Reduce cost factor for hashing passwords
* Also reduce memory cost
This commit is contained in:
@@ -32,7 +32,7 @@ HASH_FUNCTION = 'sha256' # Must be in hashlib.
|
||||
# Linear to the hashing time. Adjust to be high but take a reasonable
|
||||
# amount of time on your server. Measure with:
|
||||
# python -m timeit -s 'import passwords as p' 'p.make_hash("something")'
|
||||
COST_FACTOR = 29000
|
||||
COST_FACTOR = 10000
|
||||
|
||||
|
||||
def make_hash(password):
|
||||
|
@@ -72,7 +72,7 @@ def pbkdf2_bin(data, salt, iterations=1000, keylen=24, hashfunc=None):
|
||||
rv = u = _pseudorandom(salt + _pack_int(block))
|
||||
for i in xrange(iterations - 1):
|
||||
u = _pseudorandom(''.join(map(chr, u)))
|
||||
rv = starmap(xor, izip(rv, u))
|
||||
rv = list(starmap(xor, izip(rv, u)))
|
||||
buf.extend(rv)
|
||||
return ''.join(map(chr, buf))[:keylen]
|
||||
|
||||
|
Reference in New Issue
Block a user