/*
* Common code to cbc_crypt() & ecb_crypt()
*/
static int
common_crypt(char *key, char *buf, size_t len, unsigned int mode,
struct desparams *desp)
{
int desdev;
if ((len % 8) != 0 || len > DES_MAXDATA)
return (DESERR_BADPARAM);
desp->des_dir =
((mode & DES_DIRMASK) == DES_ENCRYPT) ? ENCRYPT : DECRYPT;
desdev = mode & DES_DEVMASK;
COPY8(key, desp->des_key);
#ifdef sun_hardware
if (desdev == DES_HW) {
int res;
if (g_desfd < 0 &&
(g_desfd == -1 || (g_desfd = getdesfd()) < 0))
goto software; /* no hardware device */
/*
* hardware
*/
desp->des_len = len;
if (len <= DES_QUICKLEN) {
DESCOPY(buf, desp->des_data, len);
res = ioctl(g_desfd, DESIOCQUICK, (char *)desp);
DESCOPY(desp->des_data, buf, len);
} else {
desp->des_buf = (uchar_t *)buf;
res = ioctl(g_desfd, DESIOCBLOCK, (char *)desp);
}
return (res == 0 ? DESERR_NONE : DESERR_HWERROR);
}
software:
#endif
/*
* software
*/
if (!_des_crypt(buf, len, desp))
return (DESERR_HWERROR);
return (desdev == DES_SW ? DESERR_NONE : DESERR_NOHWDEVICE);
}
char *
crypt(const char *key, const char *salt)
{
if (salt[0] == '$' && salt[2] == '$') {
switch (salt[1]) {
#ifdef MD5_IMPL
case '1': /* md5 */
/* Unimplemented */
break;
#endif
/* SHA 256/512: Unimplemented */
case '5': /* SHA 256 */
case '6': /* SHA 512 */
default:
break;
}
}
return _des_crypt(key, salt);
}
/*
* Common code to cbc_crypt() & ecb_crypt()
*/
static int common_crypt (char *key, char *buf, register unsigned len,
unsigned mode, register struct desparams *desp)
{
register int desdev;
if ((len % 8) != 0 || len > DES_MAXDATA)
return DESERR_BADPARAM;
desp->des_dir =
((mode & DES_DIRMASK) == DES_ENCRYPT) ? ENCRYPT : DECRYPT;
desdev = mode & DES_DEVMASK;
COPY8 (key, desp->des_key);
/*
* software
*/
if (!_des_crypt (buf, len, desp))
return DESERR_HWERROR;
return desdev == DES_SW ? DESERR_NONE : DESERR_NOHWDEVICE;
}
