some simple identification tests, will need to expand on the idea later

CHANGELOG.md

@@ -3,6 +3,8 @@ All notable changes to this project will be documented in this file.
 This project uses the changelog in accordance with [keepchangelog](http://keepachangelog.com/). Please use this to write notable changes, which is not the same as git commit log...
 
 ## [unreleased][unreleased]
+- Change `lf hitag info` - now tries to identify different key fob emulators (@iceman1001)
+- Added `lf hitag reader` - act as a Hitag2 reader (@iceman1001)
 - Fixed `lf hitag crack2` - now works. (@iceman1001)
 - Fixed wrong use of free() in desfire crypto on arm src,  thanks @jlitewski! (@iceman1001)
 - Added `lf em 4x70 calc` - calculate `frn`/`grn` for a given `key` + `rnd`

client/src/cmdlfhitag.c

@@ -766,6 +766,26 @@ void annotateHitag2(char *exp, size_t size, const uint8_t *cmd, uint8_t cmdsize,
 void annotateHitagS(char *exp, size_t size, const uint8_t *cmd, uint8_t cmdsize, bool is_response) {
 }
 
+static const char* identify_transponder_hitag2(uint32_t uid) {
+
+    switch (uid) {
+        case 0x53505910:
+            return "IMMO Key emulator";
+            break;
+        case 0x5accc811:
+        case 0x5accc821:
+        case 0x5accc831:
+        case 0x5accc841:
+        case 0x5accc851:
+        case 0x5accc861:
+        case 0x5accc871:
+        case 0x5accc881:
+        case 0x5accc891:
+        case 0x5accc8B1:
+            return "CN3 Tango Key emulator";
+    }
+    return "";
+}
 
 static bool getHitag2Uid(uint32_t *uid) {
 
@@ -822,6 +842,16 @@ static int CmdLFHitagInfo(const char *Cmd) {
     // print_hitag2_configuration(uid,  0x02);
     // print_hitag2_configuration(uid,  0x00);
     // print_hitag2_configuration(uid,  0x04);
+
+    PrintAndLogEx(INFO, "--- " _CYAN_("Fingerprint"));
+    const char *s = identify_transponder_hitag2(uid);
+    if (strlen(s)) {
+        PrintAndLogEx(SUCCESS, "Found... " _GREEN_("%s"), s);
+    } else {
+        PrintAndLogEx(INFO, _RED_("n/a"));
+    }
+
+    PrintAndLogEx(NORMAL, "");
     return PM3_SUCCESS;
 }