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-rw-r--r--tools/kwbimage.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/tools/kwbimage.c b/tools/kwbimage.c
index b32f845b7e..a8a59c154b 100644
--- a/tools/kwbimage.c
+++ b/tools/kwbimage.c
@@ -1355,7 +1355,7 @@ static int add_secure_header_v1(struct image_tool_params *params, uint8_t *image
if (kwb_sign_csk_with_kak(params, secure_hdr, csk))
return 1;
- if (kwb_sign_and_verify(csk, image_ptr, image_size,
+ if (kwb_sign_and_verify(csk, image_ptr, image_size - 4,
&secure_hdr->imgsig, "image") < 0)
return 1;