Secure Boot in imx7 Processors (CST tool Error)

raguram_balasub — Thu, 27 Feb 2020 05:30:25 GMT

Hi,

I am working on the task to enable secure boot on imx7 processors.

Based on the application note i have generated SRK keys and Bootloader. Now i am trying to attach the key with bootloader. for that, i have genrated csf file with below data. But while generating binary data for CSF file, i am receiving the below error.

*** Error in './cst' : realloc(): invalid pointer: 0x0000000008020e0

Content of My CSF file is :

-------------------------------------------------------------------------------

[Header]

Version = 4.2

Hash Algorithm = sha256

Engine = ANY

Engine Configuration = 0

Certificate Format = X509

Signature Format = CMS

[Install SRK]

File = “../crts/SRK_1_2_3_4_table.bin”

# Index of the key location in the SRK table to be installed

Source index = 0

[Install CSFK]

# Key used to authenticate the CSF data

File = “../crts/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

# Target key slot in HAB key store where key will be installed

Target Index = 2

# Key to install

File= ”../crts/IMG1_1_sha256_2048_65537_v3_usr_crt.pem”

[Authenticate Data]

# Key slot index used to authenticate the image data

Verification index = 2

# Address Offset Length Data File Path

Blocks = 0x877ff400 0x000 0x8bc00 “u-boot-dtb.imx”, \

0x00910000 0x2C 0x1C4 "u-boot-dtb.imx"

----------------------------------------------------------------------------------------------------------------------------------

please let me know what might be the issue and how to rectify the same.

Re: Secure Boot in imx7 Processors (CST tool Error)

karangajjar — Wed, 04 Mar 2020 08:15:33 GMT

Hi Raguram Balasubbu,

Please verify below things at your end:

1. The files SRK_1_2_3_4_table.bin, CSF1_1_sha256_2048_65537_v3_usr_crt.pem, IMG1_1_sha256_2048_65537_v3_usr_crt.pem, and u-boot-dtb.imx are on the correct relative path from where you are executing your cst application?

2. If you have copied the CSF file from the document have you change the "(double quotes) to readable to linux?

Regards,

Karan Gajjar

Re: Secure Boot in imx7 Processors (CST tool Error)

igorpadykov — Wed, 04 Mar 2020 10:07:02 GMT

Hi Raguram

also additional documents were provided in service request 00262206.

Best regards
igor

i.MX ProcessorsのトピックRe: Secure Boot in imx7 Processors (CST tool Error)

Secure Boot in imx7 Processors (CST tool Error)

Re: Secure Boot in imx7 Processors (CST tool Error)

Re: Secure Boot in imx7 Processors (CST tool Error)