1 files changed, 96 insertions, 0 deletions
diff --git a/src/server/shared/Cryptography/BigNumber.h b/src/server/shared/Cryptography/BigNumber.h
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+++ b/src/server/shared/Cryptography/BigNumber.h
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+/*
+ * Copyright (C) 2005-2009 MaNGOS <http://getmangos.com/>
+ *
+ * Copyright (C) 2008-2010 Trinity <http://www.trinitycore.org/>
+ *
+ * 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 2 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+#ifndef _AUTH_BIGNUMBER_H
+#define _AUTH_BIGNUMBER_H
+
+#include "Common.h"
+
+struct bignum_st;
+
+class BigNumber
+{
+    public:
+        BigNumber();
+        BigNumber(const BigNumber &bn);
+        BigNumber(uint32);
+        ~BigNumber();
+
+        void SetDword(uint32);
+        void SetQword(uint64);
+        void SetBinary(const uint8 *bytes, int len);
+        void SetHexStr(const char *str);
+
+        void SetRand(int numbits);
+
+        BigNumber operator=(const BigNumber &bn);
+
+        BigNumber operator+=(const BigNumber &bn);
+        BigNumber operator+(const BigNumber &bn)
+        {
+            BigNumber t(*this);
+            return t += bn;
+        }
+        BigNumber operator-=(const BigNumber &bn);
+        BigNumber operator-(const BigNumber &bn)
+        {
+            BigNumber t(*this);
+            return t -= bn;
+        }
+        BigNumber operator*=(const BigNumber &bn);
+        BigNumber operator*(const BigNumber &bn)
+        {
+            BigNumber t(*this);
+            return t *= bn;
+        }
+        BigNumber operator/=(const BigNumber &bn);
+        BigNumber operator/(const BigNumber &bn)
+        {
+            BigNumber t(*this);
+            return t /= bn;
+        }
+        BigNumber operator%=(const BigNumber &bn);
+        BigNumber operator%(const BigNumber &bn)
+        {
+            BigNumber t(*this);
+            return t %= bn;
+        }
+
+        bool isZero() const;
+
+        BigNumber ModExp(const BigNumber &bn1, const BigNumber &bn2);
+        BigNumber Exp(const BigNumber &);
+
+        int GetNumBytes(void);
+
+        struct bignum_st *BN() { return _bn; }
+
+        uint32 AsDword();
+        uint8* AsByteArray(int minSize = 0, bool reverse = true);
+
+        const char *AsHexStr();
+        const char *AsDecStr();
+
+    private:
+        struct bignum_st *_bn;
+        uint8 *_array;
+};
+#endif
+