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[0/2] certs: Add FIPS self-test for signature verification

Message ID 165515741424.1554877.9363755381201121213.stgit@warthog.procyon.org.uk
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Series certs: Add FIPS self-test for signature verification | expand

Message

David Howells June 13, 2022, 9:56 p.m. UTC
Hi Herbert,

If you could look over this pair of patches?  The second patch adds a simple
selftest to allow the signature verification code so that it can be FIPS
compliant.  The first moves load_certificate_list() to the asymmetric key code
to make this easier and renames it.

I generated the test data myself, but I'm open to using some standard test
data if you know of some; we don't want too much, however, as it's
incompressible.  Also, it has avoid blacklist checks on the keys it is using,
lest the UEFI blacklist cause the selftest to fail.

The patches can be found on the following branch:

	https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=keys-fixes

David
---
David Howells (2):
      certs: Move load_certificate_list() to be with the asymmetric keys code
      certs: Add FIPS selftests


 certs/Makefile                           |   4 +-
 certs/blacklist.c                        |   8 +-
 certs/common.c                           |  57 ------
 certs/common.h                           |   9 -
 certs/system_keyring.c                   |   6 +-
 crypto/asymmetric_keys/Kconfig           |  10 +
 crypto/asymmetric_keys/Makefile          |   2 +
 crypto/asymmetric_keys/selftest.c        | 224 +++++++++++++++++++++++
 crypto/asymmetric_keys/x509_loader.c     |  57 ++++++
 crypto/asymmetric_keys/x509_parser.h     |   9 +
 crypto/asymmetric_keys/x509_public_key.c |   8 +-
 include/keys/asymmetric-type.h           |   3 +
 12 files changed, 321 insertions(+), 76 deletions(-)
 delete mode 100644 certs/common.c
 delete mode 100644 certs/common.h
 create mode 100644 crypto/asymmetric_keys/selftest.c
 create mode 100644 crypto/asymmetric_keys/x509_loader.c

Comments

Simo Sorce June 14, 2022, 2:15 p.m. UTC | #1
On Mon, 2022-06-13 at 22:56 +0100, David Howells wrote:
> Hi Herbert,
> 
> If you could look over this pair of patches?  The second patch adds a simple
> selftest to allow the signature verification code so that it can be FIPS
> compliant.  The first moves load_certificate_list() to the asymmetric key code
> to make this easier and renames it.
> 
> I generated the test data myself, but I'm open to using some standard test
> data if you know of some; we don't want too much, however, as it's
> incompressible.  Also, it has avoid blacklist checks on the keys it is using,
> lest the UEFI blacklist cause the selftest to fail.
> 
> The patches can be found on the following branch:
> 
> 	https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=keys-fixes
> 
> David
> ---
> David Howells (2):
>       certs: Move load_certificate_list() to be with the asymmetric keys code
>       certs: Add FIPS selftests
> 
> 
>  certs/Makefile                           |   4 +-
>  certs/blacklist.c                        |   8 +-
>  certs/common.c                           |  57 ------
>  certs/common.h                           |   9 -
>  certs/system_keyring.c                   |   6 +-
>  crypto/asymmetric_keys/Kconfig           |  10 +
>  crypto/asymmetric_keys/Makefile          |   2 +
>  crypto/asymmetric_keys/selftest.c        | 224 +++++++++++++++++++++++
>  crypto/asymmetric_keys/x509_loader.c     |  57 ++++++
>  crypto/asymmetric_keys/x509_parser.h     |   9 +
>  crypto/asymmetric_keys/x509_public_key.c |   8 +-
>  include/keys/asymmetric-type.h           |   3 +
>  12 files changed, 321 insertions(+), 76 deletions(-)
>  delete mode 100644 certs/common.c
>  delete mode 100644 certs/common.h
>  create mode 100644 crypto/asymmetric_keys/selftest.c
>  create mode 100644 crypto/asymmetric_keys/x509_loader.c
> 
> 

Reviewed-by: Simo Sorce <simo@redhat.com>
Herbert Xu June 15, 2022, 4:20 a.m. UTC | #2
On Mon, Jun 13, 2022 at 10:56:54PM +0100, David Howells wrote:
> 
> Hi Herbert,
> 
> If you could look over this pair of patches?  The second patch adds a simple
> selftest to allow the signature verification code so that it can be FIPS
> compliant.  The first moves load_certificate_list() to the asymmetric key code
> to make this easier and renames it.

Hi David:

It looks OK to me.

Cheers,
David Howells June 15, 2022, 10:34 p.m. UTC | #3
Herbert Xu <herbert@gondor.apana.org.au> wrote:

> It looks OK to me.

Can I put that down as a Reviewed-by?

Thanks,
David
Herbert Xu June 16, 2022, 8:47 a.m. UTC | #4
On Wed, Jun 15, 2022 at 11:34:18PM +0100, David Howells wrote:
> Herbert Xu <herbert@gondor.apana.org.au> wrote:
> 
> > It looks OK to me.
> 
> Can I put that down as a Reviewed-by?

Reviewd-by: Herbert Xu <herbert@gondor.apana.org.au>