crypto/ec/ec_mult.c

79     const EC_GROUP *group;      /* parent EC_GROUP object */
96 static EC_PRE_COMP *ec_pre_comp_new(const EC_GROUP *group)
100     if (!group)
108     ret->group = group;
330 int ec_wNAF_mul(const EC_GROUP *group, EC_POINT *r, const BIGNUM *scalar,
359     if (group->meth != r->meth) {
365         return EC_POINT_set_to_infinity(group, r);
369         if (group->meth != points[i]->meth) {
382         generator = EC_GROUP_get0_generator(group);
391             EC_EX_DATA_get_data(group->extra_data, ec_pre_comp_dup,
395             && (EC_POINT_cmp(group, generator, pre_comp->points[0], ctx) ==
591             *v = EC_POINT_new(group);
602     if (!(tmp = EC_POINT_new(group)))
622             if (!EC_POINT_dbl(group, tmp, val_sub[i][0], ctx))
626                     (group, val_sub[i][j], val_sub[i][j - 1], tmp, ctx))
634     if (!EC_POINTs_make_affine(group, num_val, val, ctx))
642             if (!EC_POINT_dbl(group, r, r, ctx))
659                             if (!EC_POINT_invert(group, r, ctx))
673                             (group, r, r, val_sub[i][digit >> 1], ctx))
682         if (!EC_POINT_set_to_infinity(group, r))
686             if (!EC_POINT_invert(group, r, ctx))
741 int ec_wNAF_precompute_mult(EC_GROUP *group, BN_CTX *ctx)
753     EC_EX_DATA_free_data(&group->extra_data, ec_pre_comp_dup,
756     if ((pre_comp = ec_pre_comp_new(group)) == NULL)
759     generator = EC_GROUP_get0_generator(group);
776     if (!EC_GROUP_get_order(group, order, ctx))
814         if ((var[i] = EC_POINT_new(group)) == NULL) {
820     if (!(tmp_point = EC_POINT_new(group)) || !(base = EC_POINT_new(group))) {
832         if (!EC_POINT_dbl(group, tmp_point, base, ctx))
842             if (!EC_POINT_add(group, *var, tmp_point, *(var - 1), ctx))
857             if (!EC_POINT_dbl(group, base, tmp_point, ctx))
860                 if (!EC_POINT_dbl(group, base, base, ctx))
866     if (!EC_POINTs_make_affine(group, num, points, ctx))
869     pre_comp->group = group;
877     if (!EC_EX_DATA_set_data(&group->extra_data, pre_comp,
905 int ec_wNAF_have_precompute_mult(const EC_GROUP *group)
908         (group->extra_data, ec_pre_comp_dup, ec_pre_comp_free,