Re: [PATCH 0/4] crypto: caam - add ecb mode support

From: Eric Biggers
Date: Wed Feb 13 2019 - 13:51:49 EST

On Wed, Feb 13, 2019 at 06:45:16PM +0000, Horia Geanta wrote:
> On 2/9/2019 11:52 PM, Eric Biggers wrote:
> > Do you have an actual use case for adding more DES, 3DES, and ARC4
> > implementations, or are you simply adding them because the hardware happens to
> > supports it? These old ciphers are insecure, so IMO more implementations should
> > only be added if there is a real use case where they're absolutely needed.
> >
> One legit use case is PIN encryption in Point of Sale solution.
> Horia

You are claiming you need DES-ECB, 3DES-ECB, *and* ARC4 for that?

Which one is it actually, if any?