def recover_char_at(offset, enc):
modification_char = 'x'
original_encoding = enc[offset]
new_encoding = edit(enc, offset, modification_char)[offset]
recovered_char = chr(ord(modification_char) ^ ord(original_encoding)
^ ord(new_encoding))
return recovered_char
def recover_char_at(offset, enc):
modification_char = 'x'
original_encoding = enc[offset]
new_encoding = edit(enc, offset, modification_char)[offset]
recovered_char = chr(
ord(modification_char) ^ ord(original_encoding) ^ ord(new_encoding))
return recovered_char
def main(): # Fast recovery
from AES_128 import xor_data
enc = get_encrypted_data()
length = len(enc)
print '[+] Length of data = %d' % length
print '[+] Recovering data'
modification_string = 'x'*length
new_enc = edit(enc, 0, modification_string)
data = xor_data(xor_data(enc, new_enc), modification_string)
print data
print '[+] Finished recovering data'
def main(): # Fast recovery
from AES_128 import xor_data
enc = get_encrypted_data()
length = len(enc)
print '[+] Length of data = %d' % length
print '[+] Recovering data'
modification_string = 'x' * length
new_enc = edit(enc, 0, modification_string)
data = xor_data(xor_data(enc, new_enc), modification_string)
print data
print '[+] Finished recovering data'