Unstable branch: ported iclass research from Pentura_Prox's previous proxmark implent...

[proxmark3-svn] / client / loclass / cipherutils.h

diff --git a/client/loclass/cipherutils.h b/client/loclass/cipherutils.h
new file mode 100644 (file)
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+++ b/client/loclass/cipherutils.h
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+/*****************************************************************************
+ * This file is part of iClassCipher. It is a reconstructon 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".
+ *
+ * Copyright (C) 2014 Martin Holst Swende
+ *
+ * This is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as published
+ * by the Free Software Foundation.
+ *
+ * This file 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with IClassCipher.  If not, see <http://www.gnu.org/licenses/>.
+ ****************************************************************************/
+
+#ifndef CIPHERUTILS_H
+#define CIPHERUTILS_H
+#include <stdint.h>
+#include <stdbool.h>
+#include <stdlib.h>
+
+typedef struct {
+       uint8_t * buffer;
+       uint8_t numbits;
+       uint8_t position;
+} BitstreamIn;
+
+typedef struct {
+       uint8_t * buffer;
+       uint8_t numbits;
+       uint8_t position;
+}BitstreamOut;
+
+bool headBit( BitstreamIn *stream);
+bool tailBit( BitstreamIn *stream);
+void pushBit( BitstreamOut *stream, bool bit);
+int bitsLeft( BitstreamIn *stream);
+bool xorbits_8(uint8_t val);
+bool xorbits_16(uint16_t val);
+int testCipherUtils(void);
+int testMAC();
+void push6bits( BitstreamOut* stream, uint8_t bits);
+void EncryptDES(bool key[56], bool outBlk[64], bool inBlk[64], int verbose) ;
+uint8_t reversebytes(uint8_t b);
+void reverse_arraybytes(uint8_t* arr, size_t len);
+
+#endif // CIPHERUTILS_H