diff options
Diffstat (limited to 'src/secp256k1/src/gen_context.c')
-rw-r--r-- | src/secp256k1/src/gen_context.c | 95 |
1 files changed, 0 insertions, 95 deletions
diff --git a/src/secp256k1/src/gen_context.c b/src/secp256k1/src/gen_context.c deleted file mode 100644 index f9176eb996..0000000000 --- a/src/secp256k1/src/gen_context.c +++ /dev/null @@ -1,95 +0,0 @@ -/*********************************************************************** - * Copyright (c) 2013, 2014, 2015 Thomas Daede, Cory Fields * - * Distributed under the MIT software license, see the accompanying * - * file COPYING or https://www.opensource.org/licenses/mit-license.php.* - ***********************************************************************/ - -/* Autotools creates libsecp256k1-config.h, of which ECMULT_GEN_PREC_BITS is needed. - ifndef guard so downstream users can define their own if they do not use autotools. */ -#if !defined(ECMULT_GEN_PREC_BITS) -#include "libsecp256k1-config.h" -#endif - -/* We can't require the precomputed tables when creating them. */ -#undef USE_ECMULT_STATIC_PRECOMPUTATION - -/* In principle we could use ASM, but this yields only a minor speedup in - build time and it's very complicated. In particular when cross-compiling, we'd - need to build the ASM for the build and the host machine. */ -#undef USE_EXTERNAL_ASM -#undef USE_ASM_X86_64 - -#include "../include/secp256k1.h" -#include "assumptions.h" -#include "util.h" -#include "field_impl.h" -#include "scalar_impl.h" -#include "group_impl.h" -#include "ecmult_gen_impl.h" - -static void default_error_callback_fn(const char* str, void* data) { - (void)data; - fprintf(stderr, "[libsecp256k1] internal consistency check failed: %s\n", str); - abort(); -} - -static const secp256k1_callback default_error_callback = { - default_error_callback_fn, - NULL -}; - -int main(int argc, char **argv) { - secp256k1_ecmult_gen_context ctx; - void *prealloc, *base; - int inner; - int outer; - FILE* fp; - - (void)argc; - (void)argv; - - fp = fopen("src/ecmult_static_context.h","w"); - if (fp == NULL) { - fprintf(stderr, "Could not open src/ecmult_static_context.h for writing!\n"); - return -1; - } - - fprintf(fp, "#ifndef SECP256K1_ECMULT_STATIC_CONTEXT_H\n"); - fprintf(fp, "#define SECP256K1_ECMULT_STATIC_CONTEXT_H\n"); - fprintf(fp, "#include \"src/group.h\"\n"); - fprintf(fp, "#define SC SECP256K1_GE_STORAGE_CONST\n"); - fprintf(fp, "#if ECMULT_GEN_PREC_N != %d || ECMULT_GEN_PREC_G != %d\n", ECMULT_GEN_PREC_N, ECMULT_GEN_PREC_G); - fprintf(fp, " #error configuration mismatch, invalid ECMULT_GEN_PREC_N, ECMULT_GEN_PREC_G. Try deleting ecmult_static_context.h before the build.\n"); - fprintf(fp, "#endif\n"); - fprintf(fp, "static const secp256k1_ge_storage secp256k1_ecmult_static_context[ECMULT_GEN_PREC_N][ECMULT_GEN_PREC_G] = {\n"); - - base = checked_malloc(&default_error_callback, SECP256K1_ECMULT_GEN_CONTEXT_PREALLOCATED_SIZE); - prealloc = base; - secp256k1_ecmult_gen_context_init(&ctx); - secp256k1_ecmult_gen_context_build(&ctx, &prealloc); - for(outer = 0; outer != ECMULT_GEN_PREC_N; outer++) { - fprintf(fp,"{\n"); - for(inner = 0; inner != ECMULT_GEN_PREC_G; inner++) { - fprintf(fp," SC(%uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu, %uu)", SECP256K1_GE_STORAGE_CONST_GET((*ctx.prec)[outer][inner])); - if (inner != ECMULT_GEN_PREC_G - 1) { - fprintf(fp,",\n"); - } else { - fprintf(fp,"\n"); - } - } - if (outer != ECMULT_GEN_PREC_N - 1) { - fprintf(fp,"},\n"); - } else { - fprintf(fp,"}\n"); - } - } - fprintf(fp,"};\n"); - secp256k1_ecmult_gen_context_clear(&ctx); - free(base); - - fprintf(fp, "#undef SC\n"); - fprintf(fp, "#endif\n"); - fclose(fp); - - return 0; -} |