47 lines
831 B
Text
47 lines
831 B
Text
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#!/usr/local/bin/perl
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@l=(
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0, 1, 2, 3, 4, 5, 6, 7,
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8, 9,10,11,12,13,14,15,
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16,17,18,19,20,21,22,23,
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24,25,26,27,28,29,30,31
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);
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@r=(
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32,33,34,35,36,37,38,39,
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40,41,42,43,44,45,46,47,
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48,49,50,51,52,53,54,55,
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56,57,58,59,60,61,62,63
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);
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require 'shifts.pl';
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sub PERM_OP
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{
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local(*a,*b,*t,$n,$m)=@_;
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@z=&shift(*a,-$n);
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@z=&xor(*b,*z);
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@z=&and(*z,$m);
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@b=&xor(*b,*z);
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@z=&shift(*z,$n);
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@a=&xor(*a,*z);
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}
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@L=@l;
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@R=@r;
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&PERM_OP(*R,*L,*T,4,0x0f0f0f0f);
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&PERM_OP(*L,*R,*T,16,0x0000ffff);
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&PERM_OP(*R,*L,*T,2,0x33333333);
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&PERM_OP(*L,*R,*T,8,0x00ff00ff);
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&PERM_OP(*R,*L,*T,1,0x55555555);
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&printit(@L);
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&printit(@R);
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&PERM_OP(*R,*L,*T,1,0x55555555);
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&PERM_OP(*L,*R,*T,8,0x00ff00ff);
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&PERM_OP(*R,*L,*T,2,0x33333333);
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&PERM_OP(*L,*R,*T,16,0x0000ffff);
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&PERM_OP(*R,*L,*T,4,0x0f0f0f0f);
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&printit(@L);
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&printit(@R);
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