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u-boot: Add alternative key signing

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Provide framework for how to sign the uboot files with different keys
so that customers can see how it is done.  We have provided an ECDSA
key and follow on patches will show how to point to it.

Signed-off-by: Ryan Eatmon <reatmon@ti.com>
This commit is contained in:
Ryan Eatmon
2026-01-12 10:02:47 -06:00
parent 22e889c205
commit 507125eedd
2 changed files with 8 additions and 0 deletions
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meta-ti-bsp/recipes-bsp/u-boot/files/custMpk_ecdsa.key
+6
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@@ -0,0 +1,6 @@
-----BEGIN EC PRIVATE KEY-----
MIGkAgEBBDBDO9fzBU2LoKaYgji4m3ZCHKUBF9CTVnU6ClfNPJsTo0SKZpCsmyr0
TKUNkk16vwGgBwYFK4EEACKhZANiAATCv6ftwnJW91fP5wpLpLAxt3u732oNnKr8
pLbZUzi/s8/e7QiISJ8QKYGaWMnjORW82cM3UJKlCw8GOrb3ZrEXYWRKxkPWql0+
BOhDQA5b21GtL9HQPvuCPz471ZaxGYA=
-----END EC PRIVATE KEY-----
meta-ti-bsp/recipes-bsp/u-boot/u-boot-ti.inc
+2
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@@ -416,3 +416,5 @@ PACKAGES:prepend:am62pxx-evm = "${FALCON_PKG} "
PACKAGES:prepend:am62xx-lp-evm = "${FALCON_PKG} "
TOOLCHAIN = "gcc"
TI_SIGN_WITH_ECDSA_KEY ?= "KEY_PATH=${THISDIR}/files/custMpk_ecdsa.key"