, offset)
Set the absolute offset of current field, if the field should have default value, set the offset of the sub fields as well. :param offset: absolute offset of this field (in bits)
7.008432
2.682554
2.612597
''' Reset the state of the container and its internal fields ''' super(Container, self).reset() for field in self._fields: field.reset() self._field_idx = 0
def reset(self)
Reset the state of the container and its internal fields
6.632251
3.433505
1.931627
''' Scan for a field in the container and its enclosed fields :param field_key: name of field to look for :return: field with name that matches field_key, None if not found ''' if field_key == self.get_name(): return self if field_key in self._fields_...
def scan_for_field(self, field_key)
Scan for a field in the container and its enclosed fields :param field_key: name of field to look for :return: field with name that matches field_key, None if not found
2.874047
1.82204
1.577379
''' Set session data in the container enclosed fields :param session_data: dictionary of session data ''' if session_data: for field in self._fields: if isinstance(field, (Container, Dynamic)): field.set_session_data(session_data)
def set_session_data(self, session_data)
Set session data in the container enclosed fields :param session_data: dictionary of session data
5.850775
3.096312
1.889595
''' Checks if the field is in its default form :return: True if field is in default form ''' for field in self._fields: if not field.is_default(): return False return super(Container, self).is_default()
def is_default(self)
Checks if the field is in its default form :return: True if field is in default form
5.840049
3.339364
1.748851
''' Prepare to run (if not ready) ''' num = 0 for field in self._fields: field._initialize() self._need_second_pass |= field._need_second_pass for field in self._fields: num += field.num_mutations() self._calculate_mutations(num...
def _init(self)
Prepare to run (if not ready)
8.838924
6.105817
1.447624
''' Mutate enclosed fields ''' for i in range(self._field_idx, len(self._fields)): self._field_idx = i if self._current_field().mutate(): return True self._current_field().reset() return False
def _mutate(self)
Mutate enclosed fields
6.319129
4.227699
1.494697
''' :param name: name of field to get :return: direct sub-field with the given name :raises: :class:`~kitty.core.KittyException` if no direct subfield with this name ''' if name in self._fields_dict: return self._fields_dict[name] raise KittyException(...
def get_field_by_name(self, name)
:param name: name of field to get :return: direct sub-field with the given name :raises: :class:`~kitty.core.KittyException` if no direct subfield with this name
5.342761
2.397299
2.228659
''' Add fields to the container :param new_fields: fields to append ''' for field in new_fields: self.push(field) if isinstance(field, Container): self.pop()
def append_fields(self, new_fields)
Add fields to the container :param new_fields: fields to append
5.422048
3.907085
1.387748
''' :param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered ''' if ctx is None: ctx = RenderContext() ctx.push(self) result = [] for f in self._fields: if len(f.render(c...
def get_rendered_fields(self, ctx=None)
:param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered
3.76248
2.362536
1.59256
''' Get info regarding the current fuzzed enclosed node :return: info dictionary ''' field = self._current_field() if field: info = field.get_info() info['path'] = '%s/%s' % (self.name if self.name else '<no name>', info['path']) else: ...
def get_info(self)
Get info regarding the current fuzzed enclosed node :return: info dictionary
6.617679
3.677948
1.799286
''' Remove a the top container from the container stack ''' if not self._containers: raise KittyException('no container to pop') self._containers.pop() if self._container(): self._container().pop()
def pop(self)
Remove a the top container from the container stack
10.049918
5.411751
1.857055
''' Add a field to the container, if the field is a Container itself, it should be poped() when done pushing into it :param field: BaseField to push ''' kassert.is_of_types(field, BaseField) container = self._container() field.enclosing = self if isinstan...
def push(self, field)
Add a field to the container, if the field is a Container itself, it should be poped() when done pushing into it :param field: BaseField to push
5.792693
3.232908
1.79179
''' :rtype: int :return: hash of the container ''' hashed = super(ForEach, self).hash() return khash(hashed + self._mutated_field.hash())
def hash(self)
:rtype: int :return: hash of the container
13.185617
9.601387
1.373303
''' Reset the state of the container and its internal fields :param reset_mutated: should reset the mutated field too (default: True) ''' super(ForEach, self).reset() if reset_mutated: self._mutated_field.reset()
def reset(self, reset_mutated=True)
Reset the state of the container and its internal fields :param reset_mutated: should reset the mutated field too (default: True)
5.999692
2.635894
2.276151
''' :param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered ''' res = [] if ctx is None: ctx = RenderContext() if self._evaluate_condition(ctx): ctx.push(self) res =...
