57op

## aes128.py
# Pure python AES128 implementation
# SciresM, 2017
from struct import unpack as up, pack as pk

def sxor(s1, s2):
    '''Xors two strings.'''
    assert(len(s1) == len(s2))
    return ''.join([chr(ord(x) ^ ord(y)) for x,y in zip(s1, s2)])

class AESCBC:
	# Pure python AES128 implementation
	# SciresM, 2017
	from struct import unpack as up, pack as pk

	def sxor(s1, s2):
	'''Xors two strings.'''
	assert(len(s1) == len(s2))
	return ''.join([chr(ord(x) ^ ord(y)) for x,y in zip(s1, s2)])

	class AESCBC: