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Groups > microsoft.public.scripting.vbscript > #11838

Re: Decode-email

From "Mayayana" <mayayana@invalid.nospam>
Newsgroups microsoft.public.scripting.vbscript
Subject Re: Decode-email
Date 2018-02-16 23:18 -0500
Organization A noiseless patient Spider
Message-ID <p68aec$4gu$1@dont-email.me> (permalink)
References <p65b0i$lv6$1@dont-email.me> <ljcgouzp7580$.vcj771vl6v39.dlg@40tude.net> <p67qbo$kag$1@dont-email.me> <p67v6u$euc$1@dont-email.me>

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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

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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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