def __init__(self,
key=None,
padding=padWithPadLen(),
keySize=16,
blockSize=16,
tapRound=6,
extraRounds=6):
""" key, keysize, blockSize same as Rijndael, tapROund is feedback tap, """
self.tapRound = tapRound # <------- !!! change from Rijndael !!!
self.extraRounds = extraRounds # <------- !!! change from Rijndael !!!
self.name = 'ICEDOLL'
self.keySize = keySize
self.strength = keySize
self.blockSize = blockSize # blockSize is in bytes
self.padding = padding # change default to noPadding() to get normal ECB behavior
assert (keySize % 4 == 0 and NrTable[4].has_key(
keySize / 4)), 'key size must be 16,20,24,29 or 32 bytes'
assert (blockSize % 4 == 0 and NrTable.has_key(
blockSize / 4)), 'block size must be 16,20,24,29 or 32 bytes'
self.Nb = self.blockSize / 4 # Nb is number of columns of 32 bit words
self.Nk = keySize / 4 # Nk is the key length in 32-bit words
self.Nr = NrTable[self.Nb][
self.Nk] + extraRounds # <------- !!! change from Rijndael !!!
if key != None:
self.setKey(key)
def __init__(self, key = None, padding = padWithPadLen(), keySize=16):
""" Initialize AES, keySize is in bytes """
if not (keySize == 16 or keySize == 24 or keySize == 32) :
raise BadKeySizeError, 'Illegal AES key size, must be 16, 24, or 32 bytes'
Rijndael.__init__( self, key, padding=padding, keySize=keySize, blockSize=16 )
self.name = 'AES'
def __init__(self, key=None, padding=padWithPadLen(), keySize=16):
""" Initialize AES, keySize is in bytes """
if not (keySize == 16 or keySize == 24 or keySize == 32):
raise BadKeySizeError, 'Illegal AES key size, must be 16, 24, or 32 bytes'
Rijndael.__init__(self,
key,
padding=padding,
keySize=keySize,
blockSize=16)
self.name = 'AES'
def __init__(self, blockCipherInstance, padding = padWithPadLen()):
""" CBC algorithms are created by initializing with a BlockCipher instance """
self.baseCipher = blockCipherInstance
self.name = self.baseCipher.name + '_CBC'
self.blockSize = self.baseCipher.blockSize
self.keySize = self.baseCipher.keySize
self.padding = padding
self.baseCipher.padding = noPadding() # baseCipher should NOT pad!!
self.r = Random() # for IV generation, currently uses
# mediocre standard distro version <----------------
import time
newSeed = time.ctime()+str(self.r) # seed with instance location
self.r.seed(newSeed) # to make unique
self.reset()
def __init__(self, blockCipherInstance, padding = padWithPadLen()):
""" CBC algorithms are created by initializing with a BlockCipher instance """
self.baseCipher = blockCipherInstance
self.name = self.baseCipher.name + '_CBC'
self.blockSize = self.baseCipher.blockSize
self.keySize = self.baseCipher.keySize
self.padding = padding
self.baseCipher.padding = noPadding() # baseCipher should NOT pad!!
self.r = Random() # for IV generation, currently uses
# mediocre standard distro version <----------------
import time
newSeed = time.ctime()+str(self.r) # seed with instance location
self.r.seed(newSeed) # to make unique
self.reset()
def __init__(self, key=None, padding=padWithPadLen(), keySize=16, blockSize=16):
self.name = 'RIJNDAEL'
self.keySize = keySize
self.strength = keySize * 8
self.blockSize = blockSize # blockSize is in bytes
self.padding = padding # change default to noPadding() to get normal ECB behavior
assert (keySize % 4 == 0 and NrTable[4].has_key(keySize / 4)), 'key size must be 16,20,24,29 or 32 bytes'
assert (blockSize % 4 == 0 and NrTable.has_key(blockSize / 4)), 'block size must be 16,20,24,29 or 32 bytes'
self.Nb = self.blockSize / 4 # Nb is number of columns of 32 bit words
self.Nk = keySize / 4 # Nk is the key length in 32-bit words
self.Nr = NrTable[self.Nb][self.Nk] # The number of rounds (Nr) is a function of
# the block (Nb) and key (Nk) sizes.
if key != None:
self.setKey(key)
def __init__(self,key=None,padding=padWithPadLen(),keySize=16,blockSize=16,tapRound=6,extraRounds=6):
""" key, keysize, blockSize same as Rijndael, tapROund is feedback tap, """
self.tapRound = tapRound # <------- !!! change from Rijndael !!!
self.extraRounds = extraRounds # <------- !!! change from Rijndael !!!
self.name = 'ICEDOLL'
self.keySize = keySize
self.strength = keySize
self.blockSize = blockSize # blockSize is in bytes
self.padding = padding # change default to noPadding() to get normal ECB behavior
assert( keySize%4==0 and NrTable[4].has_key(keySize/4)),'key size must be 16,20,24,29 or 32 bytes'
assert( blockSize%4==0 and NrTable.has_key(blockSize/4)), 'block size must be 16,20,24,29 or 32 bytes'
self.Nb = self.blockSize/4 # Nb is number of columns of 32 bit words
self.Nk = keySize/4 # Nk is the key length in 32-bit words
self.Nr = NrTable[self.Nb][self.Nk]+extraRounds # <------- !!! change from Rijndael !!!
if key != None:
self.setKey(key)
def __init__(self,
key=None,
padding=padWithPadLen(),
keySize=16,
blockSize=16):
self.name = 'RIJNDAEL'
self.keySize = keySize
self.strength = keySize * 8
self.blockSize = blockSize # blockSize is in bytes
self.padding = padding # change default to noPadding() to get normal ECB behavior
assert (keySize % 4 == 0 and NrTable[4].has_key(
keySize / 4)), 'key size must be 16,20,24,29 or 32 bytes'
assert (blockSize % 4 == 0 and NrTable.has_key(
blockSize / 4)), 'block size must be 16,20,24,29 or 32 bytes'
self.Nb = self.blockSize / 4 # Nb is number of columns of 32 bit words
self.Nk = keySize / 4 # Nk is the key length in 32-bit words
self.Nr = NrTable[self.Nb][
self.Nk] # The number of rounds (Nr) is a function of
# the block (Nb) and key (Nk) sizes.
if key != None:
self.setKey(key)
def __init__(self, key=None, padding=padWithPadLen(), keySize=16):
CBC.__init__(self, AES(key, noPadding(), keySize), padding)
self.name = 'AES_CBC'
def __init__(self, key=None, padding=padWithPadLen(), keySize=16):
CBC.__init__( self, AES(key, noPadding(), keySize), padding)
self.name = 'AES_CBC'
