frost/secp256k1-zkp
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Switch to a single malloc call

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This commit is contained in:
Tim Ruffing
2018-10-22 16:25:26 +02:00
parent ef020de16f
commit c4fd5dab45
8 changed files with 79 additions and 66 deletions
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13
src/gen_context.c
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@@ -8,6 +8,7 @@
#include "basic-config.h"
#include "include/secp256k1.h"
#include "util.h"
#include "field_impl.h"
#include "scalar_impl.h"
#include "group_impl.h"
@@ -26,6 +27,7 @@ static const secp256k1_callback default_error_callback = {
int main(int argc, char **argv) {
secp256k1_ecmult_gen_context ctx;
void *prealloc, *base;
int inner;
int outer;
FILE* fp;
@@ -38,15 +40,17 @@ int main(int argc, char **argv) {
fprintf(stderr, "Could not open src/ecmult_static_context.h for writing!\n");
return -1;
}
fprintf(fp, "#ifndef _SECP256K1_ECMULT_STATIC_CONTEXT_\n");
fprintf(fp, "#define _SECP256K1_ECMULT_STATIC_CONTEXT_\n");
fprintf(fp, "#include \"src/group.h\"\n");
fprintf(fp, "#define SC SECP256K1_GE_STORAGE_CONST\n");
fprintf(fp, "static const secp256k1_ge_storage secp256k1_ecmult_static_context[64][16] = {\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, &default_error_callback);
secp256k1_ecmult_gen_context_build(&ctx, &prealloc);
for(outer = 0; outer != 64; outer++) {
fprintf(fp,"{\n");
for(inner = 0; inner != 16; inner++) {
@@ -65,10 +69,11 @@ int main(int argc, char **argv) {
}
fprintf(fp,"};\n");
secp256k1_ecmult_gen_context_clear(&ctx);
free(base);
fprintf(fp, "#undef SC\n");
fprintf(fp, "#endif\n");
fclose(fp);
return 0;
}