From dd13ac5495792325793ffcc381187afa3ba89f01 Mon Sep 17 00:00:00 2001 From: =?utf8?q?Pali=20Roh=C3=A1r?= Date: Sun, 29 Jan 2023 13:08:10 +0100 Subject: [PATCH] tools: kwbimage: Simplify add_secure_header_v1() MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit To make add_secure_header_v1() function more readable, call it directly with arguments: header pointer with header size and data image pointer with data image size. No functional change. Signed-off-by: Pali Rohár --- tools/kwbimage.c | 15 +++++---------- 1 file changed, 5 insertions(+), 10 deletions(-) diff --git a/tools/kwbimage.c b/tools/kwbimage.c index 5f62ed1..857af6a 100644 --- a/tools/kwbimage.c +++ b/tools/kwbimage.c @@ -1322,16 +1322,14 @@ static int kwb_sign_csk_with_kak(struct image_tool_params *params, return 0; } -static int add_secure_header_v1(struct image_tool_params *params, uint8_t *ptr, - int payloadsz, size_t headersz, uint8_t *image, +static int add_secure_header_v1(struct image_tool_params *params, uint8_t *image_ptr, + size_t image_size, uint8_t *header_ptr, size_t headersz, struct secure_hdr_v1 *secure_hdr) { struct image_cfg_element *e_jtagdelay; struct image_cfg_element *e_boxid; struct image_cfg_element *e_flashid; RSA *csk = NULL; - unsigned char *image_ptr; - size_t image_size; struct sig_v1 tmp_sig; bool specialized_img = image_get_spezialized_img(); @@ -1357,14 +1355,11 @@ static int add_secure_header_v1(struct image_tool_params *params, uint8_t *ptr, if (kwb_sign_csk_with_kak(params, secure_hdr, csk)) return 1; - image_ptr = ptr + headersz; - image_size = payloadsz - headersz; - if (kwb_sign_and_verify(csk, image_ptr, image_size, &secure_hdr->imgsig, "image") < 0) return 1; - if (kwb_sign_and_verify(csk, image, headersz, &tmp_sig, "header") < 0) + if (kwb_sign_and_verify(csk, header_ptr, headersz, &tmp_sig, "header") < 0) return 1; secure_hdr->hdrsig = tmp_sig; @@ -1533,8 +1528,8 @@ static void *image_create_v1(size_t *imagesz, struct image_tool_params *params, &datai, delay); } - if (secure_hdr && add_secure_header_v1(params, ptr, payloadsz + headersz, - headersz, image, secure_hdr)) + if (secure_hdr && add_secure_header_v1(params, ptr + headersz, payloadsz, + image, headersz, secure_hdr)) return NULL; *imagesz = headersz; -- 2.7.4