Crypto D100 User's Guide download pdf (Page 28)

Secure Boot with i.MX28 HAB Version 4, Rev. 1

28 Freescale Semiconductor

Example CSF text files for reference

[Install CSFK]

File = "../crts/CSF1_1_sha256_2048_65537_v3_usr_crt.pem"

[Authenticate CSF]

[Install Key]

Verification index = 0

Target index = 2

File = "../crts/IMG1_1_sha256_2048_65537_v3_usr_crt.pem"

# Sign entire linux_prep image

# Blocks have the following definition:

# Base address of the binary file, Offset, Length of block in bytes

[Authenticate Data]

Verification index = 2

Engine = DCP

Blocks = 0x00002000 0x0 0x4000 "linux_prep.bin”

8.3 Linux_kernel CSF example

[Header]

Version = 4.0

Hash Algorithm = sha256

Engine Configuration = 0

Certificate Format = X509

Signature Format = CMS

[Install SRK]

File = "../crts/srk_tbl1_2_3_4.bin"

Source index = 0

[Install CSFK]

File = "../crts/CSF1_1_sha256_2048_65537_v3_usr_crt.pem"

[Authenticate CSF]

[Install Key]

Verification index = 0

Target index = 2

File = "../crts/IMG1_1_sha256_2048_65537_v3_usr_crt.pem"

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