john-dev - Re: auditing our use of FMT_* flags (was: more robustness)

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Message-ID: <CABtNtWFw29_mErvUFz8uPyQG6Td4_WHDx_Nec3vPbWzm6O+kyg@mail.gmail.com>
Date: Wed, 12 Aug 2015 00:07:58 +0800
From: Kai Zhao <loverszhao@...il.com>
To: john-dev@...ts.openwall.com
Subject: Re: auditing our use of FMT_* flags (was: more robustness)

Hi JimF,

On Tue, Aug 11, 2015 at 2:45 AM, JimF <jfoug@....net> wrote:
> On Mon, 10 Aug 2015 11:48:55 -0500, Kai Zhao <loverszhao@...il.com> wrote:
>
>> Hi Alexander,
>>>
>>> .....
>>> Alexander
>>
>>
>> 1.  Add more test vectors to skein_256_tests[] and skein_512_tests[]
>>
>> Have not done, since I can not generate skein-256 and skein-512 now.
>> I will add when I get the pots or other ways to generate those hashes.
>>
>
> Have a look at this:
>
> $ ../run/john -test=0 -form='dynamic=skein256($p),debug'
> push
> app_p
> fskn256h
>
> crc32 = D96E50B6
> pExpr=skein256($p)
> extraParams=,debug
> signature=@...amic=skein256($p),debug@
> line1=@...amic=skein256($p)@0977b339c3c85927071805584d5460d8f20da8389bbe97c59b1cfac291fe9527
> line2=@...amic=skein256($p)@8adf4f8a6fabd34384c661e6c0f91efe9750a18ec6c4d02bcaf05b8246a10dcc
> line3=@...amic=skein256($p)@f2bf66b04f3e3e234d59f8126e52ba60baf2b0bca9aff437d87a6cf3675fe41a
>
> ##############################################################
> #  Dynamic script for expression skein256($p),debug
> ##############################################################
> Expression=dynamic=skein256($p)
> #  Flags for this format
> Flag=MGF_FLAT_BUFFERS
> Flag=MGF_KEYS_INPUT
> Flag=MGF_INPUT_32_BYTE
> #  Lengths used in this format
> MaxInputLenX86=110
> MaxInputLen=110
> #  The functions in the script
> Func=DynamicFunc__SKEIN256_crypt_input1_to_output1_FINAL
> #  The test hashes that validate this script
> Test=@...amic=skein256($p)@0977b339c3c85927071805584d5460d8f20da8389bbe97c59b1cfac291fe9527:abc
> Test=@...amic=skein256($p)@8adf4f8a6fabd34384c661e6c0f91efe9750a18ec6c4d02bcaf05b8246a10dcc:john
> Test=@...amic=skein256($p)@f2bf66b04f3e3e234d59f8126e52ba60baf2b0bca9aff437d87a6cf3675fe41a:passweird
>

Thanks for your advice ! It does help me to create more skein test vectors !

Thanks,

Kai

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