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Function getRandomNumber has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def getRandomNumber(low, high):
    assert low < high
    howManyBits = numBits(high)
    howManyBytes = numBytes(high)
    lastBits = howManyBits % 8
Severity: Minor
Found in tlslite/utils/cryptomath.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function _parse_type has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def _parse_type(parser):
        """Decode the ASN.1 DER type field"""
        header = parser.get(1)
        tag_class = (header & 0xc0) >> 6
        tag_is_primitive = (header & 0x20) >> 5
Severity: Minor
Found in tlslite/utils/asn1parser.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function _init_context has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

        def _init_context(self, encrypt=True):
            if len(self._key) == 16:
                cipherType = m2.aes_128_cbc()
            if len(self._key) == 24:
                cipherType = m2.aes_192_cbc()
Severity: Minor
Found in tlslite/utils/openssl_aes.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function parsePEMKey has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def parsePEMKey(s, private=False, public=False, passwordCallback=None,
                implementations=["openssl", "python"]):
    """Parse a PEM-format key.

    The PEM format is used by OpenSSL and other tools.  The
Severity: Minor
Found in tlslite/utils/keyfactory.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function inReadEvent has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def inReadEvent(self):
        """Tell the state machine it can read from the socket."""
        try:
            self._checkAssert()
            if self.handshaker:
Severity: Minor
Found in tlslite/integration/asyncstatemachine.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function create has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def create(self, hostname=None, hostNames=None, serverNames=None):
        """
        Initializes an instance with provided hostname, host names or
        raw server names.
Severity: Minor
Found in tlslite/extensions.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function createAESCCM has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def createAESCCM(key, implList=None):
    """ Create a new AESCCM object.

    :type key: bytearray
    :param key: A 16 or 32 byte byte array to serve as key.
Severity: Minor
Found in tlslite/utils/cipherfactory.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function decrypt has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def decrypt(self, encBytes):
        """Decrypt the passed-in bytes.

        This requires the key to have a private component.  It performs
        PKCS#1 v1.5 decryption operation of the passed-in data.
Severity: Minor
Found in tlslite/utils/rsakey.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function parsePEM has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def parsePEM(s, passwordCallback=None):
        """Parse a string containing a PEM-encoded <privateKey>."""

        if pemSniff(s, "PRIVATE KEY"):
            bytes = dePem(s, "PRIVATE KEY")
Severity: Minor
Found in tlslite/utils/python_key.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function _init_context has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

        def _init_context(self, encrypt=True):
            if len(self.key) == 16:
                cipherType = m2.aes_128_ctr()
            if len(self.key) == 24:
                cipherType = m2.aes_192_ctr()
Severity: Minor
Found in tlslite/utils/openssl_aes.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function numberToByteArray has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def numberToByteArray(n, howManyBytes=None, endian="big"):
    """
    Convert an integer into a bytearray, zero-pad to howManyBytes.

    The returned bytearray may be smaller than howManyBytes, but will
Severity: Minor
Found in tlslite/utils/cryptomath.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function createAESCCM_8 has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def createAESCCM_8(key, implList=None):
    """ Create a new AESCCM object with truncated tag.

    :type key: bytearray
    :param key: A 16 or 32 byte byte array to serve as key.
Severity: Minor
Found in tlslite/utils/cipherfactory.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function crypt has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def crypt(self, data, crypt_type):
        """Crypt the data in blocks, running it through des_crypt()."""

        iv = self.__string_to_bitlist(self.iv)
Severity: Minor
Found in tlslite/utils/python_tripledes.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function makefile has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def makefile(self, mode='r', bufsize=-1):
        """Create a file object for the TLS connection (socket emulation).

        :rtype: socket._fileobject
        """
Severity: Minor
Found in tlslite/tlsrecordlayer.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function bytes_to_int has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def bytes_to_int(val, byteorder):
        """Convert bytes to an int."""
        if not val:
            return 0
        if byteorder == "big":
Severity: Minor
Found in tlslite/utils/compat.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function createTripleDES has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

def createTripleDES(key, IV, implList=None):
    """Create a new 3DES object.

    :type key: str
    :param key: A 24 byte string.
Severity: Minor
Found in tlslite/utils/cipherfactory.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function __init__ has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def __init__(self, sock=None):
        AsyncStateMachine.__init__(self)

        if sock:
            self.tlsConnection = TLSConnection(sock)
Severity: Minor
Found in tlslite/integration/tlsasyncdispatchermixin.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function inWriteEvent has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def inWriteEvent(self):
        """Tell the state machine it can write to the socket."""
        try:
            self._checkAssert()
            if self.handshaker:
Severity: Minor
Found in tlslite/integration/asyncstatemachine.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function makeServerKeyExchange has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def makeServerKeyExchange(self, sigHash=None):
        """Create AECDHE version of Server Key Exchange"""
        #Get client supported groups
        client_curves = self.clientHello.getExtension(
                ExtensionType.supported_groups)
Severity: Minor
Found in tlslite/keyexchange.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

Function verifyServerKeyExchange has a Cognitive Complexity of 6 (exceeds 5 allowed). Consider refactoring.
Open

    def verifyServerKeyExchange(serverKeyExchange, publicKey, clientRandom,
                                serverRandom, validSigAlgs):
        """Verify signature on the Server Key Exchange message

        the only acceptable signature algorithms are specified by validSigAlgs
Severity: Minor
Found in tlslite/keyexchange.py - About 25 mins to fix

Cognitive Complexity

Cognitive Complexity is a measure of how difficult a unit of code is to intuitively understand. Unlike Cyclomatic Complexity, which determines how difficult your code will be to test, Cognitive Complexity tells you how difficult your code will be to read and comprehend.

A method's cognitive complexity is based on a few simple rules:

  • Code is not considered more complex when it uses shorthand that the language provides for collapsing multiple statements into one
  • Code is considered more complex for each "break in the linear flow of the code"
  • Code is considered more complex when "flow breaking structures are nested"

Further reading

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