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Message-ID: <8ef15f248062af7adc38ab1becd73b8a@smtp.hushmail.com>
Date: Mon, 27 Jul 2015 11:24:21 +0200
From: magnum <john.magnum@...hmail.com>
To: john-dev@...ts.openwall.com
Subject: Re: auditing our use of FMT_* flags
On 2015-07-27 09:48, Kai Zhao wrote:
> What's the meaning of FMT_CASE ?
>
> /* Uses case-sensitive passwords */
> #define FMT_CASE 0x00000001
>
> Does it mean that the passwords are case-sensitive if FMT_CASE is set ?
> The passwords are case-insensitive if FMT_CASE is not set ?
>
> There are some formats that do not set FMT_CASE.
>
> LM, WoWSRP, mssql, nethalflm, netlm, oracle, sapb, saph
>
> I changed the case of passwords, but the self-test is failed. E.g.:
>
> LM_fmt.c
>
> static struct fmt_tests tests[] = {
> {"$LM$a9c604d244c4e99d", "AAAAAA"},
> {"$LM$cbc501a4d2227783", "AAAAAAA"},
> {"$LM$3466c2b0487fe39a", "CRACKPO"},
> {"$LM$dbc5e5cba8028091", "IMPUNIT"},
> {LM_EMPTY LM_EMPTY, ""},
> {"$LM$73cc402bd3e79175", "SCLEROS"},
> {"$LM$5ecd9236d21095ce", "YOKOHAM"},
> {"$LM$A5E6066DE61C3E35", "ZZZZZZZ"}, /* uppercase encoding */
> {"$LM$1FB363feB834C12D", "ZZZZZZ"}, /* mixed case encoding */
> {NULL}
> };
>
> $ ./john --test=0 --format=LM
> Will run 8 OpenMP threads
> Testing: LM [DES 256/256 AVX2-16]... (8xOMP) PASS
>
> Change the first password: "AAAAAA" -> "AAAAAa"
>
> $ ./john --test=0 --format=LM
> Will run 8 OpenMP threads
> Testing: LM [DES 256/256 AVX2-16]... (8xOMP) FAILED (get_key(0))
The format DOES change the case to upper but since the test vector still
has it in lower, it fails. This is just a current technical aspect of
self-tests, you can ignore it.
magnum
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