[DUG] Enryption

Kyley Harris kyleyharris at gmail.com
Fri Oct 24 15:19:54 NZDT 2008


Great, glad I could help.

On Fri, Oct 24, 2008 at 3:49 PM, Robert martin <rob at chreos.co.nz> wrote:

> Works like a charm !!!!
>
> Kyley Harris wrote:
> > Sorry, to answer your question, the CBC is more secure, and the
> > initvector is basically a piece of data to start the encryption chain
> > because of the way CBC works by using a previous segment of data to
> > encrypt the next.. so you would create a piece of data.. consider it
> > like a password.. if you try to decrypt with the wrong init vector..
> > then you get garbage.
> >
> > On Fri, Oct 24, 2008 at 12:58 PM, Robert martin <rob at chreos.co.nz
> > <mailto:rob at chreos.co.nz>> wrote:
> >
> >     Hi Kyley
> >
> >     Just having a look at this now.  Which mode do you use, wiki says
> >     'ECB'
> >     might not be the safest although doesn't mention 'CBC' mode.
> >
> >     looking at
> >
> >     procedure EncryptAESStreamCBC(Source: TStream; Count: cardinal;
> >      const Key: TAESKey256; const InitVector: TAESBuffer; Dest: TStream);
> >     overload;
> >
> >     What is InitVector used for???
> >
> >     Sorry about any dumb questions.  I am by no means an expert on this!
> >
> >     Thanks
> >     Rob
> >
> >
> >
> >     Kyley Harris wrote:
> >     > Also, when I said "I have one" i didn't mean its mine.. copyright
> is
> >     > in the header.. it works well and easy to use.
> >     >
> >     > On Thu, Oct 23, 2008 at 5:23 PM, Robert martin <rob at chreos.co.nz
> >     <mailto:rob at chreos.co.nz>
> >     > <mailto:rob at chreos.co.nz <mailto:rob at chreos.co.nz>>> wrote:
> >     >
> >     >     Hi
> >     >
> >     >     I have a file I want to FTP to a site.  I want this file to be
> >     >     physically encrypted with something reasonably strong.  Does
> >     any body
> >     >     have some code / web pointer to a site that doesn't require
> >     extra
> >     >     components or dlls to do it.  I did a search on AES
> >     encryption and
> >     >     found
> >     >     lots of sites but most want me to use their components.  I
> >     just want
> >     >     some code !
> >     >
> >     >     Thanks
> >     >     Rob
> >     >     _______________________________________________
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> >     >
> >     >
> >     >
> >     >
> >     > --
> >     > Kyley Harris
> >     > Harris Software
> >     > +64-21-671-821
> >     >
> >
> ------------------------------------------------------------------------
> >     >
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> >
> >
> >
> > --
> > Kyley Harris
> > Harris Software
> > +64-21-671-821
> > ------------------------------------------------------------------------
> >
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-- 
Kyley Harris
Harris Software
+64-21-671-821
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