342 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Factor
		
	
	
			
		
		
	
	
			342 lines
		
	
	
		
			11 KiB
		
	
	
	
		
			Factor
		
	
	
| ! Copyright (C) 2017 Jon Harper.
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| ! See http://factorcode.org/license.txt for BSD license.
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| USING: accessors alien.c-types alien.data byte-arrays checksums
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| checksums.common combinators fry grouping hints kernel
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| kernel.private literals locals macros math math.bitwise
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| math.functions sequences sequences.private specialized-arrays ;
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| SPECIALIZED-ARRAY: uint
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| IN: checksums.ripemd
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| 
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| SINGLETON: ripemd-160
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| 
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| INSTANCE: ripemd-160 block-checksum
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| 
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| TUPLE: ripemd-160-state < block-checksum-state
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| { state1 uint-array }
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| { state2 uint-array }
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| { old-state uint-array } ;
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| 
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| : <ripemd-160-state> ( -- ripemd-160 )
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|     ripemd-160-state new-checksum-state
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|         64 >>block-size
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|         uint-array{ 0x67452301 0xefcdab89 0x98badcfe 0x10325476 0xc3d2e1f0 }
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|         [ clone >>state1 ] [ clone >>state2 ] [ >>old-state ] tri ;
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| 
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| M: ripemd-160 initialize-checksum-state drop <ripemd-160-state> ;
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| 
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| <PRIVATE
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| 
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| : combine-ripemd-160 ( ripemd-160-state -- new-state )
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|     [ old-state>> 1 cut prepend ]
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|     [ state1>> 2 cut prepend ]
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|     [ state2>> 3 cut prepend ] tri
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|     [ w+ ] 2map [ w+ ] 2map ; inline
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| 
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| : update-ripemd-160 ( ripemd-160 -- )
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|     [ combine-ripemd-160 dup clone dup clone ] [ ] bi
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|     [ old-state<< ] [ state1<< ] [ state2<< ] tri ; inline
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| 
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| : F ( x y z -- out ) bitxor bitxor ;  inline
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| : G ( x y z -- out ) pick bitnot swap [ bitand ] 2bi@ bitor ; inline
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| : H ( x y z -- out ) [ bitnot bitor ] [ bitxor ] bi* ; inline
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| : I ( x y z -- out ) tuck bitnot [ bitand ] 2bi@ bitor ; inline
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| : J ( x y z -- out ) bitnot bitor bitxor ; inline
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| 
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| CONSTANT: T11 0x00000000
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| CONSTANT: T12 0x5A827999
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| CONSTANT: T13 0x6ED9EBA1
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| CONSTANT: T14 0x8F1BBCDC
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| CONSTANT: T15 0xA953FD4E
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| 
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| CONSTANT: T21 0x50A28BE6
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| CONSTANT: T22 0x5C4DD124
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| CONSTANT: T23 0x6D703EF3
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| CONSTANT: T24 0x7A6D76E9
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| CONSTANT: T25 0x00000000
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| 
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| CONSTANT: a 0
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| CONSTANT: b 1
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| CONSTANT: c 2
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| CONSTANT: d 3
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| CONSTANT: e 4
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| 
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| CONSTANT: S1 uint-array{
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| 11 14 15 12 5 8 7 9 11 13 14 15 6 7 9 8
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| 7 6 8 13 11 9 7 15 7 12 15 9 11 7 13 12
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| 11 13 6 7 14 9 13 15 14 8 13 6 5 12 7 5
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| 11 12 14 15 14 15 9 8 9 14 5 6 8 6 5 12
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| 9 15 5 11 6 8 13 12 5 12 13 14 11 8 5 6
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| }
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| 
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| CONSTANT: S2 uint-array{
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| 8 9 9 11 13 15 15 5 7 7 8 11 14 14 12 6
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| 9 13 15 7 12 8 9 11 7 7 12 7 6 15 13 11
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| 9 7 15 11 8 6 6 14 12 13 5 14 13 13 7 5
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| 15 5 8 11 14 14 6 14 6 9 12 9 12 5 15 8
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| 8 5 12 9 12 5 14 6 8 13 6 5 15 13 11 11
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| }
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| 
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| :: (ABCDE) ( x state a b c d e k S s T quot -- )
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|     ! a = e + ((a + F(b,c,d) + X[k] + T) <<< S[s])
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|     ! c = c <<< 10
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|     a state [
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|         b state nth-unsafe
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|         c state nth-unsafe
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|         d state nth-unsafe quot call w+
