[Cryptography] block size / block cipher versus stream cipher

[jrzx]

On Sunday, March 21, 2021 3:49 PM, Kristian Gjøsteen <kristian.gjosteen at ntnu.no> wrote:
> The block cipher design paradigm has been a roaring success.
> We are in a position where an idiot like me can safely us
> block cipher to design cryptosystems and prove solid>
>theorems about their security.

I don't think I am a complete idiot, and it is non trivial for me to implement the block cipher paradigm without screwing up.

You wind up doing a lot of clever and complicated things with nonces and key scheduling.

Allegedly, a great many people do screw up.