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jl777
2019-02-21 02:03:12 -11:00
parent 4fab71d374
commit 15fb6f1695
1 changed files with 9 additions and 10 deletions
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19
src/secp256k1/src/ecmult_const_impl.h
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@@ -15,21 +15,12 @@
#include "ecmult_impl.h" #include "ecmult_impl.h"
#ifdef USE_ENDOMORPHISM
#define WNAF_BITS 128
#else
#define WNAF_BITS 256
#endif
#define WNAF_SIZE_BITS(bits, w) (((bits) + (w) - 1) / (w))
#define WNAF_SIZE(w) WNAF_SIZE_BITS(WNAF_BITS, w)
/*
#ifdef USE_ENDOMORPHISM #ifdef USE_ENDOMORPHISM
#define WNAF_BITS 128 #define WNAF_BITS 128
#else #else
#define WNAF_BITS 256 #define WNAF_BITS 256
#endif #endif
#define WNAF_SIZE(w) ((WNAF_BITS + (w) - 1) / (w))*/ #define WNAF_SIZE(w) ((WNAF_BITS + (w) - 1) / (w))
/* This is like `ECMULT_TABLE_GET_GE` but is constant time */ /* This is like `ECMULT_TABLE_GET_GE` but is constant time */
#define ECMULT_CONST_TABLE_GET_GE(r,pre,n,w) do { \ #define ECMULT_CONST_TABLE_GET_GE(r,pre,n,w) do { \
@@ -266,6 +257,14 @@ static void secp256k1_ecmult_const(secp256k1_gej *r, const secp256k1_ge *a, cons
#include "ecmult_const.h" #include "ecmult_const.h"
#include "ecmult_impl.h" #include "ecmult_impl.h"
#ifdef USE_ENDOMORPHISM
#define WNAF_BITS 128
#else
#define WNAF_BITS 256
#endif
#define WNAF_SIZE_BITS(bits, w) (((bits) + (w) - 1) / (w))
#define WNAF_SIZE(w) WNAF_SIZE_BITS(WNAF_BITS, w)
/* This is like `ECMULT_TABLE_GET_GE` but is constant time */ /* This is like `ECMULT_TABLE_GET_GE` but is constant time */
#define ECMULT_CONST_TABLE_GET_GE(r,pre,n,w) do { \ #define ECMULT_CONST_TABLE_GET_GE(r,pre,n,w) do { \
int m; \ int m; \