| Код |
#include <stdio.h>
unsigned char cmos(unsigned char addr)
{
asm {
mov al,addr
out 070h,al
nop
nop
in al,071h
}
return _AL;
}
unsigned char code(unsigned char csum, unsigned char key)
{
_BL = csum;
_AL = key;
l2: asm {
test bl,0c3h
jp l1
stc
}
l1: asm {
rcr bl,1
dec al
jne l2
}
return _BL;
}
void decode()
{
unsigned char csum;
char key;
char addr;
char c;
printf("Current password is: ");
csum = cmos(0x37) & 0xf0;
for(addr=0x38;addr<0x3e;addr++)
{
c = cmos(addr);
if (c == 0) break;
for(key=0x21;key<0x80;key++)
{
printf("\b%c",key);
int k = key;
if (k <= 0x7a && k >= 0x61) k-=0x20;
if (c == code(csum,k)) break;
}
if (key == 0x80)
{
printf(" - error!\n");
return;
}
printf(" ");
csum = c;
}
printf("\n");
}
void main()
{
decode();
}
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