lib: rsa: Fix const-correctness of rsassa_pss functions
Prior to introduction of modifications in rsassa_pss functions
related to padding verification, doing a pass to update
const-correctness in targeted functions to comply with
coding-rules and avoid const-cast
Signed-off-by: SESA644425 <gioja.hermann@non.se.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/include/image.h b/include/image.h
index 673b5f5..e4c6a50 100644
--- a/include/image.h
+++ b/include/image.h
@@ -1309,7 +1309,7 @@
struct padding_algo {
const char *name;
int (*verify)(struct image_sign_info *info,
- uint8_t *pad, int pad_len,
+ const uint8_t *pad, int pad_len,
const uint8_t *hash, int hash_len);
};
diff --git a/include/u-boot/rsa.h b/include/u-boot/rsa.h
index b9634e3..085363e 100644
--- a/include/u-boot/rsa.h
+++ b/include/u-boot/rsa.h
@@ -101,11 +101,11 @@
const void *hash, uint8_t *sig, uint sig_len);
int padding_pkcs_15_verify(struct image_sign_info *info,
- uint8_t *msg, int msg_len,
+ const uint8_t *msg, int msg_len,
const uint8_t *hash, int hash_len);
int padding_pss_verify(struct image_sign_info *info,
- uint8_t *msg, int msg_len,
+ const uint8_t *msg, int msg_len,
const uint8_t *hash, int hash_len);
#define RSA_DEFAULT_PADDING_NAME "pkcs-1.5"
diff --git a/lib/rsa/rsa-verify.c b/lib/rsa/rsa-verify.c
index 1126640..c2c7248 100644
--- a/lib/rsa/rsa-verify.c
+++ b/lib/rsa/rsa-verify.c
@@ -73,7 +73,7 @@
}
int padding_pkcs_15_verify(struct image_sign_info *info,
- uint8_t *msg, int msg_len,
+ const uint8_t *msg, int msg_len,
const uint8_t *hash, int hash_len)
{
struct checksum_algo *checksum = info->checksum;
@@ -125,7 +125,7 @@
* Return: 0 if the octet string was correctly generated, others on error
*/
static int mask_generation_function1(struct checksum_algo *checksum,
- uint8_t *seed, int seed_len,
+ const uint8_t *seed, int seed_len,
uint8_t *output, int output_len)
{
struct image_region region[2];
@@ -176,9 +176,9 @@
}
static int compute_hash_prime(struct checksum_algo *checksum,
- uint8_t *pad, int pad_len,
- uint8_t *hash, int hash_len,
- uint8_t *salt, int salt_len,
+ const uint8_t *pad, int pad_len,
+ const uint8_t *hash, int hash_len,
+ const uint8_t *salt, int salt_len,
uint8_t *hprime)
{
struct image_region region[3];
@@ -215,7 +215,7 @@
* @hash_len: Length of the hash
*/
int padding_pss_verify(struct image_sign_info *info,
- uint8_t *msg, int msg_len,
+ const uint8_t *msg, int msg_len,
const uint8_t *hash, int hash_len)
{
uint8_t *masked_db = NULL;
@@ -287,7 +287,7 @@
/* step 12 & 13 */
compute_hash_prime(checksum, pad_zero, 8,
- (uint8_t *)hash, hash_len,
+ hash, hash_len,
salt, salt_len, hprime);
/* step 14 */