diff options
Diffstat (limited to 'src/secp256k1/src/tests_exhaustive.c')
| -rw-r--r-- | src/secp256k1/src/tests_exhaustive.c | 43 |
1 files changed, 42 insertions, 1 deletions
diff --git a/src/secp256k1/src/tests_exhaustive.c b/src/secp256k1/src/tests_exhaustive.c index b040bb0733..ab9779b02f 100644 --- a/src/secp256k1/src/tests_exhaustive.c +++ b/src/secp256k1/src/tests_exhaustive.c @@ -174,7 +174,7 @@ void test_exhaustive_ecmult(const secp256k1_context *ctx, const secp256k1_ge *gr ge_equals_gej(&group[(i * r_log + j) % order], &tmp); if (i > 0) { - secp256k1_ecmult_const(&tmp, &group[i], &ng); + secp256k1_ecmult_const(&tmp, &group[i], &ng, 256); ge_equals_gej(&group[(i * j) % order], &tmp); } } @@ -182,6 +182,46 @@ void test_exhaustive_ecmult(const secp256k1_context *ctx, const secp256k1_ge *gr } } +typedef struct { + secp256k1_scalar sc[2]; + secp256k1_ge pt[2]; +} ecmult_multi_data; + +static int ecmult_multi_callback(secp256k1_scalar *sc, secp256k1_ge *pt, size_t idx, void *cbdata) { + ecmult_multi_data *data = (ecmult_multi_data*) cbdata; + *sc = data->sc[idx]; + *pt = data->pt[idx]; + return 1; +} + +void test_exhaustive_ecmult_multi(const secp256k1_context *ctx, const secp256k1_ge *group, int order) { + int i, j, k, x, y; + secp256k1_scratch *scratch = secp256k1_scratch_create(&ctx->error_callback, 4096); + for (i = 0; i < order; i++) { + for (j = 0; j < order; j++) { + for (k = 0; k < order; k++) { + for (x = 0; x < order; x++) { + for (y = 0; y < order; y++) { + secp256k1_gej tmp; + secp256k1_scalar g_sc; + ecmult_multi_data data; + + secp256k1_scalar_set_int(&data.sc[0], i); + secp256k1_scalar_set_int(&data.sc[1], j); + secp256k1_scalar_set_int(&g_sc, k); + data.pt[0] = group[x]; + data.pt[1] = group[y]; + + secp256k1_ecmult_multi_var(&ctx->ecmult_ctx, scratch, &tmp, &g_sc, ecmult_multi_callback, &data, 2); + ge_equals_gej(&group[(i * x + j * y + k) % order], &tmp); + } + } + } + } + } + secp256k1_scratch_destroy(scratch); +} + void r_from_k(secp256k1_scalar *r, const secp256k1_ge *group, int k) { secp256k1_fe x; unsigned char x_bin[32]; @@ -456,6 +496,7 @@ int main(void) { #endif test_exhaustive_addition(group, groupj, EXHAUSTIVE_TEST_ORDER); test_exhaustive_ecmult(ctx, group, groupj, EXHAUSTIVE_TEST_ORDER); + test_exhaustive_ecmult_multi(ctx, group, EXHAUSTIVE_TEST_ORDER); test_exhaustive_sign(ctx, group, EXHAUSTIVE_TEST_ORDER); test_exhaustive_verify(ctx, group, EXHAUSTIVE_TEST_ORDER); |