openssl/crypto/bn/m.pl
1998-12-21 11:00:56 +00:00

33 lines
505 B
Raku

#!/usr/local/bin/perl
for ($i=0; $i<256; $i++)
{
for ($j=0; $j<256; $j++)
{
$a0=$i&0x0f;
$a1=($i>>4)&0x0f;
$b0=$j&0x0f;
$b1=($j>>4)&0x0f;
$a0b0=$a0*$b0;
$a1b1=$a1*$b1;
$a01=$a0-$a1;
$b10=$b1-$b0;
$a01b10=$a01*$b10;
if ($a01b10 < 0)
{
$neg=1;
$a01b10= -$a01b10;
}
$t=($a0b0>>4)+($a0b0&0x0f)+($a1b1&0x0f);
if ($neg)
{ $t-=($a01b10&0x0f); }
else { $t+=($a01b10&0x0f); }
printf("%02X %s%02X %02X\n",$a1b1,($neg)?"-":" ",$a01b10,$a0b0)
if ($t < 0)
}
}