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|         k x nth-unsafe w+
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|         T w+
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|         s S nth-unsafe bitroll-32
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|         e state nth-unsafe w+
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|     ] change-nth-unsafe
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|     c state [ 10 bitroll-32 ] change-nth-unsafe ; inline
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| 
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| MACRO: with-ripemd-160-round ( ops quot -- quot )
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|     '[ [ _ (ABCDE) ] compose ] map '[ _ 2cleave ] ;
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| 
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| : (process-ripemd-160-block-F1) ( block state1 -- )
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|     { uint-array uint-array } declare {
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|         [ a b c d e  0 S1  0 T11 ]
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|         [ e a b c d  1 S1  1 T11 ]
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|         [ d e a b c  2 S1  2 T11 ]
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|         [ c d e a b  3 S1  3 T11 ]
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|         [ b c d e a  4 S1  4 T11 ]
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|         [ a b c d e  5 S1  5 T11 ]
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|         [ e a b c d  6 S1  6 T11 ]
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|         [ d e a b c  7 S1  7 T11 ]
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|         [ c d e a b  8 S1  8 T11 ]
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|         [ b c d e a  9 S1  9 T11 ]
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|         [ a b c d e 10 S1 10 T11 ]
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|         [ e a b c d 11 S1 11 T11 ]
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|         [ d e a b c 12 S1 12 T11 ]
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|         [ c d e a b 13 S1 13 T11 ]
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|         [ b c d e a 14 S1 14 T11 ]
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|         [ a b c d e 15 S1 15 T11 ]
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|     } [ F ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-G1) ( block state1 -- )
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|     { uint-array uint-array } declare {
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|         [ e a b c d  7 S1 16 T12 ]
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|         [ d e a b c  4 S1 17 T12 ]
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|         [ c d e a b 13 S1 18 T12 ]
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|         [ b c d e a  1 S1 19 T12 ]
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|         [ a b c d e 10 S1 20 T12 ]
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|         [ e a b c d  6 S1 21 T12 ]
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|         [ d e a b c 15 S1 22 T12 ]
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|         [ c d e a b  3 S1 23 T12 ]
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|         [ b c d e a 12 S1 24 T12 ]
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|         [ a b c d e  0 S1 25 T12 ]
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|         [ e a b c d  9 S1 26 T12 ]
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|         [ d e a b c  5 S1 27 T12 ]
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|         [ c d e a b  2 S1 28 T12 ]
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|         [ b c d e a 14 S1 29 T12 ]
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|         [ a b c d e 11 S1 30 T12 ]
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|         [ e a b c d  8 S1 31 T12 ]
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|     } [ G ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-H1) ( block state1 -- )
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|     { uint-array uint-array } declare {
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|         [ d e a b c  3 S1 32 T13 ]
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|         [ c d e a b 10 S1 33 T13 ]
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|         [ b c d e a 14 S1 34 T13 ]
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|         [ a b c d e  4 S1 35 T13 ]
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|         [ e a b c d  9 S1 36 T13 ]
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|         [ d e a b c 15 S1 37 T13 ]
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|         [ c d e a b  8 S1 38 T13 ]
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|         [ b c d e a  1 S1 39 T13 ]
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|         [ a b c d e  2 S1 40 T13 ]
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|         [ e a b c d  7 S1 41 T13 ]
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|         [ d e a b c  0 S1 42 T13 ]
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|         [ c d e a b  6 S1 43 T13 ]
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|         [ b c d e a 13 S1 44 T13 ]
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|         [ a b c d e 11 S1 45 T13 ]
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|         [ e a b c d  5 S1 46 T13 ]
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|         [ d e a b c 12 S1 47 T13 ]
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|     } [ H ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-I1) ( block state1 -- )
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|     { uint-array uint-array } declare {
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|         [ c d e a b  1 S1 48 T14 ]
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|         [ b c d e a  9 S1 49 T14 ]
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|         [ a b c d e 11 S1 50 T14 ]
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|         [ e a b c d 10 S1 51 T14 ]
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|         [ d e a b c  0 S1 52 T14 ]
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|         [ c d e a b  8 S1 53 T14 ]
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|         [ b c d e a 12 S1 54 T14 ]
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|         [ a b c d e  4 S1 55 T14 ]
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|         [ e a b c d 13 S1 56 T14 ]
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|         [ d e a b c  3 S1 57 T14 ]
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|         [ c d e a b  7 S1 58 T14 ]
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|         [ b c d e a 15 S1 59 T14 ]
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|         [ a b c d e 14 S1 60 T14 ]
