Re: Weakness of Feistel ciphers

In article <7xvet5juun.fsf@xxxxxxxxxxxxxxxxxxx>,
Paul Rubin <> wrote:
kim@xxxxxxxxxxx (Kim G. S. Øyhus) writes:
Anyway, I must use a cryptographic PRNG, since it must be invertible.

What are you talking about? You mean you need a block cipher? Use AES.

That is why I had to construct them myself. I had planned on never
disigning a cipher, but here I am.

Don't even think of designing your own cipher. Use AES.

I do not know of any usable ciphers having the properties I need,
hence I had to construct it myself. Sorry I cannot tell you more.