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, 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):
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 keySize / 4
in NrTable[4]), 'key size must be 16,20,24,29 or 32 bytes'
assert (blockSize % 4 == 0 and blockSize / 4
in NrTable), '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'
