linux-kernel - Re: [PATCH 0/1] Load OpenSSL config if present in sign-file.c

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Message-ID: <eb178142-3e31-7d14-84d1-f376df45776d@vennard.ch>
Date:   Fri, 3 Feb 2017 10:23:08 +0100
From:   Antony Vennard <antony@...nard.ch>
To:     David Woodhouse <dwmw2@...radead.org>,
        David Howells <dhowells@...hat.com>
Cc:     keyrings@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 0/1] Load OpenSSL config if present in sign-file.c


On 03/02/17 10:07, David Woodhouse wrote:
> On Fri, 2017-02-03 at 02:31 +0100, Antony Vennard wrote:
>> sign-file documentation on kernel.org advertises the fact that 
>> sign-file can use OpenSSL loadable engine support using pkcs#11 uri 
>> syntax (rfc 7512) for loading private keys from hardware tokens, if 
>> openssl loadable engine support is present.
>>
>> Unfortunately, if openssl configuration files are not loaded there is 
>> no way (to my knowledge) for openssl to load third party pkcs#11 
>> libraries as specified by openssl configuration.
> 
> ENGINE_pkcs11 should be configured to load p11-kit-proxy.so as its
> default provider module.
> 
> Any third party PKCS#11 module you want to use should be configured in
> p11-kit properly, and it'll then be available to well-behaved
> applications. Including sign-file.
> 
> You should need any of the special OpenSSL config horridness.

Ah, I did not even know that was a thing. I do now. That looks like a
much neater solution. Forget this patch then :)