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From: Stephen Warren <swarren-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
To: Jimmy Zhang <jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
Cc: amartin-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
	swarren-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org,
	linux-tegra-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: [cbootimage PATCH v1 6/8] Add new configuration keyword "ReSignBl"
Date: Mon, 21 Sep 2015 16:10:23 -0600	[thread overview]
Message-ID: <5600804F.402@wwwdotorg.org> (raw)
In-Reply-To: <1441228760-26042-7-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>

On 09/02/2015 03:19 PM, Jimmy Zhang wrote:
> In case an image is updated after initial signing, use "ReSignBl"
> to re-generate aes hash and pkc pss signatures if PkcKey is present.
>
> For example:
>
> Define re-sign.cfg as below:
>     PkcKey = rsa_priv.pem, --save;
>     ReSignBl;
>
> Run command below to re-sign image:
>     $ cbootimage -s tegra210 --update re-sign.cfg image image-re-signed

Is this to support the case where someone just dd's a new bootloader 
into an existing flash image? Why not just rebuild the flash image from 
scratch using existing features?

  parent reply	other threads:[~2015-09-21 22:10 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-02 21:19 [cbootimage PATCH v1 0/8] Add rsa pss signature support Jimmy Zhang
     [not found] ` <1441228760-26042-1-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-02 21:19   ` [cbootimage PATCH v1 1/8] Enable --update | -u option support for t210 Jimmy Zhang
     [not found]     ` <1441228760-26042-2-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 19:55       ` Stephen Warren
     [not found]         ` <5600609F.60002-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-21 23:07           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 2/8] Add bct_dump " Jimmy Zhang
     [not found]     ` <1441228760-26042-3-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 20:05       ` Stephen Warren
     [not found]         ` <56006319.5030009-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-21 23:27           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 3/8] Add in libmcrypto Jimmy Zhang
     [not found]     ` <1441228760-26042-4-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 20:11       ` Stephen Warren
     [not found]         ` <56006457.4040601-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-22  0:05           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 4/8] Add new configuration keyword "PkcKey" Jimmy Zhang
     [not found]     ` <1441228760-26042-5-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 21:41       ` Stephen Warren
     [not found]         ` <56007980.6060203-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-22 18:07           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 5/8] Fix some issues found in libmcrypto Jimmy Zhang
     [not found]     ` <1441228760-26042-6-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 22:08       ` Stephen Warren
     [not found]         ` <56007FEB.7010408-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-22  1:11           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 6/8] Add new configuration keyword "ReSignBl" Jimmy Zhang
     [not found]     ` <1441228760-26042-7-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 22:10       ` Stephen Warren [this message]
     [not found]         ` <5600804F.402-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-22  0:45           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 7/8] Add new command line option "--sign | -n" to sign binary image Jimmy Zhang
     [not found]     ` <1441228760-26042-8-git-send-email-jimmzhang-DDmLM1+adcrQT0dZR+AlfA@public.gmane.org>
2015-09-21 22:13       ` Stephen Warren
     [not found]         ` <560080F8.9090008-3lzwWm7+Weoh9ZMKESR00Q@public.gmane.org>
2015-09-22  0:36           ` Jimmy Zhang
2015-09-02 21:19   ` [cbootimage PATCH v1 8/8] Bump to version 1.6 Jimmy Zhang
2015-09-08 17:19   ` [cbootimage PATCH v1 0/8] Add rsa pss signature support Jimmy Zhang

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