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Permit COMB_BITS < 256 for exhaustive tests

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This commit is contained in:
Pieter Wuille
2022-01-04 18:46:22 -05:00
parent 39b2f2a321
commit a043940253
7 changed files with 64 additions and 46 deletions
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4
src/ecmult_gen_compute_table_impl.h
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@@ -14,10 +14,9 @@
#include "ecmult_gen.h"
#include "util.h"
static void secp256k1_ecmult_gen_compute_table(secp256k1_ge_storage* table, const secp256k1_ge* gen, int blocks, int teeth) {
static void secp256k1_ecmult_gen_compute_table(secp256k1_ge_storage* table, const secp256k1_ge* gen, int blocks, int teeth, int spacing) {
size_t points = ((size_t)1) << (teeth - 1);
size_t points_total = points * blocks;
int spacing = (256 + blocks * teeth - 1) / (blocks * teeth);
secp256k1_ge* prec = checked_malloc(&default_error_callback, points_total * sizeof(*prec));
secp256k1_gej* ds = checked_malloc(&default_error_callback, teeth * sizeof(*ds));
secp256k1_gej* vs = checked_malloc(&default_error_callback, points_total * sizeof(*vs));
@@ -95,6 +94,7 @@ static void secp256k1_ecmult_gen_compute_table(secp256k1_ge_storage* table, cons
for (block = 0; block < blocks; ++block) {
size_t index;
for (index = 0; index < points; ++index) {
VERIFY_CHECK(!secp256k1_ge_is_infinity(&prec[block * points + index]));
secp256k1_ge_to_storage(&table[block * points + index], &prec[block * points + index]);
}
}