diff options
Diffstat (limited to 'secure/lib/libdes/doPC1')
-rw-r--r-- | secure/lib/libdes/doPC1 | 110 |
1 files changed, 0 insertions, 110 deletions
diff --git a/secure/lib/libdes/doPC1 b/secure/lib/libdes/doPC1 deleted file mode 100644 index 096afd8..0000000 --- a/secure/lib/libdes/doPC1 +++ /dev/null @@ -1,110 +0,0 @@ -#!/usr/local/bin/perl - -@l=( - 0, 1, 2, 3, 4, 5, 6, 7, - 8, 9,10,11,12,13,14,15, - 16,17,18,19,20,21,22,23, - 24,25,26,27,28,29,30,31 - ); -@r=( - 32,33,34,35,36,37,38,39, - 40,41,42,43,44,45,46,47, - 48,49,50,51,52,53,54,55, - 56,57,58,59,60,61,62,63 - ); - -require 'shifts.pl'; - -sub PERM_OP - { - local(*a,*b,*t,$n,$m)=@_; - - @z=&shift(*a,-$n); - @z=&xor(*b,*z); - @z=&and(*z,$m); - @b=&xor(*b,*z); - @z=&shift(*z,$n); - @a=&xor(*a,*z); - } - -sub HPERM_OP2 - { - local(*a,*t,$n,$m)=@_; - local(@x,@y,$i); - - @z=&shift(*a,16-$n); - @z=&xor(*a,*z); - @z=&and(*z,$m); - @a=&xor(*a,*z); - @z=&shift(*z,$n-16); - @a=&xor(*a,*z); - } - -sub HPERM_OP - { - local(*a,*t,$n,$m)=@_; - local(@x,@y,$i); - - for ($i=0; $i<16; $i++) - { - $x[$i]=$a[$i]; - $y[$i]=$a[16+$i]; - } - @z=&shift(*x,-$n); - @z=&xor(*y,*z); - @z=&and(*z,$m); - @y=&xor(*y,*z); - @z=&shift(*z,$n); - @x=&xor(*x,*z); - for ($i=0; $i<16; $i++) - { - $a[$i]=$x[$i]; - $a[16+$i]=$y[$i]; - } - } - -@L=@l; -@R=@r; - - print "---\n"; &printit(@R); -&PERM_OP(*R,*L,*T,4,0x0f0f0f0f); - print "---\n"; &printit(@R); -&HPERM_OP2(*L,*T,-2,0xcccc0000); -&HPERM_OP2(*R,*T,-2,0xcccc0000); - print "---\n"; &printit(@R); -&PERM_OP(*R,*L,*T,1,0x55555555); - print "---\n"; &printit(@R); -&PERM_OP(*L,*R,*T,8,0x00ff00ff); - print "---\n"; &printit(@R); -&PERM_OP(*R,*L,*T,1,0x55555555); - print "---\n"; &printit(@R); -# &printit(@L); - &printit(@R); -print <<"EOF"; -============================== -63 55 47 39 31 23 15 7 -62 54 46 38 30 22 14 6 -61 53 45 37 29 21 13 5 -60 52 44 36 -- -- -- -- - -57 49 41 33 25 17 9 1 -58 50 42 34 26 18 10 2 -59 51 43 35 27 19 11 3 -28 20 12 4 -- -- -- -- -EOF -exit(1); -@A=&and(*R,0x000000ff); -@A=&shift(*A,16); -@B=&and(*R,0x0000ff00); -@C=&and(*R,0x00ff0000); -@C=&shift(*C,-16); -@D=&and(*L,0xf0000000); -@D=&shift(*D,-4); -@A=&or(*A,*B); -@B=&or(*D,*C); -@R=&or(*A,*B); -@L=&and(*L,0x0fffffff); - - &printit(@L); - &printit(@R); - |