Merge pull request #485 from tiagotriques/master

Added keys from USP card

Author: ikarus23

Mifare Classic Tool/app/src/main/assets/key-files/extended-std.keys

@@ -1841,3 +1841,20 @@ B1C4A8F7F6E3
 
 # Key from hotel in Spain
 6CA761AB6CA7
+
+# Universidade de São Paulo (USP) student card
+17b50e38f1b0
+24e311f594ce
+3794fbfb1a54
+43b229069f6a
+4531952f765f
+4943f2f35e0a
+4985e681ef88
+4f56c88e0337
+710070e92c79
+8a036c5c35d4
+a027bd830a06
+d33673c19243
+d89a506542f2
+e5813cd228f1
+fab943906e9c