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friend declarations in big.h and zzn.h #7

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friend declarations in big.h and zzn.h #7

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15 changes: 10 additions & 5 deletions include/big.h
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Original file line number Diff line number Diff line change
Expand Up @@ -299,7 +299,7 @@ class Big
{if (mr_compare(b1.fn,b2.fn)>0) return TRUE; else return FALSE;}

friend Big from_binary(int,char *);
friend int to_binary(const Big&,int,char *,BOOL justify=FALSE);
friend int to_binary(const Big&,int,char *,BOOL);
friend Big modmult(const Big&,const Big&,const Big&);
friend Big mad(const Big&,const Big&,const Big&,const Big&,Big&);
friend Big norm(const Big&);
Expand All @@ -321,7 +321,7 @@ class Big
// x^m.y^k mod n
friend Big pow(int,Big *,Big *,Big); // x[0]^m[0].x[1].m[1]... mod n

friend Big luc(const Big& ,const Big&, const Big&, Big *b4=NULL);
friend Big luc(const Big& ,const Big&, const Big&, Big *);
friend Big moddiv(const Big&,const Big&,const Big&);
friend Big inverse(const Big&, const Big&);
friend void multi_inverse(int,Big*,const Big&,Big *);
Expand Down Expand Up @@ -353,8 +353,8 @@ class Big
friend void modulo(const Big&);
friend BOOL modulo(int,int,int,int,BOOL);
friend Big get_modulus(void);
friend int window(const Big&,int,int*,int*,int window_size=5);
friend int naf_window(const Big&,const Big&,int,int*,int*,int store=11);
friend int window(const Big&,int,int*,int*,int);
friend int naf_window(const Big&,const Big&,int,int*,int*,int);
friend void jsf(const Big&,const Big&,Big&,Big&,Big&,Big&);

/* Montgomery stuff */
Expand Down Expand Up @@ -420,7 +420,12 @@ extern Big get_modulus(void);
extern Big rand(int,int);
extern Big strong_rand(csprng *,int,int);
extern Big from_binary(int,char *);
extern int to_binary(const Big&,int,char *,BOOL);
extern int to_binary(const Big&,int,char *,BOOL justify=FALSE);

// Forward Declaration for friend declaration to allow definition in cpp.
int window(const Big& x,int i,int *nbs,int *nzs,int window_size=5);
int naf_window(const Big& x,const Big& x3,int i,int *nbs,int *nzs,int store=11);
Big luc(const Big& b1,const Big& b2,const Big& b3,Big *b4=NULL);

using namespace std;

Expand Down
4 changes: 3 additions & 1 deletion include/zzn.h
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Expand Up @@ -183,7 +183,7 @@ class ZZn
friend ZZn getB(void); // get B parameter of elliptic curve

friend ZZn sqrt(const ZZn&); // only works if modulus is prime
friend ZZn luc( const ZZn&, const Big&, ZZn* b3=NULL);
friend ZZn luc( const ZZn&, const Big&, ZZn*);

big getzzn(void) const;

Expand All @@ -209,3 +209,5 @@ extern ZZn one(void);

#endif

// Forward Declaration for friend declaration to allow definition in cpp.
ZZn luc(const ZZn&, const Big&, ZZn* b3=NULL);
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This forward declaration should be moved before #endif.