All of lore.kernel.org
 help / color / mirror / Atom feed
From: AKASHI Takahiro <takahiro.akashi@linaro.org>
To: u-boot@lists.denx.de
Subject: U-Boot FIT Signature Verification
Date: Wed, 16 Sep 2020 17:13:50 +0900	[thread overview]
Message-ID: <20200916081350.GB2978867@laputa> (raw)
In-Reply-To: <5075840b-acb3-5146-17ff-098dd739ee68@gmx.de>

On Wed, Sep 16, 2020 at 01:19:03AM +0200, Heinrich Schuchardt wrote:
> On 9/11/20 7:26 PM, Andrii Voloshyn wrote:
> > Hi there,
> >
> >     Does U-boot take into account certificate expiration date when verifying signed images in FIT? In other words, is date stored along with the public key in DTB file?
> >
> > Cheers,
> > Andy
> >
> 
> Hello Philippe,
> 
> looking at padding_pkcs_15_verify() in lib/rsa/rsa-verify.c I cannot
> find a comparison of the date on which an image was signed with the
> expiry date of the certificate. Shouldn't there be a check? Or did I
> simply look into the wrong function?

I think Simon is the right person to answer this question, but

as far as I know, we don't have any device tree property for the expiration
date of a public key. See doc/uImage.FIT/signature.txt.

-Takahiro Akashi

> Best regards
> 
> Heinrich

  reply	other threads:[~2020-09-16  8:13 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-09-11 17:26 U-Boot FIT Signature Verification Andrii Voloshyn
2020-09-15 23:19 ` Heinrich Schuchardt
2020-09-16  8:13   ` AKASHI Takahiro [this message]
2020-09-16 11:14     ` Heinrich Schuchardt
2020-09-16 11:40       ` Joakim Tjernlund
2020-09-16 11:55         ` Heinrich Schuchardt
2020-09-16 12:05           ` Joakim Tjernlund
2020-09-16 12:44             ` Heinrich Schuchardt
2020-09-16 19:54               ` Tom Rini
2020-09-17  5:33               ` takahiro.akashi at linaro.org
2020-09-17  5:57         ` takahiro.akashi at linaro.org
2020-09-17  5:26       ` AKASHI Takahiro
2020-09-16 20:01   ` Philippe REYNES
  -- strict thread matches above, loose matches on Subject: below --
2020-09-16 15:31 REITHER Robert - Contractor

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20200916081350.GB2978867@laputa \
    --to=takahiro.akashi@linaro.org \
    --cc=u-boot@lists.denx.de \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.