diff options
Diffstat (limited to 'passlib/utils/_blowfish/base.py')
| -rw-r--r-- | passlib/utils/_blowfish/base.py | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/passlib/utils/_blowfish/base.py b/passlib/utils/_blowfish/base.py index e725e7f..65b6da0 100644 --- a/passlib/utils/_blowfish/base.py +++ b/passlib/utils/_blowfish/base.py @@ -1,20 +1,20 @@ """passlib.utils._blowfish.base - unoptimized pure-python blowfish engine""" -#========================================================= -#imports -#========================================================= -#core +#============================================================================= +# imports +#============================================================================= +# core import struct -#pkg +# pkg from passlib.utils.compat import bytes from passlib.utils import repeat_string -#local +# local __all__ = [ "BlowfishEngine", ] -#========================================================= +#============================================================================= # blowfish constants -#========================================================= +#============================================================================= BLOWFISH_P = BLOWFISH_S = None def _init_constants(): @@ -304,9 +304,9 @@ def _init_constants(): ] ] -#========================================================= +#============================================================================= # engine -#========================================================= +#============================================================================= class BlowfishEngine(object): def __init__(self): @@ -315,9 +315,9 @@ class BlowfishEngine(object): self.P = list(BLOWFISH_P) self.S = [ list(box) for box in BLOWFISH_S ] - #========================================================= + #=================================================================== # common helpers - #========================================================= + #=================================================================== @staticmethod def key_to_words(data, size=18): """convert data to tuple of <size> 4-byte integers, repeating or @@ -335,9 +335,9 @@ class BlowfishEngine(object): # unpack return struct.unpack(">%dI" % (size,), data) - #========================================================= + #=================================================================== # blowfish routines - #========================================================= + #=================================================================== def encipher(self, l, r): "loop version of blowfish encipher routine" P, S = self.P, self.S @@ -375,9 +375,9 @@ class BlowfishEngine(object): box[i], box[i+1] = l,r = encipher(l,r) i += 2 - #========================================================= + #=================================================================== # eks-blowfish routines - #========================================================= + #=================================================================== def eks_expand(self, key_words, salt_words): "perform EKS version of Blowfish keyschedule setup" # NOTE: this is the same as expand(), except for the addition @@ -401,7 +401,7 @@ class BlowfishEngine(object): s += 2 if s == salt_size: s = 0 - P[i], P[i+1] = l,r = encipher(l,r) #next() + P[i], P[i+1] = l,r = encipher(l,r) # next() i += 2 for box in S: @@ -412,7 +412,7 @@ class BlowfishEngine(object): s += 2 if s == salt_size: s = 0 - box[i], box[i+1] = l,r = encipher(l,r) #next() + box[i], box[i+1] = l,r = encipher(l,r) # next() i += 2 def eks_rounds_expand0(self, key_words, salt_words, rounds): @@ -433,10 +433,10 @@ class BlowfishEngine(object): n += 1 return l, r - #========================================================= + #=================================================================== # eoc - #========================================================= + #=================================================================== -#========================================================= -#eof -#========================================================= +#============================================================================= +# eof +#============================================================================= |