return NULL;
}
+void free_cached_groups()
+{
+ R3410_ec_params *params;
+
+ /* Search nid in 2012 paramset */
+ params = R3410_2012_512_paramset;
+ while (params->nid != NID_undef) {
+ EC_GROUP_free(params->group);
+ params->group = NULL;
+ params++;
+ }
+
+ /* Search nid in 2001 paramset */
+ params = R3410_2001_paramset;
+ while (params->nid != NID_undef) {
+ EC_GROUP_free(params->group);
+ params->group = NULL;
+ params++;
+ }
+}
+
/*
* Fills EC_KEY structure hidden in the app_data field of DSA structure
* with parameter information, extracted from parameter array in
EC_POINT *P = NULL;
BIGNUM *p = NULL, *q = NULL, *a = NULL, *b = NULL, *x = NULL, *y =
NULL, *cofactor = NULL;
- BN_CTX *ctx;
+ BN_CTX *ctx = NULL;
int ok = 0;
if (!eckey || !params) {
return 0;
}
+ if (params->group) {
+ EC_GROUP_set_curve_name(params->group, nid);
+ if (!EC_KEY_set_group(eckey, params->group)) {
+ GOSTerr(GOST_F_FILL_GOST_EC_PARAMS, ERR_R_INTERNAL_ERROR);
+ goto end;
+ }
+ return 1;
+ }
+
if (!(ctx = BN_CTX_new())) {
GOSTerr(GOST_F_FILL_GOST_EC_PARAMS, ERR_R_MALLOC_FAILURE);
return 0;
goto end;
}
EC_GROUP_set_curve_name(grp, nid);
+ params->group = grp;
if (!EC_KEY_set_group(eckey, grp)) {
GOSTerr(GOST_F_FILL_GOST_EC_PARAMS, ERR_R_INTERNAL_ERROR);
goto end;
}
ok = 1;
end:
- if (P)
- EC_POINT_free(P);
- if (grp)
- EC_GROUP_free(grp);
+ EC_POINT_free(P);
BN_CTX_end(ctx);
BN_CTX_free(ctx);
return ok;