Most of the strong ones I know of are block ciphers such as RC5 or RSA.
Incidentally, I don't have a lot of faith in DES. To my mind its kind of hacked
together, and its not expandable.
Are you after public or private key?
PS - anybody know a good stream cipher?
David
Greg Saunders wrote:
>
> At 11:52 AM 5/17/00 -0700, Mike Sheldon wrote:
> >From looking at it, it's definitely different.
> >
> >However, it's also very definitely a stream-type cipher, not DES. This one
> >produces exactly 2n bytes ciphertext for every byte plaintext input. I don't
> >think I'd trust this one to casual cryptanalysis either.
> >
> >Using this one may be more convenient, but will not be supported by Allaire,
> >and may be changed/removed at any time. The "secret" for working with output
> >from cfencrypt() is to base64 encode the results.
> >
> >All of this REALLY bugs the daylights out of me. There are free,
> >cryptographically strong algorithms out there that have been tested and
> >considered secure. There's no excuse for not using them.
>
> Care to suggest a few? I've seen several, but I'm not sure how to evaluate
> them.
>
> Thanks,
>
> Gregory M. Saunders, Ph.D.
> Senior Design Architect
> Cognitive Arts Corporation (http://www.cognitivearts.com)
> 120 S. Riverside Plaza, Suite 1520
> Chicago, IL 60606
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