PicoPass / iClass (#1298)

* add mdedtls for des3 implementation
* add localss from RfidResearchGroup/proxmark3
* picopass reader app and rfal for communicating with picopass cards
* always turn off field
* close storage when keys are not found
* Add mbedtls as submodule
* add mbedtl_config
* Switched to only including specific mbedtls files I need.  Thank you @kevinwallace
* cherry-pick kevinwallace sconsify
* scons for mbedtls/loclass
* Reset to ready state on error
* unsigned FC/CN
* clean FC/CN if not decoded

Co-authored-by: hedger <hedger@users.noreply.github.com>
Co-authored-by: あく <alleteam@gmail.com>
Co-authored-by: Kevin Wallace <git+flipperzero@kevin.wallace.seattle.wa.us>

lib/loclass/optimized_ikeys.h

@@ -0,0 +1,66 @@
+//-----------------------------------------------------------------------------
+// Borrowed initially from https://github.com/holiman/loclass
+// More recently from https://github.com/RfidResearchGroup/proxmark3
+// Copyright (C) 2014 Martin Holst Swende
+// Copyright (C) Proxmark3 contributors. See AUTHORS.md for details.
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// See LICENSE.txt for the text of the license.
+//-----------------------------------------------------------------------------
+// WARNING
+//
+// THIS CODE IS CREATED FOR EXPERIMENTATION AND EDUCATIONAL USE ONLY.
+//
+// USAGE OF THIS CODE IN OTHER WAYS MAY INFRINGE UPON THE INTELLECTUAL
+// PROPERTY OF OTHER PARTIES, SUCH AS INSIDE SECURE AND HID GLOBAL,
+// AND MAY EXPOSE YOU TO AN INFRINGEMENT ACTION FROM THOSE PARTIES.
+//
+// THIS CODE SHOULD NEVER BE USED TO INFRINGE PATENTS OR INTELLECTUAL PROPERTY RIGHTS.
+//-----------------------------------------------------------------------------
+// It is a reconstruction of the cipher engine used in iClass, and RFID techology.
+//
+// The implementation is based on the work performed by
+// Flavio D. Garcia, Gerhard de Koning Gans, Roel Verdult and
+// Milosch Meriac in the paper "Dismantling IClass".
+//-----------------------------------------------------------------------------
+#ifndef IKEYS_H
+#define IKEYS_H
+
+#include <inttypes.h>
+
+/**
+ * @brief
+ *Definition 11. Let the function hash0 : F 82 × F 82 × (F 62 ) 8 → (F 82 ) 8 be defined as
+ *  hash0(x, y, z [0] . . . z [7] ) = k [0] . . . k [7] where
+ * z'[i] = (z[i] mod (63-i)) + i        i =  0...3
+ * z'[i+4] = (z[i+4] mod (64-i)) + i    i =  0...3
+ * ẑ = check(z');
+ * @param c
+ * @param k this is where the diversified key is put (should be 8 bytes)
+ * @return
+ */
+void hash0(uint64_t c, uint8_t k[8]);
+/**
+ * @brief Performs Elite-class key diversification
+ * @param csn
+ * @param key
+ * @param div_key
+ */
+
+void diversifyKey(uint8_t *csn, uint8_t *key, uint8_t *div_key);
+/**
+ * @brief Permutes a key from standard NIST format to Iclass specific format
+ * @param key
+ * @param dest
+ */
+
+#endif // IKEYS_H