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From: Hans Hagen <j.hagen@xs4all.nl>
To: mailing list for ConTeXt users <ntg-context@ntg.nl>
Subject: Re: SHA512 for LuaTeX-5.2
Date: Mon, 23 Jul 2018 18:23:03 +0200	[thread overview]
Message-ID: <9ce81561-dc93-cab4-6cc7-b4e5f98350c9@xs4all.nl> (raw)
In-Reply-To: <76e4b5a8-077e-c0b7-454c-b8cd9d4aa243@gmx.es>

On 7/23/2018 6:04 PM, Pablo Rodriguez wrote:
> On 07/23/2018 05:42 PM, Hans Hagen wrote:
>> On 7/23/2018 4:51 PM, Pablo Rodriguez wrote:
>>> On 07/22/2018 10:56 PM, Hans Hagen wrote:
>>>> why not use
>>>>
>>>> utilities.sha2.hash512(str)
>>>
>>> Many thanks for your reply, Hans.
>>>
>>>       \starttext
>>>       \def\hashfive#1{\ctxlua{context(utilities.sha2.hash512("#1"))}}
>>>       \hashfive{a}
>>>       \stoptext
>>>
>>> ConTeXt complains:
>>>
>>>       [ctxlua]:1: attempt to index field 'sha2' (a nil value)
>>>
>>> What am I doing wrong?
>>
>> require("util-sha")
> 
> Many thanks for your reply, Hans.
> 
> It works like a charm.
> 
> Would it be possible to use the function to hash external binary files?
> 
> Many thanks for your help,
utilities.sha2.hash512(io.loaddata("foo.bin"))

on the average it's fast enough

(luatex 1.09+ will have a faster variant)

Hans

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  reply	other threads:[~2018-07-23 16:23 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-07-22 16:45 Pablo Rodriguez
2018-07-22 20:56 ` Hans Hagen
2018-07-23 14:51   ` Pablo Rodriguez
2018-07-23 15:42     ` Hans Hagen
2018-07-23 16:04       ` Pablo Rodriguez
2018-07-23 16:23         ` Hans Hagen [this message]
2018-07-23 16:46           ` Pablo Rodriguez

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