tools: image: fix "algo" property of public key for verified boot
The "algo_name" points to a property in a blob being edited. The
pointer becomes stale when fit_image_write_sig() inserts signatures.
Then crypto->add_verify_data() writes wrong data to the public key
destination.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/tools/image-host.c b/tools/image-host.c
index c60d4ad..ad9a73a 100644
--- a/tools/image-host.c
+++ b/tools/image-host.c
@@ -166,7 +166,7 @@
info->keyname = fdt_getprop(fit, noffset, "key-name-hint", NULL);
info->fit = fit;
info->node_offset = noffset;
- info->name = algo_name;
+ info->name = strdup(algo_name);
info->checksum = image_get_checksum_algo(algo_name);
info->crypto = image_get_crypto_algo(algo_name);
info->require_keys = require_keys;