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Code Issues Releases Wiki Activity

Minor OAEP changes.

This commit is contained in:
Jonas Borgström 2010-10-25 19:52:12 +02:00
parent a8deb8c3b9
commit ad2ccff560
1 changed files with 3 additions and 3 deletions
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6
dedupestore/oaep.py
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@ -1,10 +1,10 @@
from operator import xor
from Crypto.Util.number import long_to_bytes
from Crypto.Hash import SHA
from .helpers import IntegrityError
def _xor_bytes(a, b):
return ''.join(chr(xor(ord(x[0]), ord(x[1]))) for x in zip(a, b))
return ''.join(chr(ord(x[0]) ^ ord(x[1])) for x in zip(a, b))
def MGF1(seed, mask_len, hash=SHA):
@ -51,7 +51,7 @@ class OAEP(object):
if (ciphertext[0] != '\0' or
label_hash != label_hash2 or
data[0] != '\1'):
raise ValueError('decryption error')
raise IntegrityError('decryption error')
return data[1:]