linux-kernel - Re: [PATCH v7 03/11] crypto: rsa - unimplement sign/verify for raw RSA backends

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Date:   Fri, 22 Mar 2019 22:41:11 +0000
From:   Horia Geanta <horia.geanta@....com>
To:     Vitaly Chikunov <vt@...linux.org>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        David Howells <dhowells@...hat.com>,
        Mimi Zohar <zohar@...ux.ibm.com>,
        Dmitry Kasatkin <dmitry.kasatkin@...il.com>,
        "linux-integrity@...r.kernel.org" <linux-integrity@...r.kernel.org>,
        "keyrings@...r.kernel.org" <keyrings@...r.kernel.org>,
        "linux-crypto@...r.kernel.org" <linux-crypto@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
CC:     Giovanni Cabiddu <giovanni.cabiddu@...el.com>,
        "qat-linux@...el.com" <qat-linux@...el.com>,
        Tom Lendacky <thomas.lendacky@....com>,
        Gary Hook <gary.hook@....com>,
        Aymen Sghaier <aymen.sghaier@....com>
Subject: Re: [PATCH v7 03/11] crypto: rsa - unimplement sign/verify for raw
 RSA backends

On 3/1/2019 7:59 PM, Vitaly Chikunov wrote:
> In preparation for new akcipher verify call remove sign/verify callbacks
> from RSA backends and make PKCS1 driver call encrypt/decrypt instead.
> 
> This also complies with the well-known idea that raw RSA should never be
> used for sign/verify. It only should be used with proper padding scheme
> such as PKCS1 driver provides.
> 
> Cc: Giovanni Cabiddu <giovanni.cabiddu@...el.com>
> Cc: qat-linux@...el.com
> Cc: Tom Lendacky <thomas.lendacky@....com>
> Cc: Gary Hook <gary.hook@....com>
> Cc: Horia Geantă <horia.geanta@....com>
> Cc: Aymen Sghaier <aymen.sghaier@....com>
> Signed-off-by: Vitaly Chikunov <vt@...linux.org>
Reviewed-by: Horia Geantă <horia.geanta@....com>

Thanks,
Horia