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https://github.com/ilyakooo0/urbit.git
synced 2024-12-17 20:01:32 +03:00
cgyarvin
commit
e166d7dcba
@ -4984,7 +4984,8 @@
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++ scr :: scrypt
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~% %scr + ~
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|%
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++ sal |= [x=@ r=@] :: salsa20 hash
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++ sal
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|= [x=@ r=@] :: salsa20 hash
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?> =((mod r 2) 0) :: with r rounds
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=+ few==>(fe .(a 5))
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=+ ^= rot
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@ -4993,7 +4994,8 @@
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=+ ^= lea
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|= [a=@ b=@]
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(net:few (sum:few (net:few a) (net:few b)))
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=> |% ++ qr :: quarterround
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=> |%
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++ qr :: quarterround
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|= y=[@ @ @ @ ~]
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=+ zb=(mix &2.y (rot 7 (sum:few &1.y &4.y)))
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=+ zc=(mix &3.y (rot 9 (sum:few zb &1.y)))
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@ -5010,22 +5012,18 @@
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&1.za &2.za &3.za &4.za
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&4.zb &1.zb &2.zb &3.zb
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&3.zc &4.zc &1.zc &2.zc
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&2.zd &3.zd &4.zd &1.zd
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==
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&2.zd &3.zd &4.zd &1.zd ==
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++ cr :: columnround
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|= [x=(list ,@)]
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=+ ^= y %- rr ^- (list ,@) :~
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&1.x &5.x &9.x &13.x
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&2.x &6.x &10.x &14.x
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&3.x &7.x &11.x &15.x
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&4.x &8.x &12.x &16.x
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==
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=+ ya=(qr ~[&1.x &5.x &9.x &13.x])
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=+ yb=(qr ~[&6.x &10.x &14.x &2.x])
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=+ yc=(qr ~[&11.x &15.x &3.x &7.x])
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=+ yd=(qr ~[&16.x &4.x &8.x &12.x])
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^- (list ,@) :~
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&1.y &5.y &9.y &13.y
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&2.y &6.y &10.y &14.y
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&3.y &7.y &11.y &15.y
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&4.y &8.y &12.y &16.y
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==
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&1.ya &4.yb &3.yc &2.yd
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&2.ya &1.yb &4.yc &3.yd
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&3.ya &2.yb &1.yc &4.yd
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&4.ya &3.yb &2.yc &1.yd ==
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++ dr :: doubleround
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|= [x=(list ,@)]
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(rr (cr x))
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@ -5041,7 +5039,8 @@
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$(xw (dr xw), r (sub r 2))
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(rep 5 (al xw ow))
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::
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++ rpp |= [a=bloq b=@ c=@] :: rip w/filler blocks
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++ rpp
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|= [a=bloq b=@ c=@] :: rip w/filler blocks
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=+ q=(rip a c)
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=+ w=(lent q)
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?. =(w b)
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@ -5049,28 +5048,21 @@
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^+ q (weld q (reap (sub b (lent q)) 0))
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q
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::
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++ xrl |= [a=(list ,@) b=(list ,@)] :: xor lists
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|- ^- (list ,@)
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?~ a b ?~ b a
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[i=(mix -.a -.b) t=$(a +.a, b +.b)]
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::
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++ xrm |= [a=(list (list ,@)) b=(list (list ,@))]
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|- ^- (list (list ,@))
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?~ a b ?~ b a
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[i=(xrl -.a -.b) t=$(a +.a, b +.b)]
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::
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++ bls |= [a=@ b=(list ,@)] :: split to sublists
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++ bls
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|= [a=@ b=(list ,@)] :: split to sublists
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?> =((mod (lent b) a) 0)
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|- ^- (list (list ,@))
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?~ b ~
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[i=(scag a `(list ,@)`b) t=$(b (slag a `(list ,@)`b))]
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::
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++ slb |= [a=(list (list ,@))]
