DO NOT MERGE Don't persist bonds using sample LTK

[android-x86/system-bt.git] / stack / include / bt_types.h

diff --git a/stack/include/bt_types.h b/stack/include/bt_types.h
index 34447b6..ce98592 100644 (file)
--- a/stack/include/bt_types.h
+++ b/stack/include/bt_types.h
@@ -21,6 +21,7 @@
 
 #include <stdint.h>
 #include <stdbool.h>
+#include <string.h>
 
 #ifndef FALSE
 #  define FALSE  false
@@ -791,4 +792,13 @@ static inline void bdsetany(BD_ADDR a)
 {
     bdcpy(a, bd_addr_any);
 }
+
+static inline bool is_sample_ltk(const BT_OCTET16 ltk) {
+  /* Sample LTK from BT Spec 5.1 | Vol 6, Part C 1
+   * 0x4C68384139F574D836BCF34E9DFB01BF */
+  const uint8_t SAMPLE_LTK[] = {0xbf, 0x01, 0xfb, 0x9d, 0x4e, 0xf3, 0xbc, 0x36,
+                                0xd8, 0x74, 0xf5, 0x39, 0x41, 0x38, 0x68, 0x4c};
+  return memcmp(ltk, SAMPLE_LTK, BT_OCTET16_LEN) == 0;
+}
+
 #endif