def to_string(self, withchk=True):
salt = ab64_encode(self.salt).decode("ascii")
if withchk and self.checksum:
chk = ab64_encode(self.checksum).decode("ascii")
else:
chk = None
return uh.render_mc3(self.ident, self.rounds, salt, chk)
def to_string(self, withchk=True):
salt = ab64_encode(self.salt).decode("ascii")
if withchk and self.checksum:
chk = ab64_encode(self.checksum).decode("ascii")
else:
chk = None
return uh.render_mc3(self.ident, self.rounds, salt, chk)
def to_string(self, withchk=True):
salt = bascii_to_str(ab64_encode(self.salt))
chkmap = self.checksum
if withchk and chkmap:
chk_str = ",".join("%s=%s" % (alg, bascii_to_str(ab64_encode(chkmap[alg]))) for alg in self.algs)
else:
chk_str = ",".join(self.algs)
return "$scram$%d$%s$%s" % (self.rounds, salt, chk_str)
def to_string(self, withchk=True):
salt = bascii_to_str(ab64_encode(self.salt))
chkmap = self.checksum
if withchk and chkmap:
chk_str = ",".join("%s=%s" %
(alg, bascii_to_str(ab64_encode(chkmap[alg])))
for alg in self.algs)
else:
chk_str = ",".join(self.algs)
return '$scram$%d$%s$%s' % (self.rounds, salt, chk_str)
def _compute_ersatz_salt(self, password, ersatz_password): ''' Creates a ersatz salt Inputs password - True user password ersatz_pw- Fake user password todo: remove the array cut ''' return ab64_encode(self._sxor(self._hdf(self._formatPassword(password)),\ ersatz_password))
def generate_key( passphrase, salt ): assert len(passphrase) > 0 # add salt to passphrase and to sha512_crypt's salt crypt_salt = ab64_encode(sha512(salt).digest())[:16] passphrase += salt assert len(crypt_salt) == 16 key = sha512_crypt.encrypt(passphrase, rounds = PASSPHRASE_ROUNDS, salt = crypt_salt) assert len(key) > 86 # get just the hash back key = ab64_decode(key[-86:]) assert len(key) == 64 return key
def generate_key(passphrase, salt):
assert len(passphrase) > 0
# add salt to passphrase and to sha512_crypt's salt
crypt_salt = ab64_encode(sha512(salt).digest())[:16]
passphrase += salt
assert len(crypt_salt) == 16
key = sha512_crypt.encrypt(passphrase,
rounds=PASSPHRASE_ROUNDS,
salt=crypt_salt)
assert len(key) > 86
# get just the hash back
key = ab64_decode(key[-86:])
assert len(key) == 64
return key
def _calc_checksum(self, secret):
if isinstance(secret, unicode):
secret = secret.encode("utf-8")
salt = str_to_bascii(self.to_string(withchk=False))
result = pbkdf2(secret, salt, self.rounds, 24, "hmac-sha1")
return ab64_encode(result).decode("ascii")
def _calc_checksum(self, secret):
if isinstance(secret, unicode):
secret = secret.encode("utf-8")
salt = str_to_bascii(self.to_string(withchk=False))
result = pbkdf2(secret, salt, self.rounds, 24, "hmac-sha1")
return ab64_encode(result).decode("ascii")
