On 11/16/1999 11:46 -0600, Tim Walberg wrote:
>>=09
>> It's been a while since I've looked at this, but IIRC, the salt in this
>> case should be "$1$hI.ost8u$", not "$1"... the "$1$" identifies to the
>> crypt function to use the MD5 algorithm, rather than the DES variant,
>> the
>> "hI.ost8u" portion is the actual salt, followed by another "$"
>> terminator.
>> Using a salt string that does not start with "$1$" results in the legacy
>> DES variant crypt functionality.
>>=09
>> I may not have gotten that all right, but it should give you someplace
>> to start - peruse the libc source for more details...
>>=09
additional info/example :
calvin:/tmp> cat x.c
#define _XOPEN_SOURCE
#include <unistd.h>
main()
{ printf("%s\n", crypt("fred", "$1$01234567"));
printf("%s\n", crypt("fred", "01234567"));
}
calvin:/tmp> cc -o x x.c -lcrypt && ./x
$1$01234567$3oTUhHaCBihUewpj5Rymp.
01i1MuiFifZLg
calvin:/tmp>
--=20
+------------------------------+--------------------------+
| Tim Walberg | Phone: 847-782-2472 |
| TERAbridge Technologies Corp | FAX: 847-623-1717 |
| 1375 Tri-State Parkway | twalberg@terabridge.com |
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+------------------------------+--------------------------+
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