Date: Mon, 13 May 2013 08:25:17 +0200 From: magnum <john.magnum@...hmail.com> To: john-dev@...ts.openwall.com Subject: Re: Dyna and OpenSSL <1.0.0 On 13 May, 2013, at 7:16 , Alexander Cherepanov <cherepan@...me.ru> wrote: > Right now dynamic_1030 fails selftest in bleeding on a machine with Debian oldstable (openssl 0.9.8o): > > $ ../run/john --test=0 --format=dynamic_1030 > Error, unknown function: Func=DynamicFunc__WHIRLPOOL_crypt_input1_to_output1_FINAL > Error parsing section [List.Generic:dynamic_1030] > Error in line 487 file is ../run/dynamic.conf > Warning: doing quick benchmarking - the performance numbers will be inaccurate > Benchmarking: dynamic_1030, dynamic_1030 Whirlpool($pass) (first 32 bytes) [32/64 64x2 (MD5_body)]... FAILED (get_hash(0)) > > It's explained by the following comment in dynamic.h: > > * Added SHA2 (SHA224, SHA256, SHA384, SHA512), GOST, Whirlpool crypt types. > * Whirlpool only if OPENSSL_VERSION_NUMBER >= 0x10000000 > > But is it supposed to always fail selftest when OPENSSL_VERSION_NUMBER < 0x10000000 or it will somehow turn such formats off? I think it should de-register (or never register) the (sub)format that had conf errors. But this will only solve the self-test problem, we'll still see the conf load errors - and we'll see them at every invocation of john. I'm not sure how we want it to behave - deciding that might be harder than actually implementing it. For example, perhaps we should not parse dynamic.conf at all if we are running with -format=some-non-dynamic? This would save us from seeing that errors all the time. I just tried current code after busting dynamic_1001 on purpose: $ ../run/john -t -form:descrypt Error, unknown function: Func=Err_DynamicFunc__overwrite_from_last_output_to_input2_as_base16_no_size_fix Error parsing section [List.Generic:dynamic_1001] Error in line 13 file is ../run/dynamic.conf Benchmarking: descrypt, traditional crypt(3) [DES 128/128 AVX-16]... DONE Many salts: 5015K c/s real, 5015K c/s virtual Only one salt: 4779K c/s real, 4779K c/s virtual $ ../run/john -t -form:dynamic_21 Benchmarking: dynamic_21, dynamic_21: HTTP Digest Access Auth [128/128 AVX intrinsics 10x4x3]... DONE Many salts: 1803K c/s real, 1803K c/s virtual Only one salt: 1749K c/s real, 1749K c/s virtual For some reason, the second run does not emit the error. I think the first run should not either. magnum
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