-EVP_MD digest_gost = {
- NID_id_GostR3411_94,
- NID_undef,
- 32,
- EVP_MD_FLAG_PKEY_METHOD_SIGNATURE,
- gost_digest_init,
- gost_digest_update,
- gost_digest_final,
- gost_digest_copy,
- gost_digest_cleanup,
- NULL,
- NULL,
- {NID_undef, NID_undef, 0, 0, 0},
- 32,
- sizeof(struct ossl_gost_digest_ctx),
- NULL
-};
+static EVP_MD *_hidden_GostR3411_94_md = NULL;
+
+EVP_MD *digest_gost(void)
+{
+ if (_hidden_GostR3411_94_md == NULL) {
+ EVP_MD *md;
+
+ if ((md = EVP_MD_meth_new(NID_id_GostR3411_94, NID_undef)) == NULL
+ || !EVP_MD_meth_set_result_size(md, 32)
+ || !EVP_MD_meth_set_input_blocksize(md, 32)
+ || !EVP_MD_meth_set_app_datasize(md,
+ sizeof(struct
+ ossl_gost_digest_ctx))
+ || !EVP_MD_meth_set_init(md, gost_digest_init)
+ || !EVP_MD_meth_set_update(md, gost_digest_update)
+ || !EVP_MD_meth_set_final(md, gost_digest_final)
+ || !EVP_MD_meth_set_copy(md, gost_digest_copy)
+ || !EVP_MD_meth_set_cleanup(md, gost_digest_cleanup)) {
+ EVP_MD_meth_free(md);
+ md = NULL;
+ }
+ _hidden_GostR3411_94_md = md;
+ }
+ return _hidden_GostR3411_94_md;
+}
+
+void digest_gost_destroy(void)
+{
+ EVP_MD_meth_free(_hidden_GostR3411_94_md);
+ _hidden_GostR3411_94_md = NULL;
+}