[DUG] Enryption

[Robert martin]

Thanks Kylee

That explains it nicely.  Will have a go :)

Rob

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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