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verify key size in Distance

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Jack Robison 2018-05-29 10:59:46 -04:00
parent 0d23c68797
commit 73e813f9ec
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1 changed files with 5 additions and 0 deletions
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5
lbrynet/dht/distance.py
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@ -1,3 +1,6 @@
from lbrynet.dht import constants
class Distance(object): class Distance(object):
"""Calculate the XOR result between two string variables. """Calculate the XOR result between two string variables.
@ -6,6 +9,8 @@ class Distance(object):
""" """
def __init__(self, key): def __init__(self, key):
if len(key) != constants.key_bits / 8:
raise ValueError("invalid key length: %i", len(key))
self.key = key self.key = key
self.val_key_one = long(key.encode('hex'), 16) self.val_key_one = long(key.encode('hex'), 16)