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Groups > microsoft.public.scripting.vbscript > #11839

Re: Decode-email

Path csiph.com!eternal-september.org!feeder.eternal-september.org!reader02.eternal-september.org!.POSTED!not-for-mail
From GS <gs@v.invalid>
Newsgroups microsoft.public.scripting.vbscript
Subject Re: Decode-email
Date Fri, 16 Feb 2018 23:32:28 -0500
Organization A noiseless patient Spider
Lines 56
Message-ID <p68b8t$9kh$1@dont-email.me> (permalink)
References <p65b0i$lv6$1@dont-email.me> <ljcgouzp7580$.vcj771vl6v39.dlg@40tude.net> <p67qbo$kag$1@dont-email.me> <p67v6u$euc$1@dont-email.me> <p68aec$4gu$1@dont-email.me>
Mime-Version 1.0
Content-Type text/plain; charset="iso-8859-15"; format=flowed
Content-Transfer-Encoding 8bit
Injection-Date Sat, 17 Feb 2018 04:32:30 -0000 (UTC)
Injection-Info reader02.eternal-september.org; posting-host="0fe33124a0f6f33121573e27ebe97516"; logging-data="9873"; mail-complaints-to="abuse@eternal-september.org"; posting-account="U2FsdGVkX1+IbCHOyk76uAA+yo8EGPgc"
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X-ICQ 543516788
Xref csiph.com microsoft.public.scripting.vbscript:11839

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> "GS" <gs@v.invalid> wrote
>
>>>> You might be interrested on CloudFlare's encrypted email.
>>> 
>>>   Cloudflare is the one I wrote it for. Though I'd
>>> guess there may be other sites using it. I had
>>> to figure it out by tracking the values as the
>>> loop ran.
>> 
>> I'm thinking they use their own proprietary version since a generic  version
>> would be too easy to hack. More likely that Perl(1) or PHP(2) is used!
>> 
>   No, they're using javascript. It's a popular, small script
> that's available online:
>   
> http://codegists.com/snippet/javascript/email-decodeminjs_zhanglianxin_javascript
>
>   Nobody does proprietary. :) Most webmasters don't
> knw how to write code. They just use stuff others
> have written. If you pull in the various script llibraries
> used by big websites you'll usually see things like
> an MIT license and author info in them.
>
>   The way I worked out the code was to run the
> link to the javascript file in the source code, get
> that into the browser, and copy it. What surprises
> me is how complex it is. There's no concern with
> hacking. They'd need something a lot more fancy
> for that.
>
>  I think I figured out why some numbers don't work.
> I'm curious how you found the range that fails. In
> any case, I tried 44, in one of the ranges you noted
> didn't work. Then I looked at the result and realized
> that the problem was a single-character hex code.
> A period is 46. 44 xor 46 is 2. That results in all following
> characters being misread. But it can be fixed by adding a 0.
>
> s2 = Hex(iKey)
> For i = 1 to Len(sEmail)
>     iVal = Asc(Mid(sEmail, i, 1))
>     iVal = iVal XOR iKey
>    '-- make sure a 0 is prepended if Hex result is only one character.
>     s2 = s2 & Right( "00" & Hex(iVal), 2)
>  Next

I tested each 2 digit possibility. I'll modify your code with this update and 
redo the tests...

-- 
Garry

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Thread

Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-15 20:09 -0500
  Re: Decode-email GS <gs@v.invalid> - 2018-02-15 22:52 -0500
    Re: Decode-email GS <gs@v.invalid> - 2018-02-15 23:02 -0500
    Re: Decode-email GS <gs@v.invalid> - 2018-02-15 23:34 -0500
    Re: Decode-email GS <gs@v.invalid> - 2018-02-16 00:44 -0500
      Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-16 09:46 -0500
        Re: Decode-email JJ <jj4public@vfemail.net> - 2018-02-17 22:00 +0700
  Re: Decode-email JJ <jj4public@vfemail.net> - 2018-02-17 01:46 +0700
    Re: Decode-email GS <gs@v.invalid> - 2018-02-16 15:30 -0500
      Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 09:29 -0500
      Re: Decode-email JJ <jj4public@vfemail.net> - 2018-02-17 21:47 +0700
        Re: Decode-email GS <gs@v.invalid> - 2018-02-17 19:51 -0500
          Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 20:33 -0500
            Re: Decode-email GS <gs@v.invalid> - 2018-02-17 21:40 -0500
              Re: Decode-email GS <gs@v.invalid> - 2018-02-17 21:43 -0500
              Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 22:57 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-17 23:10 -0500
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 23:18 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-17 23:41 -0500
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-18 10:23 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-18 10:38 -0500
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-18 11:09 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-18 13:20 -0500
          Re: Decode-email JJ <jj4public@vfemail.net> - 2018-02-18 09:47 +0700
            Re: Decode-email GS <gs@v.invalid> - 2018-02-17 21:50 -0500
    Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-16 18:43 -0500
      Re: Decode-email GS <gs@v.invalid> - 2018-02-16 20:06 -0500
        Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-16 23:18 -0500
          Re: Decode-email GS <gs@v.invalid> - 2018-02-16 23:32 -0500
          Re: Decode-email GS <gs@v.invalid> - 2018-02-17 00:00 -0500
            Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 09:24 -0500
              Re: Decode-email "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2018-02-17 16:07 +0100
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 10:46 -0500
                Re: Decode-email "Evertjan." <exxjxw.hannivoort@inter.nl.net> - 2018-02-17 18:18 +0100
              Re: Decode-email GS <gs@v.invalid> - 2018-02-17 21:46 -0500
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-17 23:09 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-17 23:13 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-17 23:23 -0500
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-18 10:32 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-18 10:41 -0500
                Re: Decode-email "Mayayana" <mayayana@invalid.nospam> - 2018-02-18 16:30 -0500
                Re: Decode-email GS <gs@v.invalid> - 2018-02-18 16:41 -0500

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