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Diffstat (limited to 'src/crypt/cbigint.h')
| -rw-r--r-- | src/crypt/cbigint.h | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/src/crypt/cbigint.h b/src/crypt/cbigint.h deleted file mode 100644 index f4ea407..0000000 --- a/src/crypt/cbigint.h +++ /dev/null @@ -1,98 +0,0 @@ -#ifndef CBIGINT_H -#define CBIGINT_H - -/** - * An integer number with unlimited number of digits. Low digit is at low address. - * - * @author Walter Roth - */ - -//define the base type of the number here. Useable types are: char, short int -typedef char BaseType; -struct BaseStruct -{ - BaseType low; - BaseType high; -}; - -union LongBaseType -{ - short int allSegments; - BaseStruct Segment; -}; - -class CBigInt -{ -public: - /** - * Default constructor. Creates a number with size zero digits. - * Converts value to it's CbigInt representation. - */ - CBigInt(int value = 0); - - /** - * Copy constructor. Creates a deep copy. - */ - CBigInt(const CBigInt & toCopy); - - /** - * Destructor frees memory. - */ - ~CBigInt(); - - /** - * Sets the new size, allocates memory and initializes with 0. - * If newSize is smaller than old,* _Size is reduced as long as - * digits to delete are zero. Returns final size. - */ - int setSize(int newSize); - - /** - * Returns the number of digits available (_Size) - */ - int size() const; - - /** - * Sets digit at position to value - */ - void setDigit(int pos, BaseType value); - - /** - * Operator + - */ - CBigInt operator +(const CBigInt & n2); - - /** - * Returns the number as a hexadecimal string - */ - const char * toHexString()const; - - /** - * Returns true, if LongBaseType is twice the size of BaseType - */ - static bool isLongOk(); - -private: - /** - * Make a deep copy - */ - void copy(const CBigInt & toCopy); - -private: - /** - * The start of the digit-array. Points to LSB. - */ - BaseType * _Digits; - - /** - * The number of Digits allocated. - */ - int _Size; - - /** - * The string buffer for toXXString functions - */ - static char * _StringBuffer; -} - -#endif // CBIGINT_H |
