#include #include #include int passtokey(char *key, char *p) { uchar buf[ANAMELEN], *t; int i, n; n = strlen(p); if(n >= ANAMELEN) n = ANAMELEN-1; memset(buf, ' ', 8); t = buf; strncpy((char*)t, p, n); t[n] = 0; memset(key, 0, DESKEYLEN); for(;;){ for(i = 0; i < DESKEYLEN; i++) key[i] = (t[i] >> i) + (t[i+1] << (8 - (i+1))); if(n <= 8) return 1; n -= 8; t += 8; if(n < 8){ t -= 8 - n; n = 8; } encrypt(key, t, 8); } }