Re: Fast Encryption

From:
"Jonathan Wood" <jwood@softcircuits.com>
Newsgroups:
microsoft.public.vc.mfc
Date:
Fri, 6 Feb 2009 19:39:52 -0700
Message-ID:
<eODsb1MiJHA.956@TK2MSFTNGP05.phx.gbl>
Unfortunately, I'm not all that knowledgeable on encryption. The one I'm
playing with was found at:

http://www.codeproject.com/KB/security/crypt_routine.aspx

I've been able to optimize it a but would like it faster on large files. I'm
thinking the crypto stuff would actually be slower.

I'm certainly open to any suggestions though.

I'm looking at making a program so it stores its data encrypted. In most
cases, it would only need casual encryption. However, the program could
easily be used to store passwords, etc.

Thanks.

--
Jonathan Wood
SoftCircuits Programming
http://www.softcircuits.com
http://www.softcircuits.com/blog/

"David Ching" <dc@remove-this.dcsoft.com> wrote in message
news:C501DE76-97DC-4C63-8A76-806A8E4C883D@microsoft.com...

"Jonathan Wood" <jwood@softcircuits.com> wrote in message
news:%23U2S4jMiJHA.1388@TK2MSFTNGP06.phx.gbl...

Does anyone have any recommendations for an encryption library?

Good security would be nice but what I really need is something fast. I
think I also need the source code.

I found some sample algorithms, which I've implemented, but they just
don't seem fast enough.


What about MS Crypto API, functions starting with Crypt like
CryptAcquireContext()? An open source one is Crypto++. What kind of
algos are you wanting to use? Symmetric or Public key encryption?
Symmetric is much faster.

-- David

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