You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
24 lines
1.0 KiB
24 lines
1.0 KiB
--- test_etcp_simple_traffic.c.backup |
|
+++ test_etcp_simple_traffic.c |
|
@@ -243,12 +243,19 @@ |
|
DEBUG_DEBUG(DEBUG_CATEGORY_ETCP, "Parsing crypto keys: priv_len=%zu, pub_len=%zu", |
|
strlen(priv_key_hex), strlen(pub_key_hex)); |
|
|
|
+ // Validate key string lengths to prevent buffer overflow |
|
+ if (strlen(priv_key_hex) != 64 || strlen(pub_key_hex) != 128) { |
|
+ DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "Invalid key string lengths: priv=%zu, pub=%zu", |
|
+ strlen(priv_key_hex), strlen(pub_key_hex)); |
|
+ return NULL; |
|
+ } |
|
+ |
|
// Parse keys |
|
for (int i = 0; i < 32; i++) { |
|
if (sscanf(&priv_key_hex[i*2], "%2hhx", &inst->instance->my_keys.private_key[i]) != 1) { |
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "Failed to parse private key byte %d", i); |
|
} |
|
} |
|
for (int i = 0; i < 64; i++) { |
|
if (sscanf(&pub_key_hex[i*2], "%2hhx", &inst->instance->my_keys.public_key[i]) != 1) { |
|
DEBUG_ERROR(DEBUG_CATEGORY_ETCP, "Failed to parse public key byte %d", i); |
|
} |
|
}
|
|
|