char *quncrypt(char *pw) { static char newpw[14]; int i; int j,rot; int bit,ofs; char salt[2]; int temp;
salt[0]=*pw++; salt[1]=*pw++; for (i=0;i<72;i++) bits[i]=0; for (i=0;i<12;i++) newpw[i]=ascii2bin(pw[i]); newpw[13]=0; rot=(salt[1]*4-salt[0])%128; /* here's all the salt does. A rotation */ for (i=0;i<12;i++) { for (j=0;j<6;j++) { bit=newpw[i]&(1<<j); /* move password into bit array */ bits[i*6+j]=bit?1:0; } } while (rot--) /* do the big rotate */ { bits[66]=bits[0]; for (i=0;i<=65;i++) bits[i]=bits[i+1]; }
for (i=0;i<8;i++) { newpw[i]=0; for (j=0;j<7;j++) { bit=bits[i+j*8]; newpw[i]|=(bit<<j); /* and compile the bit array back */ } } newpw[8]=0; return newpw; }
