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Code Issues Releases Wiki Activity

Refactor PasswordHasher

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This commit is contained in:
R. Richard 2019-06-11 13:29:18 +02:00
parent 4a08687ac8
commit 9faafa7f49
1 changed files with 15 additions and 10 deletions
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25
solvable/src/webservice/crypto.py
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@ -3,17 +3,22 @@ from hashlib import scrypt
class PasswordHasher:
@staticmethod
def hash(password):
salt = urandom(32)
return PasswordHasher.scrypt(password, salt).hex()+salt.hex()
n = 16384
r = 8
p = 1
dklen = 32
@staticmethod
def verify(password, salted_hash):
@classmethod
def hash(cls, password):
salt = urandom(32)
return cls.scrypt(password, salt).hex() + salt.hex()
@classmethod
def verify(cls, password, salted_hash):
salt = bytes.fromhex(salted_hash)[32:]
hashdigest = bytes.fromhex(salted_hash)[:32]
return PasswordHasher.scrypt(password, salt) == hashdigest
return cls.scrypt(password, salt) == hashdigest
@staticmethod
def scrypt(password, salt):
return scrypt(password.encode(), salt=salt, n=16384, r=8, p=1, dklen=32)
@classmethod
def scrypt(cls, password, salt):
return scrypt(password.encode(), salt=salt, n=cls.n, r=cls.r, p=cls.p, dklen=cls.dklen)