linux-kernel - Re: [PATCH 0/4] crypto: caam

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Message-ID: <20190215061646.7fy6ihqxrvsrngc2@gondor.apana.org.au>
Date:   Fri, 15 Feb 2019 14:16:46 +0800
From:   Herbert Xu <herbert@...dor.apana.org.au>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Horia Geanta <horia.geanta@....com>,
        Iuliana Prodan <iuliana.prodan@....com>,
        Aymen Sghaier <aymen.sghaier@....com>,
        "David S. Miller" <davem@...emloft.net>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        dl-linux-imx <linux-imx@....com>
Subject: Re: [PATCH 0/4] crypto: caam - add ecb mode support

On Thu, Feb 14, 2019 at 09:54:47PM -0800, Eric Biggers wrote:
>
> Sure, but the bar shouldn't be so low that new implementations of insecure
> algorithms the world is moving away from are accepted without a real use case.
> We should be moving towards removing these algorithms instead.  The original DES
> is especially bad as it only has a 56-bit key.  I'd like to better understand
> if/why people claim to not only still need these algorithms in 2019, but also
> need brand new implementations of them.

If we're going to remove DES then we should remove all implementations
of it and not single out a single driver.

Cheers,
-- 
Email: Herbert Xu <herbert@...dor.apana.org.au>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt