linux-kernel - Re: [PATCH v6 4/4] certs: Adjustment due to 'Check whether openssl tool is available'

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Date:   Tue, 15 Jun 2021 16:06:29 +0300
From:   Jarkko Sakkinen <jarkko@...nel.org>
To:     Stefan Berger <stefanb@...ux.ibm.com>
Cc:     jeyu@...nel.org, keyrings@...r.kernel.org, dhowells@...hat.com,
        dwmw2@...radead.org, zohar@...ux.ibm.com, nayna@...ux.ibm.com,
        linux-integrity@...r.kernel.org,
        linux-security-module@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v6 4/4] certs: Adjustment due to 'Check whether openssl
 tool is available'

On Mon, Jun 14, 2021 at 03:28:56PM -0400, Stefan Berger wrote:
> 
> On 6/14/21 3:23 PM, Jarkko Sakkinen wrote:
> > On Thu, Jun 10, 2021 at 08:56:23AM -0400, Stefan Berger wrote:
> > > Adjust the previous patch due to fixes applied to the first patch
> > > in the series.
> > > 
> > > Fixes: 46449892e6e5 ("certs: Add support for using elliptic curve keys for signing modules")
> > > Signed-off-by: Stefan Berger <stefanb@...ux.ibm.com>
> > > ---
> > >   certs/Makefile | 5 +++++
> > >   1 file changed, 5 insertions(+)
> > > 
> > > diff --git a/certs/Makefile b/certs/Makefile
> > > index dc9f354dd5f8..4eb69bdadc79 100644
> > > --- a/certs/Makefile
> > > +++ b/certs/Makefile
> > > @@ -66,16 +66,21 @@ ifeq ($(CONFIG_MODULE_SIG_KEY),"certs/signing_key.pem")
> > >   ifeq ($(openssl_available),yes)
> > >   X509TEXT=$(shell openssl x509 -in $(CONFIG_MODULE_SIG_KEY) -text)
> > > +endif
> > >   # Support user changing key type
> > >   ifdef CONFIG_MODULE_SIG_KEY_TYPE_ECDSA
> > >   keytype_openssl = -newkey ec -pkeyopt ec_paramgen_curve:secp384r1
> > > +ifeq ($(openssl_available),yes)
> > >   $(if $(findstring id-ecPublicKey,$(X509TEXT)),,$(shell rm -f $(CONFIG_MODULE_SIG_KEY)))
> > >   endif
> > > +endif # CONFIG_MODULE_SIG_KEY_TYPE_ECDSA
> > >   ifdef CONFIG_MODULE_SIG_KEY_TYPE_RSA
> > > +ifeq ($(openssl_available),yes)
> > >   $(if $(findstring rsaEncryption,$(X509TEXT)),,$(shell rm -f $(CONFIG_MODULE_SIG_KEY)))
> > >   endif
> > > +endif # CONFIG_MODULE_SIG_KEY_TYPE_RSA
> > >   $(obj)/signing_key.pem: $(obj)/x509.genkey
> > >   	@$(kecho) "###"
> > > -- 
> > > 2.29.2
> > > 
> > > 
> > Please check that they are applied correctly, thanks.
> 
> No, they are not applied correctly. 2/2 shows this here:
> 
> 
>  ifeq ($(openssl_available),yes)
>  X509TEXT=$(shell openssl x509 -in $(CONFIG_MODULE_SIG_KEY) -text)
> +endif
> +
> 
> 
> This endif is in 2/4 in v6 and should appear on your git in 1/2. How did it
> get into 2/2?
> 
> https://lkml.org/lkml/2021/6/10/493

I assumed that the two other commits are exact same as in v4 because
appropriate tags were mssing.

/Jarkko