From 85c5db992aa017198261967afc850531b980f314 Mon Sep 17 00:00:00 2001
From: Steve Embling <34773749+steve-embling@users.noreply.github.com>
Date: Fri, 22 Feb 2019 10:00:32 +0000
Subject: [PATCH 1/4] initial testing of iclass crypto

---
 lrr_wiegand_listener.py | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/lrr_wiegand_listener.py b/lrr_wiegand_listener.py
index b9f79034..8e965ae5 100644
--- a/lrr_wiegand_listener.py
+++ b/lrr_wiegand_listener.py
@@ -7,6 +7,11 @@
 #############################################################################
 
 import pigpio
+from Crypto.Cipher import DES3
+from Crypto.Random import get_random_bytes
+from binascii import hexlify
+
+iclass_key = "00000000000000000000000000000000"
 
 # The magic code to decode wiegand data from the wiegand data lines. Borrowed from http://abyz.co.uk/rpi/pigpio/examples.html
 class decoder:
@@ -123,6 +128,14 @@ def validateCSV(file):
             if not (id_num.isdigit()):
                 id_num = 0
 
+    def encryptIClass(wiegand_hex):
+        if iclass_key ==   "00000000000000000000000000000000":
+            return "FFFFFFFFFFFFFFFF".upper() 
+        else:
+            key = iclass_key.decode("hex")
+            cipher = DES3.new(key, DES3.MODE_ECB)
+            plaintext = wiegand_hex.decode("hex")
+            return hexlify(cipher.encrypt(plaintext))
 
     # Add scanned cards to CSV file
     def addCardsToCSV(bits, wiegand_binary, wiegand_hex, enc_hex, fac_code, card_num, card_num_no_fac):
@@ -195,4 +208,4 @@ def callback(bits, value):
         raw_input()
     w.cancel()
     pi.stop()
-    
\ No newline at end of file
+    

From 41ea7041eda4b7fac7fccd40d45ae31af40c0310 Mon Sep 17 00:00:00 2001
From: Steve Embling <34773749+steve-embling@users.noreply.github.com>
Date: Fri, 22 Feb 2019 10:08:28 +0000
Subject: [PATCH 2/4] added hooks

---
 lrr_wiegand_listener.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lrr_wiegand_listener.py b/lrr_wiegand_listener.py
index 8e965ae5..94c6a846 100644
--- a/lrr_wiegand_listener.py
+++ b/lrr_wiegand_listener.py
@@ -183,7 +183,7 @@ def callback(bits, value):
         fac_code, card_num, card_num_no_fac, hidHeader = decodeWiegandData(bits, wiegand_binary)
         wiegand_binary = hidHeader + wiegand_binary
         wiegand_hex = "%016X" % int(wiegand_binary, 2)
-        enc_hex = "FFFFFFFFFFFFFFFF".upper()  # To Implement
+        enc_hex = encryptIClass(wiegand_hex)
         addCardsToCSV(bits, wiegand_binary, wiegand_hex, enc_hex, fac_code, card_num, card_num_no_fac)
 
         # Debug output to console

From 64f6124ff7ee28a43ca4e8e12905b47e8ca16ead Mon Sep 17 00:00:00 2001
From: Steve Embling <34773749+steve-embling@users.noreply.github.com>
Date: Fri, 22 Feb 2019 10:25:23 +0000
Subject: [PATCH 3/4] uppercase for consistency

---
 lrr_wiegand_listener.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lrr_wiegand_listener.py b/lrr_wiegand_listener.py
index 94c6a846..f30ebdf3 100644
--- a/lrr_wiegand_listener.py
+++ b/lrr_wiegand_listener.py
@@ -135,7 +135,7 @@ def encryptIClass(wiegand_hex):
             key = iclass_key.decode("hex")
             cipher = DES3.new(key, DES3.MODE_ECB)
             plaintext = wiegand_hex.decode("hex")
-            return hexlify(cipher.encrypt(plaintext))
+            return hexlify(cipher.encrypt(plaintext)).upper()
 
     # Add scanned cards to CSV file
     def addCardsToCSV(bits, wiegand_binary, wiegand_hex, enc_hex, fac_code, card_num, card_num_no_fac):

From 4b762909a56132442919bc6874f542ad67b8bf4c Mon Sep 17 00:00:00 2001
From: Steve Embling <34773749+steve-embling@users.noreply.github.com>
Date: Fri, 22 Feb 2019 12:41:56 +0000
Subject: [PATCH 4/4] Removed unecessary import

---
 lrr_wiegand_listener.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lrr_wiegand_listener.py b/lrr_wiegand_listener.py
index f30ebdf3..fc3697d1 100644
--- a/lrr_wiegand_listener.py
+++ b/lrr_wiegand_listener.py
@@ -8,7 +8,6 @@
 
 import pigpio
 from Crypto.Cipher import DES3
-from Crypto.Random import get_random_bytes
 from binascii import hexlify
 
 iclass_key = "00000000000000000000000000000000"