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Re: Simple alphanumeric "encryption"?

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Travers Naran <tnaran@gmail.com> wrote:

>On 17/10/2011 5:13 AM, Arne Vajhøj wrote:
>>
>> Otherwise there is always Caesar and Vigenere obfuscation
>> algorithms.
>
>Sony called.  They'd like to hire you to consult on their security 
>problems. :-)

The OP's problem is common. All I wanted to do was to send the user a
standard "click here to confirm your request" email with the user's
email address in the URL as the key to my database. 

My first thought was that I couldn't use the actual email address
because my user might be upset despite the fact that their email
address must already be included in my email. My second thought was
that _you_ might be the user. The result was that my encoding/decoding
source file is over 300 lines of pointless code because I used
(almost) standard Java encryption and base64 routines.

The "almost" in the previous sentence is because RFC 2045 includes
some characters in the base64 encoding that cannot be included in a
URL but can easily be replaced with characters that can.

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Thread

Simple alphanumeric "encryption"? "Qu0ll" <Qu0llSixFour@gmail.com> - 2011-10-17 18:16 +1100
  Re: Simple alphanumeric "encryption"? Arne Vajhøj <arne@vajhoej.dk> - 2011-10-17 08:13 -0400
    Re: Simple alphanumeric "encryption"? Travers Naran <tnaran@gmail.com> - 2011-10-18 06:47 -0700
      Re: Simple alphanumeric "encryption"? David Segall <david@address.invalid> - 2011-10-20 00:36 +1100
  Re: Simple alphanumeric "encryption"? Andreas Leitgeb <avl@gamma.logic.tuwien.ac.at> - 2011-10-17 12:27 +0000
  Re: Simple alphanumeric "encryption"? Tom Anderson <twic@urchin.earth.li> - 2011-10-17 16:45 +0100
    Re: Simple alphanumeric "encryption"? "Qu0ll" <Qu0llSixFour@gmail.com> - 2011-10-18 14:18 +1100
      Re: Simple alphanumeric "encryption"? "Qu0ll" <Qu0llSixFour@gmail.com> - 2011-10-18 14:25 +1100
      Re: Simple alphanumeric "encryption"? Lew <lewbloch@gmail.com> - 2011-10-18 08:43 -0700
      Re: Simple alphanumeric "encryption"? Tom Anderson <twic@urchin.earth.li> - 2011-10-20 20:57 +0100
  Re: Simple alphanumeric "encryption"? B1ll Gat3s <wm.g4t3s@m1cr0s0f7.c0m> - 2011-10-17 21:33 -0400
  Re: Simple alphanumeric "encryption"? Roedy Green <see_website@mindprod.com.invalid> - 2011-10-20 13:32 -0700
  Re: Simple alphanumeric "encryption"? Roedy Green <see_website@mindprod.com.invalid> - 2011-10-20 13:36 -0700

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