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Date: Thu, 2 Jan 2014 12:57:15 +0100
From: Frank Dittrich <frank_dittrich@...mail.com>
To: john-dev@...ts.openwall.com
Subject: Re: ./john --test=0 --format=crypt --subformat=sun-md5
FAILED
On 01/02/2014 12:28 PM, magnum wrote:
> formats.c:249
> if (!current->fields[1])
> current->fields[1] = current->ciphertext;
> ciphertext = format->methods.prepare(current->fields, format);
> if (!ciphertext || strlen(ciphertext) < 7)
> return "prepare";
>
> I suppose we get a result shorter than 7. Replace that last line with eg:
> printf("prepare: '%s'\n", ciphertext);
>
Yes, the result has length 2: "*0". Not sure where this comes from
After your suggested change, it fails in valid()
Does this mean, my OpenSUSE 13.1 system should support sub-md5 hashes?
I can create a new account on that system, change the hash in
/etc/shadow to
"$md5$rounds=904$Vc3VgyFx44iS8.Yu$Scf90iLWN6O6mT9TA06NK/", and see if I
can login using "test" as a password.
But I'll have to do it later (in a few hours).
Are you sure your code is supposed to work?
$ (bleeding-jumbo)src $ git grep Vc3VgyFx44iS8.Yu
c3_fmt.c: salt =
"$md5$rounds=904$Vc3VgyFx44iS8.Yu$dummy";
sunmd5_fmt_plug.c:
{"$md5$rounds=904$Vc3VgyFx44iS8.Yu$Scf90iLWN6O6mT9TA06NK/", "test"},
sunmd5_fmt_plug.c:
{"$md5$rounds=904$Vc3VgyFx44iS8.Yu$mEyEet31IlEkO4HTeobmq0",
"012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789"},
Frank
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