def get_rendered_fields(self, ctx=None)
:param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered
4.267408
2.709932
1.574729
''' Copy the container, put an invalidated copy of the condition in the new container ''' dup = super(Conditional, self).copy() condition = self._condition.copy() condition.invalidate(self) dup._condition = condition return dup
def copy(self)
Copy the container, put an invalidated copy of the condition in the new container
10.413318
3.858274
2.698957
''' :rtype: int :return: hash of the container ''' hashed = super(Conditional, self).hash() return khash(hashed, self._condition.hash())
def hash(self)
:rtype: int :return: hash of the container
9.843451
6.945713
1.417198
''' Only render if condition applies :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container ''' if ctx is None: ctx = RenderContext() self._initialize() if self in ctx: ...
def render(self, ctx=None)
Only render if condition applies :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container
6.29534
3.551591
1.772541
''' :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container, padded if needed ''' super(Pad, self).render(ctx) self.set_current_value(self._pad_buffer(self._current_rendered)) return self._curren...
def render(self, ctx=None)
:param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container, padded if needed
8.351328
3.323041
2.513158
''' :rtype: int :return: hash of the container ''' hashed = super(Pad, self).hash() return khash(hashed, self._pad_length, self._pad_data)
def hash(self)
:rtype: int :return: hash of the container
9.099562
6.758224
1.346443
''' Make sure that the arguments are valid :raises: KittyException if not valid ''' kassert.is_int(min_times) kassert.is_int(max_times) kassert.is_int(step) if not((min_times >= 0) and (max_times > 0) and (max_times >= min_times) and (step > 0)): ...
def _check_times(self, min_times, max_times, step)
Make sure that the arguments are valid :raises: KittyException if not valid
3.266326
2.44398
1.336478
''' :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container, repeated ''' self._initialize() times = self._min_times if self._mutating() and self._in_repeat_stage(): times += (self._c...
def render(self, ctx=None)
:param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container, repeated
10.214563
5.555305
1.838704
''' :param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered ''' times = self._min_times if self._mutating() and self._in_repeat_stage(): times += (self._current_index) * self._step return s...
def get_rendered_fields(self, ctx=None)
:param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered
9.761345
6.014159
1.623061
''' :rtype: int :return: hash of the container ''' hashed = super(Repeat, self).hash() return khash(hashed, self._min_times, self._max_times, self._step, self._repeats)
def hash(self)
:rtype: int :return: hash of the container
7.150967
5.618357
1.272786
''' Render only the mutated field (or the first one if not in mutation) :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container ''' if ctx is None: ctx = RenderContext() ctx.push(sel...
def render(self, ctx=None)
Render only the mutated field (or the first one if not in mutation) :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container
5.954213
2.804898
2.122791
''' :param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered ''' if ctx is None: ctx = RenderContext() ctx.push(self) current = self._fields[self._field_idx] res = current.get_render...
def get_rendered_fields(self, ctx=None)
:param ctx: rendering context in which the method was called :return: ordered list of the fields that will be rendered
4.54933
2.858563
1.591475
''' Render only a single field (see class docstring for more details) :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container ''' if ctx is None: ctx = RenderContext() ctx.push(self)...
def render(self, ctx=None)
Render only a single field (see class docstring for more details) :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container
4.270265
2.903851
1.470553
''' We take the original fields and create subsets of them, each subset will be set into a container. all the resulted containers will then replace the original _fields, since we inherit from OneOf each time only one of them will be mutated and used. This is super ugly and dangerous, any...
def _rebuild_fields(self)
We take the original fields and create subsets of them, each subset will be set into a container. all the resulted containers will then replace the original _fields, since we inherit from OneOf each time only one of them will be mutated and used. This is super ugly and dangerous, any idea how to impleme...
