Fix #80: set 'URL of public key' on each slot

src/gpg_data.c

@@ -95,8 +95,8 @@ int gpg_apdu_get_data(unsigned int ref) {
             break;
         case 0x5F50:
             /* Uniform resource locator */
-            gpg_io_insert((const unsigned char *) N_gpg_pstate->url.value,
-                          N_gpg_pstate->url.length);
+            gpg_io_insert((const unsigned char *) N_gpg_pstate->keys[G_gpg_vstate.slot].url.value,
+                          N_gpg_pstate->keys[G_gpg_vstate.slot].url.length);
             break;
         case 0x65:
             /* Name, Language, salutation */
@@ -571,14 +571,14 @@ int gpg_apdu_put_data(unsigned int ref) {
             break;
             /* Uniform resource locator */
         case 0x5F50:
-            if (G_gpg_vstate.io_length > sizeof(N_gpg_pstate->url.value)) {
+            if (G_gpg_vstate.io_length > sizeof(N_gpg_pstate->keys[G_gpg_vstate.slot].url.value)) {
                 sw = SW_WRONG_LENGTH;
                 break;
             }
-            nvm_write((void *) N_gpg_pstate->url.value,
+            nvm_write((void *) N_gpg_pstate->keys[G_gpg_vstate.slot].url.value,
                       G_gpg_vstate.work.io_buffer,
                       G_gpg_vstate.io_length);
-            nvm_write((void *) &N_gpg_pstate->url.length,
+            nvm_write((void *) &N_gpg_pstate->keys[G_gpg_vstate.slot].url.length,
                       &G_gpg_vstate.io_length,
                       sizeof(unsigned int));
             sw = SW_OK;

src/gpg_types.h

@@ -129,6 +129,8 @@ typedef struct gpg_key_slot_s {
     unsigned int sig_count;
     /* D5 */
     cx_aes_key_t AES_dec;
+    /*  5F50 */
+    LV(url, GPG_EXT_PRIVATE_DO_LENGTH);
 
 } gpg_key_slot_t;
 
@@ -152,8 +154,6 @@ struct gpg_nv_state_s {
 
     /*  5E */
     LV(login, GPG_EXT_PRIVATE_DO_LENGTH);
-    /*  5F50 */
-    LV(url, GPG_EXT_PRIVATE_DO_LENGTH);
 
     /* -- Cardholder Related Data -- */
     /*  5B */