Merge pull request #343 from max19/master

minor scrypt tweaks
This commit is contained in:
cgyarvin 2015-06-26 12:33:43 -07:00
commit e166d7dcba

View File

@ -4984,7 +4984,8 @@
++ scr :: scrypt
~% %scr + ~
|%
++ sal |= [x=@ r=@] :: salsa20 hash
++ sal
|= [x=@ r=@] :: salsa20 hash
?> =((mod r 2) 0) :: with r rounds
=+ few==>(fe .(a 5))
=+ ^= rot
@ -4993,7 +4994,8 @@
=+ ^= lea
|= [a=@ b=@]
(net:few (sum:few (net:few a) (net:few b)))
=> |% ++ qr :: quarterround
=> |%
++ qr :: quarterround
|= y=[@ @ @ @ ~]
=+ zb=(mix &2.y (rot 7 (sum:few &1.y &4.y)))
=+ zc=(mix &3.y (rot 9 (sum:few zb &1.y)))
@ -5010,22 +5012,18 @@
&1.za &2.za &3.za &4.za
&4.zb &1.zb &2.zb &3.zb
&3.zc &4.zc &1.zc &2.zc
&2.zd &3.zd &4.zd &1.zd
==
&2.zd &3.zd &4.zd &1.zd ==
++ cr :: columnround
|= [x=(list ,@)]
=+ ^= y %- rr ^- (list ,@) :~
&1.x &5.x &9.x &13.x
&2.x &6.x &10.x &14.x
&3.x &7.x &11.x &15.x
&4.x &8.x &12.x &16.x
==
=+ ya=(qr ~[&1.x &5.x &9.x &13.x])
=+ yb=(qr ~[&6.x &10.x &14.x &2.x])
=+ yc=(qr ~[&11.x &15.x &3.x &7.x])
=+ yd=(qr ~[&16.x &4.x &8.x &12.x])
^- (list ,@) :~
&1.y &5.y &9.y &13.y
&2.y &6.y &10.y &14.y
&3.y &7.y &11.y &15.y
&4.y &8.y &12.y &16.y
==
&1.ya &4.yb &3.yc &2.yd
&2.ya &1.yb &4.yc &3.yd
&3.ya &2.yb &1.yc &4.yd
&4.ya &3.yb &2.yc &1.yd ==
++ dr :: doubleround
|= [x=(list ,@)]
(rr (cr x))
@ -5041,7 +5039,8 @@
$(xw (dr xw), r (sub r 2))
(rep 5 (al xw ow))
::
++ rpp |= [a=bloq b=@ c=@] :: rip w/filler blocks
++ rpp
|= [a=bloq b=@ c=@] :: rip w/filler blocks
=+ q=(rip a c)
=+ w=(lent q)
?. =(w b)
@ -5049,28 +5048,21 @@
^+ q (weld q (reap (sub b (lent q)) 0))
q
::
++ xrl |= [a=(list ,@) b=(list ,@)] :: xor lists
|- ^- (list ,@)
?~ a b ?~ b a
[i=(mix -.a -.b) t=$(a +.a, b +.b)]
::
++ xrm |= [a=(list (list ,@)) b=(list (list ,@))]
|- ^- (list (list ,@))
?~ a b ?~ b a
[i=(xrl -.a -.b) t=$(a +.a, b +.b)]
::
++ bls |= [a=@ b=(list ,@)] :: split to sublists
++ bls
|= [a=@ b=(list ,@)] :: split to sublists
?> =((mod (lent b) a) 0)
|- ^- (list (list ,@))
?~ b ~
[i=(scag a `(list ,@)`b) t=$(b (slag a `(list ,@)`b))]
::
++ slb |= [a=(list (list ,@))]
++ slb
|= [a=(list (list ,@))]
|- ^- (list ,@)
?~ a ~
(weld `(list ,@)`-.a $(a +.a))
::
++ sbm |= [r=@ b=(list ,@)] :: scryptBlockMix
++ sbm
|= [r=@ b=(list ,@)] :: scryptBlockMix
?> =((lent b) (mul 2 r))
=+ [x=(snag (dec (mul 2 r)) b) c=0]
=| [ya=(list ,@) yb=(list ,@)]
@ -5081,14 +5073,13 @@
$(c +(c), b +.b, ya [i=x t=ya])
$(c +(c), b +.b, yb [i=x t=yb])
::
++ srm |= [r=@ b=(list ,@) n=@] :: scryptROMix
?> ?&
=((lent b) (mul 2 r))
++ srm
|= [r=@ b=(list ,@) n=@] :: scryptROMix
?> ?& =((lent b) (mul 2 r))
=(n (bex (dec (xeb n))))
(lth n (bex (mul r 16)))
==
=| v=(list (list ,@))
=+ c=0
=+ [v=*(list (list ,@)) c=0]
=. v
|- ^- (list (list ,@))
=+ w=(sbm r b)
@ -5098,13 +5089,19 @@
|- ^- (list ,@)
?: =(c n) x
=+ q=(snag (dec (mul r 2)) x)
$(x (sbm r (xrl x (snag (mod q n) v))), c +(c))
=+ z=`(list ,@)`(snag (mod q n) v)
=+ ^= w |- ^- (list ,@)
?~ x ~ ?~ z ~
[i=(mix -.x -.z) t=$(x +.x, z +.z)]
$(x (sbm r w), c +(c))
::
++ hmc |= [k=@ t=@] :: HMAC-SHA-256
++ hmc
|= [k=@ t=@] :: HMAC-SHA-256
(hml k (met 3 k) t (met 3 t))
::
++ hml |= [k=@ kl=@ t=@ tl=@] :: w/length
=. k (end 3 kl k) =. t (end 3 tl t)
++ hml
|= [k=@ kl=@ t=@ tl=@] :: w/length
=> .(k (end 3 kl k), t (end 3 tl t))
=+ b=64
=. k ?. (gth kl b) k (shay kl k)
=+ ^= q %+ shay (add b tl)
@ -5118,7 +5115,7 @@
::
++ pbl ~/ %pbl :: w/length
|= [p=@ pl=@ s=@ sl=@ c=@ d=@]
=. p (end 3 pl p) =. s (end 3 sl s)
=> .(p (end 3 pl p), s (end 3 sl s))
=+ h=32
?> ?& (lte d (bex 30)) :: max key length 1GB
(lte c (bex 28)) :: max iterations 2^28
@ -5146,7 +5143,7 @@
++ hsl ~/ %hsl :: w/length
|= [p=@ pl=@ s=@ sl=@ n=@ r=@ z=@ d=@]
=| v=(list (list ,@))
=. p (end 3 pl p) =. s (end 3 sl s)
=> .(p (end 3 pl p), s (end 3 sl s))
=+ u=(mul (mul 128 r) z)
?> ?& =(n (bex (dec (xeb n)))) :: n is power of 2
!=(r 0) !=(z 0)
@ -5156,8 +5153,7 @@
(lth pl (bex 31))
(lth sl (bex 31))
==
=+ ^= b =+ %^ rpp 3 u
(pbl p pl s sl 1 u)
=+ ^= b =+ (rpp 3 u (pbl p pl s sl 1 u))
%+ turn (bls (mul 128 r) -)
|=(a=(list ,@) (rpp 9 (mul 2 r) (rep 3 a)))
?> =((lent b) z)