Groups > comp.lang.java.programmer > #8906

Re: Simple alphanumeric "encryption"?

Date	2011-10-17 08:13 -0400
From	Arne Vajhøj <arne@vajhoej.dk>
Newsgroups	comp.lang.java.programmer
Subject	Re: Simple alphanumeric "encryption"?
References	<S8idnWT1OekbSwbTnZ2dnUVZ_q-dnZ2d@westnet.com.au>
Message-ID	<4e9c1bd3$0$284$14726298@news.sunsite.dk> (permalink)
Organization	SunSITE.dk - Supporting Open source

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On 10/17/2011 3:16 AM, Qu0ll wrote:
> I need to be able to encrypt/code an arbitrary string of up to about 50
> alphanumeric characters into a string that also contains only
> alphanumeric characters. All of the encryption algorithms I have looked
> result in strings with non-ASCII characters in them (when the resulting
> bytes are turned into a string) which is not suitable.
>
> Is there a simple way to do this? It must be able to successfully be
> decrypted as well but doesn't need to be very sophisticated or extremely
> secure.

Why not use standard encryption *and* base64?

Otherwise there is always Caesar and Vigenere obfuscation
algorithms.

Arne

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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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