From: Lucas Stach <l.stach@pengutronix.de>
To: Rouven Czerwinski <r.czerwinski@pengutronix.de>,
barebox@lists.infradead.org
Subject: Re: [PATCH v3 10/16] pbl: add sha256 and piggy verification to PBL
Date: Tue, 06 Aug 2019 10:16:29 +0200 [thread overview]
Message-ID: <1565079389.2323.20.camel@pengutronix.de> (raw)
In-Reply-To: <95c1fb0aa5ab2d3d81fb7405537f7d8b34dd939d.1565068235.git-series.r.czerwinski@pengutronix.de>
Am Dienstag, den 06.08.2019, 07:11 +0200 schrieb Rouven Czerwinski:
> Extract the necessary functions from sha256 into a PBL headder and add a
> verification function to the PBL. The function will be called before the
> individual architectures decompress functions is run.
>
> > Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
> ---
> crypto/Makefile | 2 ++
> crypto/sha2.c | 11 +++++++----
> include/crypto/pbl-sha.h | 13 +++++++++++++
> include/pbl.h | 2 ++
> pbl/Kconfig | 9 +++++++++
> pbl/decomp.c | 39 +++++++++++++++++++++++++++++++++++++++
> 6 files changed, 72 insertions(+), 4 deletions(-)
> create mode 100644 include/crypto/pbl-sha.h
[...]
> +config PBL_VERIFY_PIGGY
> > + depends on ARM
> > + bool
> > + help
> > + Use a PBL builtin sha256sum to verify the piggydata before decompression.
> > + WARNING: your board will not boot if a mismatch is detected, enable DEBUG_LL
> > + to see the builtin and calculated hash.
> > + This effectively locks a given PBL to the matching main barebox.
Having a help text for an invisible option doesn't make too much sense.
Regards,
Lucas
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next prev parent reply other threads:[~2019-08-06 8:16 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-06 5:10 [PATCH v3 00/16] HAB for i.MX8MQ Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 01/16] i.MX: HABv4: ignore return for i.MX28/6 initcalls Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 02/16] i.MX: HABv4: implement interface for i.MX8MQ Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 03/16] mach-imx: enable HAB on i.MX8MQ Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 04/16] arm: lib: add CSF section between PBL and piggy Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 05/16] esdhc-pbl: extract header parsing from image start Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 06/16] esdhc-pbl: add piggy load function Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 07/16] sections: fix macro for barebox_pbl_size Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 08/16] scripts: imx: support signing for i.MX8MQ Rouven Czerwinski
2019-08-06 5:10 ` [PATCH v3 09/16] images: always build sha256sum into pbl Rouven Czerwinski
2019-08-06 5:11 ` [PATCH v3 10/16] pbl: add sha256 and piggy verification to PBL Rouven Czerwinski
2019-08-06 8:16 ` Lucas Stach [this message]
2019-08-06 13:21 ` [PATCH] fixup! " r.czerwinski
2019-08-06 5:11 ` [PATCH v3 11/16] stdio: puts and putchar static inline wrappers Rouven Czerwinski
2019-08-06 5:11 ` [PATCH v3 12/16] pbl: support panic with log output Rouven Czerwinski
2019-08-06 5:11 ` [PATCH v3 13/16] arm: uncompress: verify sha256 if enabled Rouven Czerwinski
2019-08-06 5:11 ` [PATCH v3 14/16] mach-imx: add gencsf header for i.MX8MQ Rouven Czerwinski
2019-08-06 5:11 ` [PATCH v3 15/16] mach-imx: hab: select piggy verification for i.MX8 Rouven Czerwinski
2019-08-06 5:11 ` [PATCH v3 16/16] boards: nxp-mx8-evk: rework to different boot flow Rouven Czerwinski
2019-08-08 6:21 ` [PATCH v3 00/16] HAB for i.MX8MQ Sascha Hauer
2019-08-08 6:51 ` Rouven Czerwinski
2019-08-08 7:43 ` Sascha Hauer
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