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|         [ e a b c d  5 S1 61 T14 ]
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|         [ d e a b c  6 S1 62 T14 ]
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|         [ c d e a b  2 S1 63 T14 ]
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|     } [ I ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-J1) ( block state1 -- )
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|     { uint-array uint-array } declare {
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|         [ b c d e a  4 S1 64 T15 ]
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|         [ a b c d e  0 S1 65 T15 ]
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|         [ e a b c d  5 S1 66 T15 ]
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|         [ d e a b c  9 S1 67 T15 ]
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|         [ c d e a b  7 S1 68 T15 ]
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|         [ b c d e a 12 S1 69 T15 ]
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|         [ a b c d e  2 S1 70 T15 ]
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|         [ e a b c d 10 S1 71 T15 ]
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|         [ d e a b c 14 S1 72 T15 ]
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|         [ c d e a b  1 S1 73 T15 ]
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|         [ b c d e a  3 S1 74 T15 ]
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|         [ a b c d e  8 S1 75 T15 ]
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|         [ e a b c d 11 S1 76 T15 ]
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|         [ d e a b c  6 S1 77 T15 ]
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|         [ c d e a b 15 S1 78 T15 ]
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|         [ b c d e a 13 S1 79 T15 ]
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|     } [ J ] with-ripemd-160-round ;
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| 
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| 
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| : (process-ripemd-160-block-J2) ( block state2 -- )
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|     { uint-array uint-array } declare {
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|         [ a b c d e  5 S2  0 T21 ]
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|         [ e a b c d 14 S2  1 T21 ]
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|         [ d e a b c  7 S2  2 T21 ]
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|         [ c d e a b  0 S2  3 T21 ]
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|         [ b c d e a  9 S2  4 T21 ]
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|         [ a b c d e  2 S2  5 T21 ]
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|         [ e a b c d 11 S2  6 T21 ]
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|         [ d e a b c  4 S2  7 T21 ]
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|         [ c d e a b 13 S2  8 T21 ]
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|         [ b c d e a  6 S2  9 T21 ]
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|         [ a b c d e 15 S2 10 T21 ]
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|         [ e a b c d  8 S2 11 T21 ]
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|         [ d e a b c  1 S2 12 T21 ]
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|         [ c d e a b 10 S2 13 T21 ]
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|         [ b c d e a  3 S2 14 T21 ]
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|         [ a b c d e 12 S2 15 T21 ]
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|     } [ J ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-I2) ( block state2 -- )
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|     { uint-array uint-array } declare {
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|         [ e a b c d  6 S2 16 T22 ]
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|         [ d e a b c 11 S2 17 T22 ]
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|         [ c d e a b  3 S2 18 T22 ]
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|         [ b c d e a  7 S2 19 T22 ]
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|         [ a b c d e  0 S2 20 T22 ]
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|         [ e a b c d 13 S2 21 T22 ]
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|         [ d e a b c  5 S2 22 T22 ]
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|         [ c d e a b 10 S2 23 T22 ]
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|         [ b c d e a 14 S2 24 T22 ]
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|         [ a b c d e 15 S2 25 T22 ]
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|         [ e a b c d  8 S2 26 T22 ]
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|         [ d e a b c 12 S2 27 T22 ]
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|         [ c d e a b  4 S2 28 T22 ]
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|         [ b c d e a  9 S2 29 T22 ]
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|         [ a b c d e  1 S2 30 T22 ]
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|         [ e a b c d  2 S2 31 T22 ]
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|     } [ I ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-H2) ( block state2 -- )
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|     { uint-array uint-array } declare {
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|         [ d e a b c 15 S2 32 T23 ]
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|         [ c d e a b  5 S2 33 T23 ]
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|         [ b c d e a  1 S2 34 T23 ]
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|         [ a b c d e  3 S2 35 T23 ]
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|         [ e a b c d  7 S2 36 T23 ]
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|         [ d e a b c 14 S2 37 T23 ]
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|         [ c d e a b  6 S2 38 T23 ]
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|         [ b c d e a  9 S2 39 T23 ]
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|         [ a b c d e 11 S2 40 T23 ]
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|         [ e a b c d  8 S2 41 T23 ]
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|         [ d e a b c 12 S2 42 T23 ]
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|         [ c d e a b  2 S2 43 T23 ]
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|         [ b c d e a 10 S2 44 T23 ]
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|         [ a b c d e  0 S2 45 T23 ]
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|         [ e a b c d  4 S2 46 T23 ]
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|         [ d e a b c 13 S2 47 T23 ]
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|     } [ H ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-G2) ( block state2 -- )
