linux-kernel - Re: [PATCH 0/2] crypto: KEYS: convert public key to akcipher api

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Date:	Thu, 10 Dec 2015 14:37:05 -0500
From:	Mimi Zohar <zohar@...ux.vnet.ibm.com>
To:	Tadeusz Struk <tadeusz.struk@...el.com>
Cc:	herbert@...dor.apana.org.au, dhowells@...hat.com,
	linux-kernel@...r.kernel.org,
	linux-security-module@...r.kernel.org, linux-crypto@...r.kernel.org
Subject: Re: [PATCH 0/2] crypto: KEYS: convert public key to akcipher api

On Thu, 2015-12-10 at 10:39 -0800, Tadeusz Struk wrote:
> Hi Mimi,
> On 12/10/2015 10:25 AM, Mimi Zohar wrote:
> >> This patch set converts the module verification and digital signature
> >> > code to the new akcipher API.
> >> > RSA implementation has been removed from crypto/asymmetric_keys and the
> >> > new API is used for cryptographic primitives.
> >> > There is no need for MPI above the akcipher API anymore.
> >> > Modules can be verified with software as well as HW RSA implementations.
> > With these two patches my system doesn't even boot.  Digging deeper...
> > 
> 
> It needs RSA implementation built-in.
> Could you check if you have CONFIG_CRYPTO_RSA=y

The diff between this config and the previous one:
< CONFIG_CRYPTO_AKCIPHER=y
< CONFIG_CRYPTO_RSA=y
---
> # CONFIG_CRYPTO_RSA is not set

Mimi



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