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47 lines
1.3 KiB
C++
47 lines
1.3 KiB
C++
#ifndef _SECP256K1_NUM_GMP_
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#define _SECP256K1_NUM_GMP_
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#include <string>
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#include <gmp.h>
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namespace secp256k1 {
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class Number {
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private:
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mutable mpz_t bn;
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Number(const Number &x);
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public:
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Number();
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~Number();
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Number(const unsigned char *bin, int len);
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Number &operator=(const Number &x);
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void SetNumber(const Number &x);
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void SetBytes(const unsigned char *bin, unsigned int len);
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void GetBytes(unsigned char *bin, unsigned int len);
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void SetInt(int x);
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void SetModInverse(const Number &x, const Number &m);
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void SetModMul(const Number &a, const Number &b, const Number &m);
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void SetAdd(const Number &a1, const Number &a2);
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void SetSub(const Number &a1, const Number &a2);
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void SetMult(const Number &a1, const Number &a2);
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void SetDiv(const Number &a1, const Number &a2);
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void SetMod(const Number &a, const Number &m);
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int Compare(const Number &a) const;
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int GetBits() const;
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int ShiftLowBits(int bits);
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bool IsZero() const;
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bool IsOdd() const;
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bool IsNeg() const;
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void Negate();
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void Shift1();
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void Inc();
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void SetHex(const std::string &str);
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void SetPseudoRand(const Number &max);
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void SplitInto(int bits, Number &low, Number &high) const;
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std::string ToString() const;
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};
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}
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#endif
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