[PATCH] image-fit: ignore rsa by image selection

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From: Denis Osterland-Heim <Denis.Osterland@xxxxxxxxx>

For hash algorithm selection, only the first argument of the tuple is
needed. The ',' is included to avoid false-positive matches.

Signed-off-by: Denis Osterland-Heim <Denis.Osterland@xxxxxxxxx>
---
 common/image-fit.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/common/image-fit.c b/common/image-fit.c
index 538e61f51..2c5ef7f68 100644
--- a/common/image-fit.c
+++ b/common/image-fit.c
@@ -230,11 +230,9 @@ static struct digest *fit_alloc_digest(struct device_node *sig_node,
 return ERR_PTR(-EINVAL);
 }

-if (strcmp(algo_name, "sha1,rsa2048") == 0) {
+if (strncmp(algo_name, "sha1,", 5) == 0) {
 algo = HASH_ALGO_SHA1;
-} else if (strcmp(algo_name, "sha256,rsa2048") == 0) {
-algo = HASH_ALGO_SHA256;
-} else if (strcmp(algo_name, "sha256,rsa4096") == 0) {
+} else if (strncmp(algo_name, "sha256,", 7) == 0) {
 algo = HASH_ALGO_SHA256;
 } else{
 pr_err("unknown algo %s\n", algo_name);
--
2.30.2

Diehl Connectivity Solutions GmbH
Geschäftsführung: Horst Leonberger
Sitz der Gesellschaft: Nürnberg - Registergericht: Amtsgericht
Nürnberg: HRB 32315

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