From: silvan delaney (silvandelaney at domain eircom.net)
Date: Thu 20 Sep 2001 - 02:25:21 IST
not cool or devious stuff at all if you consider that all these guy's are*
listening* very intently to almost every bullshit that's going round! don't
we have need for privacy, without throwing bombs?
silvan
..............................
----- Original Message -----
From: "Patrick Martin" <sheryle at domain mediaone.net>
To: "Silvan delaney" <silvandelaney at domain eircom.net>
Cc: <ilug at domain linux.ie>
Sent: Thursday, September 20, 2001 2:24 AM
Subject: Re: [ILUG] Re: please tell me
: My understanding of this is that they agree on a convention of exactly how
: they will hide the data within the image. For example, in the least
significant
: bit which describes the color of a pixel within an image. You'd never
notice
: that anything was off in the image yet the hidden message would be there
: nonetheless.
:
: You'd have to have an intimate understanding of the file format of the
image
: you were working with and all image formats wouldn't be a candidate. I'm
: not sure if GIF would be a viable candidate since it stores it's color
table
: at the beginning.
:
: Anyway, this is really only useful if you're trying to hide the fact that
you
: are communicating on the sly.
:
: Pretty cool and pretty devious stuff.
:
: - Pat
:
: Silvan delaney wrote:
:
: > hi ,
: > i hope one of you can give me a clear answer to question:
: > i want to do the following:
: > create an image as elaborate as you wish, any kind realy, and then
insert in miniature, read hidden, a little text message.
: > you know the one that one can't see if one just looks at picture/ image.
: > now i need this to work within the one programm or, alternatively, two
programms that understand either one.
: > the little snag i have for you is, that i need this on windoz me...
: > my computer: 1ghz, 256mb ram, plenty of memory i.e. giga.
: > silvan
: >
: > --
: > Irish Linux Users' Group: ilug at domain linux.ie
: > http://www.linux.ie/mailman/listinfo/ilug for (un)subscription
information.
: > List maintainer: listmaster at domain linux.ie
:
:
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