Commit 09d05686 authored by Alex Gaynor's avatar Alex Gaynor
Browse files

Switched to using some constants the hmac module exposes.

parent 590a4116

django/utils/crypto.py

+2 −6
Original line number Diff line number Diff line
@@ -28,10 +28,6 @@ from django.utils import six 
from django.utils.six.moves import xrange





_trans_5c = bytearray([(x ^ 0x5C) for x in xrange(256)])

_trans_36 = bytearray([(x ^ 0x36) for x in xrange(256)])





def salted_hmac(key_salt, value, secret=None):

    """

    Returns the HMAC-SHA1 of 'value', using a key generated from key_salt and a
@@ -130,9 +126,9 @@ def _fast_hmac(key, msg, digest): 
    if len(key) > dig1.block_size:

        key = digest(key).digest()

    key += b'\x00' * (dig1.block_size - len(key))

    dig1.update(key.translate(_trans_36))

    dig1.update(key.translate(hmac.trans_36))

    dig1.update(msg)

    dig2.update(key.translate(_trans_5c))

    dig2.update(key.translate(hmac.trans_5C))

    dig2.update(dig1.digest())

    return dig2