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Reduce cost factor for hashing passwords

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* Also reduce memory cost
This commit is contained in:
JonnyWong16 2016-05-19 20:24:22 -07:00
parent b70363e005
commit a3f0a78df0
2 changed files with 2 additions and 2 deletions
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2
lib/hashing_passwords.py
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@ -32,7 +32,7 @@ HASH_FUNCTION = 'sha256' # Must be in hashlib.
# Linear to the hashing time. Adjust to be high but take a reasonable # Linear to the hashing time. Adjust to be high but take a reasonable
# amount of time on your server. Measure with: # amount of time on your server. Measure with:
# python -m timeit -s 'import passwords as p' 'p.make_hash("something")' # python -m timeit -s 'import passwords as p' 'p.make_hash("something")'
COST_FACTOR = 29000 COST_FACTOR = 10000
def make_hash(password): def make_hash(password):

2
lib/pbkdf2.py
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@ -72,7 +72,7 @@ def pbkdf2_bin(data, salt, iterations=1000, keylen=24, hashfunc=None):
rv = u = _pseudorandom(salt + _pack_int(block)) rv = u = _pseudorandom(salt + _pack_int(block))
for i in xrange(iterations - 1): for i in xrange(iterations - 1):
u = _pseudorandom(''.join(map(chr, u))) u = _pseudorandom(''.join(map(chr, u)))
rv = starmap(xor, izip(rv, u)) rv = list(starmap(xor, izip(rv, u)))
buf.extend(rv) buf.extend(rv)
return ''.join(map(chr, buf))[:keylen] return ''.join(map(chr, buf))[:keylen]