libktorrent  2.1.1
bigint.h
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20 #ifndef MSEBIGINT_H
21 #define MSEBIGINT_H
22 
23 #include <qstring.h>
24 #include <util/constants.h>
25 #include <cstdio>
26 #include <gmp.h>
27 
28 using bt::Uint8;
29 using bt::Uint16;
30 using bt::Uint32;
31 using bt::Uint64;
32 
33 namespace mse
34 {
35 
42  class BigInt
43  {
44  public:
50  BigInt(Uint32 num_bits = 0);
51 
60  BigInt(const QString & value);
61 
66  BigInt(const BigInt & bi);
67  ~BigInt();
68 
74  BigInt & operator = (const BigInt & bi);
75 
81  static BigInt powerMod(const BigInt & x,const BigInt & e,const BigInt & d);
82 
84  static BigInt random();
85 
87  Uint32 toBuffer(Uint8* buf,Uint32 max_size) const;
88 
90  static BigInt fromBuffer(const Uint8* buf,Uint32 size);
91 
92  private:
93  mpz_t val;
94  };
95 
96 }
97 
98 #endif
mse::BigInt::BigInt
BigInt(const QString &value)
mse::BigInt
Definition: bigint.h:43
mse::BigInt::powerMod
static BigInt powerMod(const BigInt &x, const BigInt &e, const BigInt &d)
mse::BigInt::operator=
BigInt & operator=(const BigInt &bi)
mse::BigInt::toBuffer
Uint32 toBuffer(Uint8 *buf, Uint32 max_size) const
Export the bigint ot a buffer.
mse::BigInt::BigInt
BigInt(const BigInt &bi)
mse::BigInt::BigInt
BigInt(Uint32 num_bits=0)
mse::BigInt::random
static BigInt random()
Make a random BigInt.
mse::BigInt::fromBuffer
static BigInt fromBuffer(const Uint8 *buf, Uint32 size)
Make a BigInt out of a buffer.