4.837975
2.383839
2.029489
''' Reset the state of the container and its internal fields ''' super(TakeFrom, self).reset() self.random.seed(self.seed * self.max_elements + self.min_elements)
def reset(self)
Reset the state of the container and its internal fields
11.901283
6.168174
1.929466
''' :rtype: int :return: hash of the container ''' hashed = super(TakeFrom, self).hash() return khash(hashed, self.min_elements, self.max_elements, self.seed)
def hash(self)
:rtype: int :return: hash of the container
8.61068
6.660174
1.292861
''' Get info regarding the current template state :return: info dictionary ''' self.render() info = super(Template, self).get_info() res = {} res['name'] = self.get_name() res['mutation'] = { 'current_index': self._current_index, ...
def get_info(self)
Get info regarding the current template state :return: info dictionary
4.644556
3.849368
1.206576
''' :param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container ''' super(Trunc, self).render(ctx) self._current_value = self._current_rendered self._current_rendered = self._current_rendered[:self._...
def render(self, ctx=None)
:param ctx: rendering context in which the method was called :rtype: `Bits` :return: rendered value of the container
6.227097
3.184348
1.955533
''' :rtype: int :return: hash of the container ''' hashed = super(Trunc, self).hash() return khash(hashed, self._max_size)
def hash(self)
:rtype: int :return: hash of the container
11.11286
8.019924
1.385656
''' :param container: the container that tries to invalidate the condition ''' self._get_ready(container) field_name = self._field.get_name() if field_name is None: raise KittyException('Cannot invalidate field without name') self._field_name = field_n...
def invalidate(self, container)
:param container: the container that tries to invalidate the condition
7.085989
4.920944
1.439965
''' Subclasses should not override `applies`, but instead they should override `_applies`, which has the same syntax as `applies`. In the `_applies` method the condition is guaranteed to have a reference to the desired field, as `self._field`. :type container: :class:`~kitty.model.low_l...
def applies(self, container, ctx)
Subclasses should not override `applies`, but instead they should override `_applies`, which has the same syntax as `applies`. In the `_applies` method the condition is guaranteed to have a reference to the desired field, as `self._field`. :type container: :class:`~kitty.model.low_level.container.Conta...
9.070117
1.547605
5.860745
''' :rtype: int :return: hash of the condition ''' hashed = super(Compare, self).hash() return khash(hashed, self._comp_value, self._comp_type)
def hash(self)
:rtype: int :return: hash of the condition
8.734194
6.332614
1.37924
log("Generating a paillier keypair with keysize of {}".format(keysize)) pub, priv = phe.generate_paillier_keypair(n_length=keysize) log("Keys generated") date = datetime.datetime.now().strftime("%Y-%m-%d %H:%M:%S") jwk_public = { 'kty': "DAJ", 'alg': "PAI-GN1", "key_op...
def generate_keypair(keysize, id, output)
Generate a paillier private key. Output as JWK to given output file. Use "-" to output the private key to stdout. See the extract command to extract the public component of the private key. Note: The default ID text includes the current time.
2.74264
2.728807
1.005069
log("Loading paillier keypair") priv = json.load(input) error_msg = "Invalid private key" assert 'pub' in priv, error_msg assert priv['kty'] == 'DAJ', error_msg json.dump(priv['pub'], output) output.write('\n') log("Public key written to {}".format(output.name))
def extract(input, output)
Extract public key from private key. Given INPUT a private paillier key file as generated by generate, extract the public key portion to OUTPUT. Use "-" to output to stdout.
6.113165
5.890621
1.037779
num = float(plaintext) log("Loading public key") publickeydata = json.load(public) pub = load_public_key(publickeydata) log("Encrypting: {:+.16f}".format(num)) enc = pub.encrypt(num) serialised = serialise_encrypted(enc) print(serialised, file=output)
def encrypt(public, plaintext, output=None)
Encrypt a number with public key. The PLAINTEXT input will be interpreted as a floating point number. Output will be a JSON object with a "v" attribute containing the ciphertext as a string, and "e" the exponent as a Number, where possible fixed at -32. Note if you are passing a negative number t...
5.806433
5.735622
1.012346
privatekeydata = json.load(private) assert 'pub' in privatekeydata pub = load_public_key(privatekeydata['pub']) log("Loading private key") private_key_error = "Invalid private key" assert 'key_ops' in privatekeydata, private_key_error assert "decrypt" in privatekeydata['key_ops'], priv...
def decrypt(private, ciphertext, output)
Decrypt ciphertext with private key. Requires PRIVATE key file and the CIPHERTEXT encrypted with the corresponding public key.
