cleaning up sha2
parent
f2f834a234
commit
660bb079ae
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@ -2,12 +2,12 @@
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel splitting grouping math sequences namespaces make
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io.binary math.bitwise checksums checksums.common
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sbufs strings ;
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sbufs strings combinators.smart ;
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IN: checksums.sha2
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<PRIVATE
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SYMBOLS: vars M K H S0 S1 process-M word-size block-size ;
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SYMBOLS: vars K H process-M word-size block-size ;
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CONSTANT: a 0
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CONSTANT: b 1
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@ -18,13 +18,13 @@ CONSTANT: f 5
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CONSTANT: g 6
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CONSTANT: h 7
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: initial-H-256 ( -- seq )
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CONSTANT: initial-H-256
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{
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HEX: 6a09e667 HEX: bb67ae85 HEX: 3c6ef372 HEX: a54ff53a
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HEX: 510e527f HEX: 9b05688c HEX: 1f83d9ab HEX: 5be0cd19
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} ;
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}
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: K-256 ( -- seq )
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CONSTANT: K-256
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{
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HEX: 428a2f98 HEX: 71374491 HEX: b5c0fbcf HEX: e9b5dba5
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HEX: 3956c25b HEX: 59f111f1 HEX: 923f82a4 HEX: ab1c5ed5
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@ -42,17 +42,21 @@ CONSTANT: h 7
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HEX: 391c0cb3 HEX: 4ed8aa4a HEX: 5b9cca4f HEX: 682e6ff3
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HEX: 748f82ee HEX: 78a5636f HEX: 84c87814 HEX: 8cc70208
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HEX: 90befffa HEX: a4506ceb HEX: bef9a3f7 HEX: c67178f2
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} ;
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}
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: s0-256 ( x -- x' )
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[ -7 bitroll-32 ] keep
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[ -18 bitroll-32 ] keep
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-3 shift bitxor bitxor ; inline
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[
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[ -7 bitroll-32 ]
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[ -18 bitroll-32 ]
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[ -3 shift ] tri
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] [ bitxor ] reduce-outputs ; inline
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: s1-256 ( x -- x' )
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[ -17 bitroll-32 ] keep
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[ -19 bitroll-32 ] keep
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-10 shift bitxor bitxor ; inline
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[
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[ -17 bitroll-32 ]
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[ -19 bitroll-32 ]
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[ -10 shift ] tri
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] [ bitxor ] reduce-outputs ; inline
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: process-M-256 ( seq n -- )
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[ 16 - swap nth ] 2keep
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