mifare_desfire_key: fix get/set_version for AES keys

promovicz · Jan 6, 2018 · eea8b7b · eea8b7b
1 parent 2514cde
commit eea8b7b
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/libfreefare/mifare_desfire_key.c b/libfreefare/mifare_desfire_key.c
@@ -114,6 +114,9 @@ mifare_desfire_key_get_version(MifareDESFireKey key)
 {
  uint8_t version = 0;
 
+ if (key->type == T_AES)
+ return key->aes_version;
+
  for (int n = 0; n < 8; n++) {
  version |= ((key->data[n] & 1) << (7 - n));
  }
@@ -124,6 +127,11 @@ mifare_desfire_key_get_version(MifareDESFireKey key)
 void
 mifare_desfire_key_set_version(MifareDESFireKey key, uint8_t version)
 {
+ if (key->type == T_AES) {
+ key->aes_version = version;
+ return;
+ }
+
  for (int n = 0; n < 8; n++) {
  uint8_t version_bit = ((version & (1 << (7 - n))) >> (7 - n));
  key->data[n] &= 0xfe;