From 1b387ae90e2380e481887fdf3f1c5b015687854a Mon Sep 17 00:00:00 2001
From: iceman1001 <iceman@iuse.se>
Date: Mon, 20 May 2024 21:26:12 +0200
Subject: [PATCH] some simple identification tests, will need to expand on the
 idea later

---
 CHANGELOG.md            |  2 ++
 client/src/cmdlfhitag.c | 30 ++++++++++++++++++++++++++++++
 2 files changed, 32 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3ca56628b..a4710aeae 100644
--- a/CHANGELOG.md
+++ b/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`
diff --git a/client/src/cmdlfhitag.c b/client/src/cmdlfhitag.c
index 1a6e314d3..1d79fb68f 100644
--- a/client/src/cmdlfhitag.c
+++ b/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;
 }