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Update documentation and use nxp_imx8mcst binman etype for signing
of flash.bin instead of previous horrible shell scripting.
Reviewed-by: Tim Harvey <[email protected]>
Signed-off-by: Marek Vasut <[email protected]>
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When built with CONFIG_IMX_HAB, the full FIT image, including stuff
tacked on beyond the end of the fdt structure, is expected to be (fdt
size rounded up to 0x1000 boundary)+CONFIG_CSF_SIZE.
Now, when the FIT image is loaded from a storage device, it doesn't
really matter that the flash.bin that gets written to target isn't
quite that big - we will just load some garbage bytes that are never
read or used for anything. But when flash.bin is uploaded via uuu,
it's important that we actually serve at least as many bytes as the
target expects, or we will hang in rom_api_download_image().
Extend the logic in the csf.sh script so that the csf blob is padded
to CONFIG_CSF_SIZE minus the size of the IVT header.
Signed-off-by: Rasmus Villemoes <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
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The SPL authenticates image starting from CONFIG_SPL_LOAD_FIT_ADDRESS
address, update the csf_fit.txt to match.
Signed-off-by: Marek Vasut <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
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Originally, exporting the ATF_LOAD_ADDR was required, but since binman has
been used to generate the flash.bin, it is no longer needed to do
such manual export.
The ATF address is now passed via binman.
Remove the unneeded export ATF_LOAD_ADDR line.
Signed-off-by: Fabio Estevam <[email protected]>
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The csf_spl.txt and csf_fit.txt templates contain file paths which must
be edited for the location of your NXP CST generated key files.
Streamline the process of signing an image by assigning unique var names
to these which can be expended from env variables in the csf.sh script.
The following vars are used:
SRK_TABLE - full path to SRK_1_2_3_4_table.bin
CSF_KEY - full path to the CSF Key CSF1_1_sha256_4096_65537_v3_usr_crt.pem
IMG_KEY - full path to the IMG Key IMG1_1_sha256_4096_65537_v3_usr_crt.pem
Additionally provide an example of running the csf.sh script.
Signed-off-by: Tim Harvey <[email protected]>
Reviewed-by: Fabio Estevam <[email protected]>
Reviewed-by: Peng Fan <[email protected]>
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The current mechanism is unnecessarily complex. Simplify the whole mechanism
such that the entire fitImage is signed, IVT is placed at the end, followed
by CSF, and this entire bundle is also authenticated. This makes the signing
scripting far simpler.
Signed-off-by: Marek Vasut <[email protected]>
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The current name is inconsistent with SPL which uses CONFIG_SPL_TEXT_BASE
and this makes it imposible to use CONFIG_VAL().
Rename it to resolve this problem.
Signed-off-by: Simon Glass <[email protected]>
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When running the script to sign SPL/U-Boot on a kontron-sl-mx8mm board,
the fit_block_size was calculated as 0x1000 instead of 0x1020.
Add an extra parenthesis pair to fix it.
Signed-off-by: Fabio Estevam <[email protected]>
Reviewed-by: Marek Vasut <[email protected]>
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Add HABv4 documentation extension for SPL targets covering the
following topics:
- How to sign an securely boot an flash.bin container image.
- How to extend the root of trust for additional boot images.
- Add SPL and fitImage CSF examples.
- Add signature generation script example.
Signed-off-by: Marek Vasut <[email protected]>
Cc: Breno Lima <[email protected]>
Cc: Fabio Estevam <[email protected]>
Cc: Heiko Schocher <[email protected]>
Cc: Peng Fan <[email protected]>
Cc: Stefano Babic <[email protected]>
Cc: Utkarsh Gupta <[email protected]>
Cc: Ye Li <[email protected]>
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Add HABv4 documentation for non-SPL targets covering the
following topics:
- How to sign an securely boot an u-boot-dtb.imx image.
- How to extend the root of trust for additional boot images.
- Add 3 CSF examples.
- Add IVT generation script example.
Reviewed-by: Ye Li <[email protected]>
Reviewed-by: Utkarsh Gupta <[email protected]>
Signed-off-by: Breno Lima <[email protected]>
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