2.918039
2.989194
0.976196
log("Loading public key") publickeydata = json.load(public) pub = load_public_key(publickeydata) log("Loading first encrypted number") enc_a = load_encrypted_number(encrypted_a, pub) log("Loading second encrypted number") enc_b = load_encrypted_number(encrypted_b, pub) log("Addin...
def add_encrypted(public, encrypted_a, encrypted_b, output)
Add two encrypted numbers together.
2.94558
2.741836
1.07431
log("Loading public key") publickeydata = json.load(public) pub = load_public_key(publickeydata) log("Loading encrypted number") enc = load_encrypted_number(encrypted, pub) log("Loading unencrypted number") num = float(plaintext) log("Multiplying") enc_result = enc * num ...
def multiply_encrypted_to_plaintext(public, encrypted, plaintext, output)
Multiply encrypted num with unencrypted num. Requires a PUBLIC key file, a number ENCRYPTED with that public key also as a file, and the PLAINTEXT number to multiply. Creates a new encrypted number.
3.88222
3.483373
1.1145
n_datasets = 2 for d in range(1, n_datasets + 1): if not os.path.isdir('enron%d' % d): URL = url[d-1] print("Downloading %d/%d: %s" % (d, n_datasets, URL)) folderzip = 'enron%d.zip' % d with urlopen(URL) as remotedata: with open(fol...
def download_data()
Download two sets of Enron1 spam/ham e-mails if they are not here We will use the first as trainset and the second as testset. Return the path prefix to us to load the data from disk.
3.248063
3.030486
1.071796
print("Importing dataset from disk...") path = 'enron1/ham/' ham1 = [open(path + f, 'r', errors='replace').read().strip(r"\n") for f in os.listdir(path) if os.path.isfile(path + f)] path = 'enron1/spam/' spam1 = [open(path + f, 'r', errors='replace').read().strip(r"\n") ...
def preprocess_data()
Get the Enron e-mails from disk. Represent them as bag-of-words. Shuffle and split train/test.
2.001433
1.951459
1.025609
score = self.intercept _, idx = x.nonzero() for i in idx: score += x[0, i] * self.weights[i] return score
def encrypted_score(self, x)
Compute the score of `x` by multiplying with the encrypted model, which is a vector of `paillier.EncryptedNumber`
4.608332
5.330652
0.864497
print("Loading data") diabetes = load_diabetes() y = diabetes.target X = diabetes.data # Add constant to emulate intercept X = np.c_[X, np.ones(X.shape[0])] # The features are already preprocessed # Shuffle perm = np.random.permutation(X.shape[0]) X, y = X[perm, :], y[perm]...
def get_data(n_clients)
Import the dataset via sklearn, shuffle and split train/test. Return training, target lists for `n_clients` and a holdout test set
2.368969
2.358215
1.00456
for _ in range(n_iter): gradient = self.compute_gradient() self.gradient_step(gradient, eta)
def fit(self, n_iter, eta=0.01)
Linear regression for n_iter
3.733062
4.586977
0.813839
delta = self.predict(self.X) - self.y return delta.dot(self.X) / len(self.X)
def compute_gradient(self)
Compute the gradient of the current model using the training set
4.642603
4.019639
1.15498
gradient = self.compute_gradient() encrypted_gradient = encrypt_vector(self.pubkey, gradient) if sum_to is not None: return sum_encrypted_vectors(sum_to, encrypted_gradient) else: return encrypted_gradient
def encrypted_gradient(self, sum_to=None)
Compute and encrypt gradient. When `sum_to` is given, sum the encrypted gradient to it, assumed to be another vector of the same size
3.085436
3.498046
0.882046
p = q = n = None n_len = 0 while n_len != n_length: p = getprimeover(n_length // 2) q = p while q == p: q = getprimeover(n_length // 2) n = p * q n_len = n.bit_length() public_key = PaillierPublicKey(n) private_key = PaillierPrivateKey(public...
def generate_paillier_keypair(private_keyring=None, n_length=DEFAULT_KEYSIZE)
Return a new :class:`PaillierPublicKey` and :class:`PaillierPrivateKey`. Add the private key to *private_keyring* if given. Args: private_keyring (PaillierPrivateKeyring): a :class:`PaillierPrivateKeyring` on which to store the private key. n_length: key size in bits. Returns:...
