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From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: u-boot@lists.denx.de
Subject: [U-Boot] nxp: HABv4 secure boot on iMX7 NAND broken
Date: Tue, 30 Jul 2019 15:33:34 +0100	[thread overview]
Message-ID: <ecc38155-7c94-6c78-150c-84c26c444154@linaro.org> (raw)
In-Reply-To: <CAByghJYuXCh=AyUkEu+GUUNwLrR_y+akpeFOgg1h+6AWfA6T_g@mail.gmail.com>



On 30/07/2019 15:26, Igor Opaniuk wrote:
> Anyway, let me go through this article one more time,
> and I'll get back to you.

If I've understood you, you are using the same binary for serial 
download and flash booting.

Won't work unfortunately - there's an extra DCD directive in the 
recovery image.

Here's my recovery CSF

deckard at event-horizon:~/Development/mbl-u-boot$ cat uboot-c-s-f-recover.txt
# SPDX-License-Identifier:      GPL-2.0
[Header]
Version = 4.1
Security Configuration = Open
Hash Algorithm = sha256
Engine Configuration = 0
Certificate Format = X509
Signature Format = CMS
Engine = CAAM

[Install SRK]
File = "SRK_1_2_3_4_table.bin"
Source index = 0

[Install CSFK]
File = "CSF1_1_sha256_2048_65537_v3_usr_crt.pem"

[Authenticate CSF]

[Install Key]
# Key slot index used to authenticate the key to be installed
Verification index = 0
# Key to install
Target index = 2
File = "IMG1_1_sha256_2048_65537_v3_usr_crt.pem"

[Authenticate Data]
Verification index = 2
Blocks = HAB_BLOCKS_REPLACE "IMAGE_IMX_HAB_NAME_REPLACE"

[Authenticate Data]
Verification index = 2
Blocks = DCD_BLOCKS_REPLACE "IMAGE_IMX_DCD_NAME_REPLACE"

and my eMMC CSF

deckard at event-horizon:~/Development/mbl-u-boot$ cat uboot-c-s-f.txt
# SPDX-License-Identifier:      GPL-2.0
[Header]
Version = 4.1
Security Configuration = Open
Hash Algorithm = sha256
Engine Configuration = 0
Certificate Format = X509
Signature Format = CMS
Engine = CAAM

[Install SRK]
File = "SRK_1_2_3_4_table.bin"
Source index = 0

[Install CSFK]
File = "CSF1_1_sha256_2048_65537_v3_usr_crt.pem"

[Authenticate CSF]

[Install Key]
# Key slot index used to authenticate the key to be installed
Verification index = 0
# Key to install
Target index = 2
File = "IMG1_1_sha256_2048_65537_v3_usr_crt.pem"

[Authenticate Data]
Verification index = 2
Blocks = HAB_BLOCKS_REPLACE "IMAGE_IMX_HAB_NAME_REPLACE"

  reply	other threads:[~2019-07-30 14:33 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-07-30 11:00 [U-Boot] nxp: HABv4 secure boot on iMX7 NAND broken Igor Opaniuk
2019-07-30 13:32 ` Bryan O'Donoghue
2019-07-30 13:56   ` Igor Opaniuk
2019-07-30 14:02     ` Bryan O'Donoghue
2019-07-30 14:08       ` Bryan O'Donoghue
2019-07-30 14:26         ` Igor Opaniuk
2019-07-30 14:33           ` Bryan O'Donoghue [this message]
2019-09-12 13:55             ` Igor Opaniuk
2019-09-16  2:54               ` Breno Matheus Lima
2019-09-16  8:42                 ` Igor Opaniuk

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