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xor for larger ints

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This commit is contained in:
Roman Hergenreder 2023-12-09 18:49:11 +01:00
parent 254826351a
commit 4bcb2514ee
1 changed files with 7 additions and 2 deletions
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9
util.py
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@ -319,6 +319,11 @@ def pad(x, n, b=b"\x00", s="r"):
return x
def xor(a, b):
if isinstance(a, int):
a = a.to_bytes(math.ceil(math.log(a)/math.log(2)/8.0))
if isinstance(b, int):
b = b.to_bytes(math.ceil(math.log(b)/math.log(2)/8.0))
if len(a) == 0 or len(b) == 0:
return a
@ -332,9 +337,9 @@ def xor(a, b):
if type(a) == str and type(b) == str:
return "".join([chr(ord(c1) ^ ord(c2)) for (c1,c2) in zip(a, b) ])
else:
if type(a) != bytes:
if type(a) not in (bytes, bytearray):
a = a.encode()
if type(b) != bytes:
if type(b) not in (bytes, bytearray):
b = b.encode()