2.266173
2.4059
0.941924
if not isinstance(plaintext, int): raise TypeError('Expected int type plaintext but got: %s' % type(plaintext)) if self.n - self.max_int <= plaintext < self.n: # Very large plaintext, take a sneaky shortcut using inverses neg_plai...
def raw_encrypt(self, plaintext, r_value=None)
Paillier encryption of a positive integer plaintext < :attr:`n`. You probably should be using :meth:`encrypt` instead, because it handles positive and negative ints and floats. Args: plaintext (int): a positive integer < :attr:`n` to be Paillier encrypted. Typically this ...
5.141583
4.995429
1.029258
if isinstance(value, EncodedNumber): encoding = value else: encoding = EncodedNumber.encode(self, value, precision) return self.encrypt_encoded(encoding, r_value)
def encrypt(self, value, precision=None, r_value=None)
Encode and Paillier encrypt a real number *value*. Args: value: an int or float to be encrypted. If int, it must satisfy abs(*value*) < :attr:`n`/3. If float, it must satisfy abs(*value* / *precision*) << :attr:`n`/3 (i.e. if a float is near the limit t...
4.64605
4.214241
1.102464
# If r_value is None, obfuscate in a call to .obfuscate() (below) obfuscator = r_value or 1 ciphertext = self.raw_encrypt(encoding.encoding, r_value=obfuscator) encrypted_number = EncryptedNumber(self, ciphertext, encoding.exponent) if r_value is None: encryp...
def encrypt_encoded(self, encoding, r_value)
Paillier encrypt an encoded value. Args: encoding: The EncodedNumber instance. r_value (int): obfuscator for the ciphertext; by default (i.e. if *r_value* is None), a random value is used. Returns: EncryptedNumber: An encryption of *value*.
5.814976
4.811801
1.208482
p_plus_q = public_key.n - totient + 1 p_minus_q = isqrt(p_plus_q * p_plus_q - public_key.n * 4) q = (p_plus_q - p_minus_q) // 2 p = p_plus_q - q if not p*q == public_key.n: raise ValueError('given public key and totient do not match.') return Paillier...
def from_totient(public_key, totient)
given the totient, one can factorize the modulus The totient is defined as totient = (p - 1) * (q - 1), and the modulus is defined as modulus = p * q Args: public_key (PaillierPublicKey): The corresponding public key totient (int): the totient of the modulus ...
3.132493
3.34284
0.937075
if not isinstance(encrypted_number, EncryptedNumber): raise TypeError('Expected encrypted_number to be an EncryptedNumber' ' not: %s' % type(encrypted_number)) if self.public_key != encrypted_number.public_key: raise ValueError('encrypted_num...
def decrypt_encoded(self, encrypted_number, Encoding=None)
Return the :class:`EncodedNumber` decrypted from *encrypted_number*. Args: encrypted_number (EncryptedNumber): an :class:`EncryptedNumber` with a public key that matches this private key. Encoding (class): A class to use instead of :class:`EncodedNumber`, the ...
3.948947
3.268414
1.208215
if not isinstance(ciphertext, int): raise TypeError('Expected ciphertext to be an int, not: %s' % type(ciphertext)) decrypt_to_p = self.l_function(powmod(ciphertext, self.p-1, self.psquare), self.p) * self.hp % self.p decrypt_to_q = self.l_function(powmod(ci...
def raw_decrypt(self, ciphertext)
Decrypt raw ciphertext and return raw plaintext. Args: ciphertext (int): (usually from :meth:`EncryptedNumber.ciphertext()`) that is to be Paillier decrypted. Returns: int: Paillier decryption of ciphertext. This is a positive integer < :attr:`public_key.n`. ...
3.532613
3.519472
1.003734
return invert(self.l_function(powmod(self.public_key.g, x - 1, xsquare),x), x)
def h_function(self, x, xsquare)
Computes the h-function as defined in Paillier's paper page 12, 'Decryption using Chinese-remaindering'.
16.556591
12.13914
1.363901
u = (mq - mp) * self.p_inverse % self.q return mp + (u * self.p)
def crt(self, mp, mq)
The Chinese Remainder Theorem as needed for decryption. Returns the solution modulo n=pq. Args: mp(int): the solution modulo p. mq(int): the solution modulo q.
