symmetric encryption broken

L. Sassaman rabbi@quickie.net
Sun Mar 11 18:43:04 2001


On Fri, 9 Mar 2001, Matthias Urlichs wrote:


> Hi,
>
> Michael H. Warfield:
> > Huh... Wait a minute. You're encrypting it once and then
> > encrypting it a second time. What are you trying to accomplish here?
> >
> Some ciphers are symmetric. If you DES-encrypt something, and then "encrypt"
> the ciphertext again, you magically get the plaintext back.
Uhhh... not quite. With "symmetric" ciphers, you use the same key to encrypt as well as decrypt. Methinks you're a bit confused. __ L. Sassaman Security Architect | "Belief is nearly the whole of the Technology Consultant | Universe, whether based on truth or not." | http://sion.quickie.net | --Kurt Vonnegut, Jr.