[Cryptography] Better Version of Triple-DES

Jerry Leichter leichter at lrw.com
Tue Oct 21 11:47:25 EDT 2014


On Oct 20, 2014, at 8:35 PM, Ryan Carboni <ryacko at gmail.com> wrote:
> Might be wrong, but I think this would be a better version of TripleDES, Have the first encryption be DES in CTR mode, the second encryption being the data, and the third encryption being CTR mode again. Since CTR mode is a stream cipher, it would be DES-X style key-whitening, except the full 168-bit key would be usable.
Please define "better".  (You should probably also define what "the second encrypting being the data" is supposed to mean.)
                                                        -- Jerry


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