9.760673
8.877318
1.099507
if not isinstance(private_key, PaillierPrivateKey): raise TypeError("private_key should be of type PaillierPrivateKey, " "not %s" % type(private_key)) self.__keyring[private_key.public_key] = private_key
def add(self, private_key)
Add a key to the keyring. Args: private_key (PaillierPrivateKey): a key to add to this keyring.
3.092777
2.587301
1.195368
relevant_private_key = self.__keyring[encrypted_number.public_key] return relevant_private_key.decrypt(encrypted_number)
def decrypt(self, encrypted_number)
Return the decrypted & decoded plaintext of *encrypted_number*. Args: encrypted_number (EncryptedNumber): encrypted against a known public key, i.e., one for which the private key is on this keyring. Returns: the int or float that *encrypted_number* was holding. N.B. if...
7.012901
5.282915
1.327468
if be_secure and not self.__is_obfuscated: self.obfuscate() return self.__ciphertext
def ciphertext(self, be_secure=True)
Return the ciphertext of the EncryptedNumber. Choosing a random number is slow. Therefore, methods like :meth:`__add__` and :meth:`__mul__` take a shortcut and do not follow Paillier encryption fully - every encrypted sum or product should be multiplied by r ** :attr:`~PaillierP...
6.122099
8.856503
0.691255
if new_exp > self.exponent: raise ValueError('New exponent %i should be more negative than ' 'old exponent %i' % (new_exp, self.exponent)) multiplied = self * pow(EncodedNumber.BASE, self.exponent - new_exp) multiplied.exponent = new_exp ...
def decrease_exponent_to(self, new_exp)
Return an EncryptedNumber with same value but lower exponent. If we multiply the encoded value by :attr:`EncodedNumber.BASE` and decrement :attr:`exponent`, then the decoded value does not change. Thus we can almost arbitrarily ratchet down the exponent of an `EncryptedNumber` - we only...
4.329906
3.575859
1.210871
r = self.public_key.get_random_lt_n() r_pow_n = powmod(r, self.public_key.n, self.public_key.nsquare) self.__ciphertext = self.__ciphertext * r_pow_n % self.public_key.nsquare self.__is_obfuscated = True
def obfuscate(self)
Disguise ciphertext by multiplying by r ** n with random r. This operation must be performed for every `EncryptedNumber` that is sent to an untrusted party, otherwise eavesdroppers might deduce relationships between this and an antecedent `EncryptedNumber`. For example:: ...
4.915112
4.437598
1.107606
encoded = EncodedNumber.encode(self.public_key, scalar, max_exponent=self.exponent) return self._add_encoded(encoded)
def _add_scalar(self, scalar)
Returns E(a + b), given self=E(a) and b. Args: scalar: an int or float b, to be added to `self`. Returns: EncryptedNumber: E(a + b), calculated by encrypting b and taking the product of E(a) and E(b) modulo :attr:`~PaillierPublicKey.n` ** 2. Raises:...
11.495105
12.240195
0.939128
if self.public_key != encoded.public_key: raise ValueError("Attempted to add numbers encoded against " "different public keys!") # In order to add two numbers, their exponents must match. a, b = self, encoded if a.exponent > b.exponent: ...
def _add_encoded(self, encoded)
Returns E(a + b), given self=E(a) and b. Args: encoded (EncodedNumber): an :class:`EncodedNumber` to be added to `self`. Returns: EncryptedNumber: E(a + b), calculated by encrypting b and taking the product of E(a) and E(b) modulo :attr:`~Paillie...
6.178184
5.443032
1.135063
if self.public_key != other.public_key: raise ValueError("Attempted to add numbers encrypted against " "different public keys!") # In order to add two numbers, their exponents must match. a, b = self, other if a.exponent > b.exponent: ...
def _add_encrypted(self, other)
Returns E(a + b) given E(a) and E(b). Args: other (EncryptedNumber): an `EncryptedNumber` to add to self. Returns: EncryptedNumber: E(a + b), calculated by taking the product of E(a) and E(b) modulo :attr:`~PaillierPublicKey.n` ** 2. Raises: ValueErro...
