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tools: kwbimage: Simplify add_secure_header_v1()

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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 <pali@kernel.org>
This commit is contained in:
Pali Rohár
2023-01-29 13:08:10 +01:00
committed by Stefan Roese
parent 443894a821
commit dd13ac5495
1 changed files with 5 additions and 10 deletions
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15
tools/kwbimage.c
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@@ -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;