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|     { uint-array uint-array } declare {
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|         [ c d e a b  8 S2 48 T24 ]
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|         [ b c d e a  6 S2 49 T24 ]
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|         [ a b c d e  4 S2 50 T24 ]
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|         [ e a b c d  1 S2 51 T24 ]
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|         [ d e a b c  3 S2 52 T24 ]
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|         [ c d e a b 11 S2 53 T24 ]
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|         [ b c d e a 15 S2 54 T24 ]
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|         [ a b c d e  0 S2 55 T24 ]
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|         [ e a b c d  5 S2 56 T24 ]
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|         [ d e a b c 12 S2 57 T24 ]
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|         [ c d e a b  2 S2 58 T24 ]
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|         [ b c d e a 13 S2 59 T24 ]
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|         [ a b c d e  9 S2 60 T24 ]
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|         [ e a b c d  7 S2 61 T24 ]
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|         [ d e a b c 10 S2 62 T24 ]
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|         [ c d e a b 14 S2 63 T24 ]
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|     } [ G ] with-ripemd-160-round ;
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| 
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| : (process-ripemd-160-block-F2) ( block state2 -- )
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|     { uint-array uint-array } declare {
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|         [ b c d e a 12 S2 64 T25 ]
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|         [ a b c d e 15 S2 65 T25 ]
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|         [ e a b c d 10 S2 66 T25 ]
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|         [ d e a b c  4 S2 67 T25 ]
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|         [ c d e a b  1 S2 68 T25 ]
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|         [ b c d e a  5 S2 69 T25 ]
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|         [ a b c d e  8 S2 70 T25 ]
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|         [ e a b c d  7 S2 71 T25 ]
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|         [ d e a b c  6 S2 72 T25 ]
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|         [ c d e a b  2 S2 73 T25 ]
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|         [ b c d e a 13 S2 74 T25 ]
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|         [ a b c d e 14 S2 75 T25 ]
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|         [ e a b c d  0 S2 76 T25 ]
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|         [ d e a b c  3 S2 77 T25 ]
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|         [ c d e a b  9 S2 78 T25 ]
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|         [ b c d e a 11 S2 79 T25 ]
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|     } [ F ] with-ripemd-160-round ;
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| 
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| : byte-array>le ( byte-array -- byte-array )
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|     little-endian? [
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|         dup 4 <groups> [
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|             [ [ 1 2 ] dip exchange-unsafe ]
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|             [ [ 0 3 ] dip exchange-unsafe ] bi
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|         ] each
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|     ] unless ;
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| 
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| HINTS: byte-array>le byte-array ;
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| 
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| M: ripemd-160-state checksum-block
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|     [
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|         [ byte-array>le uint cast-array ] dip [
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|         state1>> {
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|             [ (process-ripemd-160-block-F1) ]
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|             [ (process-ripemd-160-block-G1) ]
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|             [ (process-ripemd-160-block-H1) ]
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|             [ (process-ripemd-160-block-I1) ]
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|             [ (process-ripemd-160-block-J1) ]
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|         } 2cleave ] [
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|         state2>> {
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|             [ (process-ripemd-160-block-J2) ]
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|             [ (process-ripemd-160-block-I2) ]
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|             [ (process-ripemd-160-block-H2) ]
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|             [ (process-ripemd-160-block-G2) ]
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|             [ (process-ripemd-160-block-F2) ]
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|         } 2cleave ] 2bi
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|     ] [
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|         update-ripemd-160
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|     ] bi ;
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| 
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| : ripemd-160>checksum ( ripemd-160 -- bytes )
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|     old-state>> underlying>> byte-array>le ;
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| 
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| M: ripemd-160-state clone
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|     call-next-method
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|     [ clone ] change-state1 [ clone ] change-state2
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|     [ clone ] change-old-state ;
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| 
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| M: ripemd-160-state get-checksum
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|     clone
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|     [ bytes>> f ] [ bytes-read>> pad-last-block ] [ ] tri
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|     [ [ checksum-block ] curry each ] [ ripemd-160>checksum ] bi ;
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| 
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| PRIVATE>
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