This adds the missing pieces to make CONFIG_CRYPTO_PUBLIC_KEYS
a list of keys rather than a single key only.

We have to remove the quotes from the key argument in cmd_keys to
pass the keys as multiple arguments to keytoc.

For removing the quotes from CONFIG_CRYPTO_PUBLIC_KEYS "%"=% no longer
matches when the string contains multiple words, so we utilize shell
to remove the quotes.

Signed-off-by: Sascha Hauer <[email protected]>
---
 crypto/Kconfig       | 11 ++++++-----
 crypto/Makefile      |  2 +-
 scripts/Makefile.lib |  2 +-
 3 files changed, 8 insertions(+), 7 deletions(-)

diff --git a/crypto/Kconfig b/crypto/Kconfig
index 612e6f33fc..6b2e73c503 100644
--- a/crypto/Kconfig
+++ b/crypto/Kconfig
@@ -126,11 +126,12 @@ config CRYPTO_PUBLIC_KEYS
        depends on CRYPTO_BUILTIN_KEYS
        string "public keys to compile in"
        help
-         This option should be a filename of a PEM-formatted file containing
-         X.509 certificates to be included into barebox. If the string starts
-         with "pkcs11:" it is interpreted as a PKCS#11 URI rather than a file.
-         If the string starts with a <hint>: prefix, <hint> is used as a key
-         name hint to find a key without iterating over all keys.
+         This option should be a space separated list of filenames of
+         PEM-formatted files containing X.509 certificates to be included into
+         barebox. If an entry starts with "pkcs11:" it is interpreted as a
+         PKCS#11 URI rather than a file. If an entry starts with a <hint>:
+         prefix, <hint> is used as a key name hint to find a key without
+         iterating over all keys.
 
          This avoids the mkimage dependency of CONFIG_BOOTM_FITIMAGE_PUBKEY
          at the cost of an openssl build-time dependency.
diff --git a/crypto/Makefile b/crypto/Makefile
index d6ce50b386..1c5709c90a 100644
--- a/crypto/Makefile
+++ b/crypto/Makefile
@@ -28,7 +28,7 @@ ifdef CONFIG_CRYPTO_BUILTIN_KEYS
 
 $(obj)/public-keys.o: $(obj)/public-keys.h
 
-CONFIG_CRYPTO_PUBLIC_KEYS := $(CONFIG_CRYPTO_PUBLIC_KEYS:"%"=%)
+CONFIG_CRYPTO_PUBLIC_KEYS := $(shell echo $(CONFIG_CRYPTO_PUBLIC_KEYS))
 
 $(obj)/public-keys.h: FORCE
        $(call cmd,public_keys,$(CONFIG_CRYPTO_PUBLIC_KEYS))
diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 1881e3c139..3d0a260804 100644
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -614,7 +614,7 @@ quiet_cmd_b64dec = B64DEC  $@
 # target file.
 quiet_cmd_public_keys = KEY     $@
 cmd_public_keys = \
-       $(objtree)/scripts/keytoc -o [email protected] "$(2)" $(3) &&              \
+       $(objtree)/scripts/keytoc -o [email protected] $(2) $(3) &&                \
        if cmp -s [email protected] $@; then                                       \
                rm [email protected];                                              \
        else                                                            \
-- 
2.39.2


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