fix JWT cbor message length

Author: fabik111

extras/test/src/test_command_encode.cpp

@@ -442,15 +442,15 @@ SCENARIO("Test the encoding of command messages") {
   {
     ProvisioningJWTMessage command;
     command.c.id = CommandId::ProvisioningJWT;
-    memset(command.params.jwt, 0xCA, 246);
+    memset(command.params.jwt, 0xCA, 268);
     uint8_t buffer[512];
     size_t bytes_encoded = sizeof(buffer);
 
     CBORMessageEncoder encoder;
     Encoder::Status err = encoder.encode((Message*)&command, buffer, bytes_encoded);
 
     uint8_t expected_result[] = {
-      0xda, 0x00, 0x01, 0x20, 0x11, 0x81, 0x58, 0xF6, 
+      0xda, 0x00, 0x01, 0x20, 0x11, 0x81, 0x59, 0x01, 0x0C, 
       0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
       0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
       0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
@@ -481,7 +481,10 @@ SCENARIO("Test the encoding of command messages") {
       0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
       0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
       0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
-      0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
+      0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
+      0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
+      0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA, 0xCA,
+      0xCA, 0xCA, 0xCA, 0xCA,
     };
 
     // Test the encoding is

src/message/Commands.h

@@ -27,7 +27,7 @@
 #define ID_SIZE                     16
 #define MAX_LIB_VERSION_SIZE        10
 #define UHWID_SIZE                  32
-#define PROVISIONING_JWT_SIZE      246
+#define PROVISIONING_JWT_SIZE      268 // Max length of jwt is 268
 #define WIFI_SSID_SIZE              33 // Max length of ssid is 32 + \0
 #define WIFI_PWD_SIZE               64 // Max length of password is 63 + \0
 #define LORA_APPEUI_SIZE            17 // appeui is 8 octets * 2 (hex format) + \0
@@ -208,7 +208,7 @@ struct ProvisioningUniqueHardwareIdMessage {
 struct ProvisioningJWTMessage {
   Command c;
   struct {
-    char jwt[PROVISIONING_JWT_SIZE]; //The payload is an array of char with a maximum length of 246, not null terminated. It's not a string.
+    char jwt[PROVISIONING_JWT_SIZE]; //The payload is an array of char with a maximum length of 268, not null terminated. It's not a string.
   } params;
 };