Vincent Palatin 4e53e01c2c cr50: implement an ASN.1 DER x.509 certificate builder
Add primitives to build x.509 certificates encoded in ASN.1 DER,
as a building block for the U2F feature.

Mostly copied over from the cr52 code-base.

Signed-off-by: Vincent Palatin <vpalatin@chromium.org>

BRANCH=cr50
BUG=b:35545754
TEST=with follow-up CLs, run U2FTest on Eve
and manually verify the individual attestation certificate with an ASN.1
parser.

Change-Id: Ie90730d8c401c661c8ab3b1b19631337b7390e9c
Reviewed-on: https://chromium-review.googlesource.com/518134
Commit-Ready: Vincent Palatin <vpalatin@chromium.org>
Tested-by: Vincent Palatin <vpalatin@chromium.org>
Reviewed-by: Nagendra Modadugu <ngm@google.com>
Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
2017-06-05 11:21:51 -07:00
2016-11-10 21:28:33 -08:00
2012-05-11 09:11:52 -07:00
2014-04-02 19:58:53 +00:00
2015-12-08 20:05:05 -08:00

For an overview of the Embedded Controller firmware, refer to

http://www.chromium.org/chromium-os/2014-firmware-summit

For instructions on building from source, refer to

http://www.chromium.org/chromium-os/ec-development/getting-started-building-ec-images-quickly
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