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++ slb
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|= [a=(list (list ,@))]
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|- ^- (list ,@)
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?~ a ~
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(weld `(list ,@)`-.a $(a +.a))
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::
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++ sbm |= [r=@ b=(list ,@)] :: scryptBlockMix
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++ sbm
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|= [r=@ b=(list ,@)] :: scryptBlockMix
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?> =((lent b) (mul 2 r))
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=+ [x=(snag (dec (mul 2 r)) b) c=0]
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=| [ya=(list ,@) yb=(list ,@)]
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@ -5081,14 +5073,13 @@
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$(c +(c), b +.b, ya [i=x t=ya])
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$(c +(c), b +.b, yb [i=x t=yb])
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::
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++ srm |= [r=@ b=(list ,@) n=@] :: scryptROMix
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?> ?&
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=((lent b) (mul 2 r))
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++ srm
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|= [r=@ b=(list ,@) n=@] :: scryptROMix
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?> ?& =((lent b) (mul 2 r))
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=(n (bex (dec (xeb n))))
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(lth n (bex (mul r 16)))
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==
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=| v=(list (list ,@))
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=+ c=0
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=+ [v=*(list (list ,@)) c=0]
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=. v
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|- ^- (list (list ,@))
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=+ w=(sbm r b)
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@ -5098,13 +5089,19 @@
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|- ^- (list ,@)
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?: =(c n) x
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=+ q=(snag (dec (mul r 2)) x)
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$(x (sbm r (xrl x (snag (mod q n) v))), c +(c))
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=+ z=`(list ,@)`(snag (mod q n) v)
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=+ ^= w |- ^- (list ,@)
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?~ x ~ ?~ z ~
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[i=(mix -.x -.z) t=$(x +.x, z +.z)]
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$(x (sbm r w), c +(c))
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::
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++ hmc |= [k=@ t=@] :: HMAC-SHA-256
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++ hmc
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|= [k=@ t=@] :: HMAC-SHA-256
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(hml k (met 3 k) t (met 3 t))
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::
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++ hml |= [k=@ kl=@ t=@ tl=@] :: w/length
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=. k (end 3 kl k) =. t (end 3 tl t)
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++ hml
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|= [k=@ kl=@ t=@ tl=@] :: w/length
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=> .(k (end 3 kl k), t (end 3 tl t))
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=+ b=64
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=. k ?. (gth kl b) k (shay kl k)
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=+ ^= q %+ shay (add b tl)
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@ -5118,7 +5115,7 @@
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::
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++ pbl ~/ %pbl :: w/length
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|= [p=@ pl=@ s=@ sl=@ c=@ d=@]
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=. p (end 3 pl p) =. s (end 3 sl s)
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=> .(p (end 3 pl p), s (end 3 sl s))
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=+ h=32
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?> ?& (lte d (bex 30)) :: max key length 1GB
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(lte c (bex 28)) :: max iterations 2^28
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@ -5146,7 +5143,7 @@
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++ hsl ~/ %hsl :: w/length
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|= [p=@ pl=@ s=@ sl=@ n=@ r=@ z=@ d=@]
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=| v=(list (list ,@))
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=. p (end 3 pl p) =. s (end 3 sl s)
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=> .(p (end 3 pl p), s (end 3 sl s))
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=+ u=(mul (mul 128 r) z)
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?> ?& =(n (bex (dec (xeb n)))) :: n is power of 2
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!=(r 0) !=(z 0)
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@ -5156,8 +5153,7 @@
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(lth pl (bex 31))
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(lth sl (bex 31))
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==
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=+ ^= b =+ %^ rpp 3 u
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(pbl p pl s sl 1 u)
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=+ ^= b =+ (rpp 3 u (pbl p pl s sl 1 u))
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%+ turn (bls (mul 128 r) -)
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|=(a=(list ,@) (rpp 9 (mul 2 r) (rep 3 a)))
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?> =((lent b) z)
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