lib: rsa: Add debug message on algo mismatch
Currently we fail silently if there is an algorithm mismatch. To help
distinguish this failure condition.
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index e34d329..aee76f4 100644
--- a/lib/rsa/rsa-verify.c
+++ b/lib/rsa/rsa-verify.c
@@ -447,8 +447,11 @@
}
algo = fdt_getprop(blob, node, "algo", NULL);
- if (strcmp(info->name, algo))
+ if (strcmp(info->name, algo)) {
+ debug("%s: Wrong algo: have %s, expected %s", __func__,
+ info->name, algo);
return -EFAULT;
+ }
prop.num_bits = fdtdec_get_int(blob, node, "rsa,num-bits", 0);