111 lines
2.1 KiB
Plaintext
111 lines
2.1 KiB
Plaintext
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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,$n);
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@a=&xor(*a,*z);
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}
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sub HPERM_OP2
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{
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local(*a,*t,$n,$m)=@_;
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local(@x,@y,$i);
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@z=&shift(*a,16-$n);
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@z=&xor(*a,*z);
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@z=&and(*z,$m);
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@a=&xor(*a,*z);
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@z=&shift(*z,$n-16);
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@a=&xor(*a,*z);
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}
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sub HPERM_OP
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{
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local(*a,*t,$n,$m)=@_;
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local(@x,@y,$i);
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for ($i=0; $i<16; $i++)
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{
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$x[$i]=$a[$i];
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$y[$i]=$a[16+$i];
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}
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@z=&shift(*x,-$n);
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@z=&xor(*y,*z);
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@z=&and(*z,$m);
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@y=&xor(*y,*z);
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@z=&shift(*z,$n);
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@x=&xor(*x,*z);
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for ($i=0; $i<16; $i++)
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{
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$a[$i]=$x[$i];
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$a[16+$i]=$y[$i];
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}
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}
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@L=@l;
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@R=@r;
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print "---\n"; &printit(@R);
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&PERM_OP(*R,*L,*T,4,0x0f0f0f0f);
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print "---\n"; &printit(@R);
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&HPERM_OP2(*L,*T,-2,0xcccc0000);
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&HPERM_OP2(*R,*T,-2,0xcccc0000);
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print "---\n"; &printit(@R);
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&PERM_OP(*R,*L,*T,1,0x55555555);
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print "---\n"; &printit(@R);
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&PERM_OP(*L,*R,*T,8,0x00ff00ff);
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print "---\n"; &printit(@R);
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&PERM_OP(*R,*L,*T,1,0x55555555);
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print "---\n"; &printit(@R);
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# &printit(@L);
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&printit(@R);
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print <<"EOF";
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==============================
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63 55 47 39 31 23 15 7
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62 54 46 38 30 22 14 6
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61 53 45 37 29 21 13 5
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60 52 44 36 -- -- -- --
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57 49 41 33 25 17 9 1
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58 50 42 34 26 18 10 2
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59 51 43 35 27 19 11 3
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28 20 12 4 -- -- -- --
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EOF
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exit(1);
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@A=&and(*R,0x000000ff);
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@A=&shift(*A,16);
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@B=&and(*R,0x0000ff00);
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@C=&and(*R,0x00ff0000);
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@C=&shift(*C,-16);
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@D=&and(*L,0xf0000000);
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@D=&shift(*D,-4);
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@A=&or(*A,*B);
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@B=&or(*D,*C);
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@R=&or(*A,*B);
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@L=&and(*L,0x0fffffff);
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&printit(@L);
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&printit(@R);
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