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crypto/secp256k1: enable 128-bit int code and endomorphism optimization (#21203)

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* crypto/secp256k1: enable use of __int128

This speeds up scalar & field calculations a lot.

* crypto/secp256k1: enable endomorphism optimization
This commit is contained in:
Felix Lange 2020-06-24 12:51:32 +02:00 committed by GitHub
parent da180ba097
commit 23f1a0b783
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 2 deletions
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13
crypto/secp256k1/secp256.go
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@ -8,10 +8,19 @@ package secp256k1
/*
#cgo CFLAGS: -I./libsecp256k1
#cgo CFLAGS: -I./libsecp256k1/src/
#ifdef __SIZEOF_INT128__
# define HAVE___INT128
# define USE_FIELD_5X52
# define USE_SCALAR_4X64
#else
# define USE_FIELD_10X26
# define USE_SCALAR_8X32
#endif
#define USE_ENDOMORPHISM
#define USE_NUM_NONE
#define USE_FIELD_10X26
#define USE_FIELD_INV_BUILTIN
#define USE_SCALAR_8X32
#define USE_SCALAR_INV_BUILTIN
#define NDEBUG
#include "./libsecp256k1/src/secp256k1.c"