3.880917
3.533183
1.09842
if not isinstance(plaintext, int): raise TypeError('Expected ciphertext to be int, not %s' % type(plaintext)) if plaintext < 0 or plaintext >= self.public_key.n: raise ValueError('Scalar out of bounds: %i' % plaintext) if self.public_key.n - sel...
def _raw_mul(self, plaintext)
Returns the integer E(a * plaintext), where E(a) = ciphertext Args: plaintext (int): number by which to multiply the `EncryptedNumber`. *plaintext* is typically an encoding. 0 <= *plaintext* < :attr:`~PaillierPublicKey.n` Returns: int: Encryption of the prod...
3.830436
3.682315
1.040225
# Calculate the maximum exponent for desired precision if precision is None: if isinstance(scalar, int): prec_exponent = 0 elif isinstance(scalar, float): # Encode with *at least* as much precision as the python float # Wha...
def encode(cls, public_key, scalar, precision=None, max_exponent=None)
Return an encoding of an int or float. This encoding is carefully chosen so that it supports the same operations as the Paillier cryptosystem. If *scalar* is a float, first approximate it as an int, `int_rep`: scalar = int_rep * (:attr:`BASE` ** :attr:`exponent`), for som...
5.198955
4.984787
1.042964
if self.encoding >= self.public_key.n: # Should be mod n raise ValueError('Attempted to decode corrupted number') elif self.encoding <= self.public_key.max_int: # Positive mantissa = self.encoding elif self.encoding >= self.public_key.n - ...
def decode(self)
Decode plaintext and return the result. Returns: an int or float: the decoded number. N.B. if the number returned is an integer, it will not be of type float. Raises: OverflowError: if overflow is detected in the decrypted number.
5.624382
5.205249
1.080521
if new_exp > self.exponent: raise ValueError('New exponent %i should be more negative than' 'old exponent %i' % (new_exp, self.exponent)) factor = pow(self.BASE, self.exponent - new_exp) new_enc = self.encoding * factor % self.public_key.n ...
def decrease_exponent_to(self, new_exp)
Return an `EncodedNumber` with same value but lower exponent. If we multiply the encoded value by :attr:`BASE` and decrement :attr:`exponent`, then the decoded value does not change. Thus we can almost arbitrarily ratchet down the exponent of an :class:`EncodedNumber` - we only run into...
3.465155
3.850158
0.900003
if a == 1: return 1 if not HAVE_GMP or max(a, b, c) < _USE_MOD_FROM_GMP_SIZE: return pow(a, b, c) else: return int(gmpy2.powmod(a, b, c))
def powmod(a, b, c)
Uses GMP, if available, to do a^b mod c where a, b, c are integers. :return int: (a ** b) % c
4.753076
4.283771
1.109554
r0, r1 = a, b s0, s1 = 1, 0 t0, t1 = 0, 1 while r1 != 0: q = r0 // r1 r0, r1 = r1, r0 - q*r1 s0, s1 = s1, s0 - q*s1 t0, t1 = t1, t0 - q*t1 return r0, s0, t0
def extended_euclidean_algorithm(a, b)
Extended Euclidean algorithm Returns r, s, t such that r = s*a + t*b and r is gcd(a, b) See <https://en.wikipedia.org/wiki/Extended_Euclidean_algorithm>
1.286196
1.42856
0.900344
if HAVE_GMP: s = int(gmpy2.invert(a, b)) # according to documentation, gmpy2.invert might return 0 on # non-invertible element, although it seems to actually raise an # exception; for consistency, we always raise the exception if s == 0: raise ZeroDivisionErr...
def invert(a, b)
The multiplicitive inverse of a in the integers modulo b. :return int: x, where a * x == 1 mod b
4.724941
4.804534
0.983434
if HAVE_GMP: randfunc = random.SystemRandom() r = gmpy2.mpz(randfunc.getrandbits(N)) r = gmpy2.bit_set(r, N - 1) return int(gmpy2.next_prime(r)) elif HAVE_CRYPTO: return number.getPrime(N, os.urandom) else: randfunc = random.SystemRandom() n = ran...
