Python BlockCipher Examples

Example #1

File: cbc.py Project: TerryLo/onchipsdk-1

    def decrypt(self, cipherText, iv=None, more=None):
        """ CBC decryption - overloads baseCipher to allow optional explicit IV
            when iv=None, iv is auto generated!
        """
        if self.decryptBlockCount == 0:
            self.iv = iv
        else:
            assert(iv==None), 'IV used only on first call to decrypt'

        return BlockCipher.decrypt(self, cipherText, more=more)

Example #2

File: cbc.py Project: Lantash77/lantash-repo

    def decrypt(self, cipherText, iv=None, more=None):
        """ CBC decryption - overloads baseCipher to allow optional explicit IV
            when iv=None, iv is auto generated!
        """
        if self.decryptBlockCount == 0:
            self.iv = iv
        else:
            assert (iv == None), 'IV used only on first call to decrypt'

        return BlockCipher.decrypt(self, cipherText, more=more)

Example #3

File: cbc.py Project: TerryLo/onchipsdk-1

 def resetDecrypt(self):
     BlockCipher.resetDecrypt(self)  # reset CBC state (super class)
     self.baseCipher.resetDecrypt()  # reset base cipher decrypt state

Example #4

File: cbc.py Project: TerryLo/onchipsdk-1

 def resetEncrypt(self):
     BlockCipher.resetEncrypt(self)  # reset CBC encrypt state (super class)
     self.baseCipher.resetEncrypt()  # reset base cipher encrypt state

Example #5

File: cbc.py Project: Lantash77/lantash-repo

 def resetDecrypt(self):
     BlockCipher.resetDecrypt(self)  # reset CBC state (super class)
     self.baseCipher.resetDecrypt()  # reset base cipher decrypt state

Example #6

File: cbc.py Project: Lantash77/lantash-repo

 def resetEncrypt(self):
     BlockCipher.resetEncrypt(self)  # reset CBC encrypt state (super class)
     self.baseCipher.resetEncrypt()  # reset base cipher encrypt state