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

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Date:   Mon, 14 Jun 2021 15:28:56 -0400
From:   Stefan Berger <stefanb@...ux.ibm.com>
To:     Jarkko Sakkinen <jarkko@...nel.org>
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 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


   Stefan


>
> /Jarkko