def getprimeover(N)
Return a random N-bit prime number using the System's best Cryptographic random source. Use GMP if available, otherwise fallback to PyCrypto
3.228407
2.903934
1.111736
assert n >= 0 if n == 0: return 0 i = n.bit_length() >> 1 # i = floor( (1 + floor(log_2(n))) / 2 ) m = 1 << i # m = 2^i # # Fact: (2^(i + 1))^2 > n, so m has at least as many bits # as the floor of the square root of n. # # Proof: (2^(i+1))^2 = 2^(2i + 2) >= 2^(flo...
def improved_i_sqrt(n)
taken from http://stackoverflow.com/questions/15390807/integer-square-root-in-python Thanks, mathmandan
3.919852
3.860782
1.0153
assert n > 3 # find r and d such that n-1 = 2^r × d d = n-1 r = 0 while d % 2 == 0: d //= 2 r += 1 assert n-1 == d * 2**r assert d % 2 == 1 for _ in range(k): # each iteration divides risk of false prime by 4 a = random.randint(2, n-2) # choose a random w...
def miller_rabin(n, k)
Run the Miller-Rabin test on n with at most k iterations Arguments: n (int): number whose primality is to be tested k (int): maximum number of iterations to run Returns: bool: If n is prime, then True is returned. Otherwise, False is returned, except with probability less than ...
3.143853
3.254876
0.96589
# as an optimization we quickly detect small primes using the list above if n <= first_primes[-1]: return n in first_primes # for small dividors (relatively frequent), euclidean division is best for p in first_primes: if n % p == 0: return False # the actual generic ...
def is_prime(n, mr_rounds=25)
Test whether n is probably prime See <https://en.wikipedia.org/wiki/Primality_test#Probabilistic_tests> Arguments: n (int): the number to be tested mr_rounds (int, optional): number of Miller-Rabin iterations to run; defaults to 25 iterations, which is what the GMP library uses ...
11.76515
12.463901
0.943938
infomapWrapper = infomap.Infomap("--two-level") print("Building Infomap network from a NetworkX graph...") for e in G.edges(): infomapWrapper.addLink(*e) print("Find communities with Infomap...") infomapWrapper.run(); tree = infomapWrapper.tree print("Found %d top modules with codelength: %f" % (tree.n...
def findCommunities(G)
Partition network with the Infomap algorithm. Annotates nodes with 'community' id and return number of communities found.
4.560814
4.12239
1.106352
try: subprocess.check_output(["hcitool", "clock"], stderr=subprocess.STDOUT) except subprocess.CalledProcessError: raise BackendError("'hcitool clock' returned error. Make sure " "your bluetooth device is...
def setup(self)
Check if the bluetooth controller is available.
4.859101
3.953403
1.229093
try: res = subprocess.check_output(["hcitool", "scan", "--flush"], stderr=subprocess.STDOUT) except subprocess.CalledProcessError: raise BackendError("'hcitool scan' returned error. Make sure " "y...
def scan(self)
Scan for bluetooth devices.
4.535132
4.022546
1.127428
for bdaddr, name in self.scan(): if name == "Wireless Controller": self.logger.info("Found device {0}", bdaddr) return BluetoothDS4Device.connect(bdaddr)
def find_device(self)
Scan for bluetooth devices and return a DS4 device if found.
10.884939
5.650607
1.926331
log_msg = True while True: if log_msg: self.logger.info("Scanning for devices") try: device = self.find_device() if device: yield device log_msg = True else: ...
def devices(self)
Wait for new DS4 devices to appear.
3.332456
3.133299
1.063561
@wraps(self.callback) def callback(): os.read(self.timer, 8) repeat = self.callback(*args, **kwargs) if not repeat: self.stop() spec = timerfd.itimerspec(self.interval, self.interval) timerfd.settime(self.timer, 0, spec) ...
def start(self, *args, **kwargs)
Starts the timer. If the callback returns True the timer will be restarted.
4.976084
4.527676
1.099037
if not isinstance(fd, int): fd = fd.fileno() self.callbacks[fd] = callback self.epoll.register(fd, EPOLLIN)
def add_watcher(self, fd, callback)
Starts watching a non-blocking fd for data.
3.435199
3.130661
1.097276
if not isinstance(fd, int): fd = fd.fileno() if fd not in self.callbacks: return self.callbacks.pop(fd, None) self.epoll.unregister(fd)
def remove_watcher(self, fd)
Stops watching a fd.
3.064345
2.876165
1.065427