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SubjectRe: [PATCH v9,4/4] Documentation/admin-guide/module-signing.rst: add openssl command option example for CodeSign EKU
On Sun, Aug 28, 2022 at 06:35:24AM +0300, Jarkko Sakkinen wrote:
> On Thu, Aug 25, 2022 at 10:23:14PM +0800, Lee, Chun-Yi wrote:
> > Add an openssl command option example for generating CodeSign extended
> > key usage in X.509 when CONFIG_CHECK_CODESIGN_EKU is enabled.
> >
> > Signed-off-by: "Lee, Chun-Yi" <jlee@suse.com>
> > ---
> > Documentation/admin-guide/module-signing.rst | 6 ++++++
> > 1 file changed, 6 insertions(+)
> >
> > diff --git a/Documentation/admin-guide/module-signing.rst b/Documentation/admin-guide/module-signing.rst
> > index 7d7c7c8a545c..ca3b8f19466c 100644
> > --- a/Documentation/admin-guide/module-signing.rst
> > +++ b/Documentation/admin-guide/module-signing.rst
> > @@ -170,6 +170,12 @@ generate the public/private key files::
> > -config x509.genkey -outform PEM -out kernel_key.pem \
> > -keyout kernel_key.pem
> >
> > +When ``CONFIG_CHECK_CODESIGN_EKU`` option is enabled, the following openssl
> > +command option should be added where for generating CodeSign extended key usage
>
> You have:
>
> 1. codeSign
> 2. CodeSign
> 3. CodeSigning
>
> Why this ambiguity?
>

Sorry for the ambiguity. I will use codeSigning in document and patch
description to sync with RFC2459 and openssl.

Thanks a lot!
Joey Lee

> > +in X.509::
> > +
> > + -addext "extendedKeyUsage=codeSigning"
> > +
> > The full pathname for the resulting kernel_key.pem file can then be specified
> > in the ``CONFIG_MODULE_SIG_KEY`` option, and the certificate and key therein will
> > be used instead of an autogenerated keypair.
> > --
> > 2.26.2
> >
>
> BR, Jarkko

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