[PATCH] imx: hab: fix srktool -c usage by removing spaces

[Fabio Estevam]

Hi Christoph,

On Sun, Dec 15, 2024 at 2:04 PM Christoph Fritz
<chf.fritz at googlemail.com> wrote:

> +  $ CERTS="SRK1_sha256_2048_65537_v3_ca_crt.pem"
> +  $ CERTS="$CERTS,SRK2_sha256_2048_65537_v3_ca_crt.pem"
> +  $ CERTS="$CERTS,SRK3_sha256_2048_65537_v3_ca_crt.pem"
> +  $ CERTS="$CERTS,SRK4_sha256_2048_65537_v3_ca_crt.pem"
> +
>    $ ../linux64/bin/srktool -h 4 -t SRK_1_2_3_4_table.bin -e \
> -       SRK_1_2_3_4_fuse.bin -d sha256 -c \
> -       SRK1_sha256_2048_65537_v3_ca_crt.pem,\
> -       SRK2_sha256_2048_65537_v3_ca_crt.pem,\
> -       SRK3_sha256_2048_65537_v3_ca_crt.pem,\
> -       SRK4_sha256_2048_65537_v3_ca_crt.pem
> +       SRK_1_2_3_4_fuse.bin -d sha256 -c "$CERTS"

What do you think about simplifying like this instead?

--- a/doc/imx/habv4/introduction_habv4.txt
+++ b/doc/imx/habv4/introduction_habv4.txt
@@ -244,12 +244,10 @@ Table Hash.

 - Generating SRK Table and SRK Hash in Linux 64-bit machines:

+  $ CA_CRT="sha256_2048_65537_v3_ca_crt.pem"
   $ ../linux64/bin/srktool -h 4 -t SRK_1_2_3_4_table.bin -e \
        SRK_1_2_3_4_fuse.bin -d sha256 -c \
-       SRK1_sha256_2048_65537_v3_ca_crt.pem,\
-       SRK2_sha256_2048_65537_v3_ca_crt.pem,\
-       SRK3_sha256_2048_65537_v3_ca_crt.pem,\
-       SRK4_sha256_2048_65537_v3_ca_crt.pem
+       SRK1_"$CA_CRT",SRK2_"$CA_CRT",SRK3_"$CA_CRT",SRK4_"$CA_CRT"

 The SRK_1_2_3_4_table.bin and SRK_1_2_3_4_fuse.bin files can be used in further
 steps as explained in HAB guides available under doc/imx/habv4/guides/