gost_crypt: Add magma_ctr_acpkm_omac_cipher

[openssl-gost/engine.git] / gost_crypt.c

diff --git a/gost_crypt.c b/gost_crypt.c
index 4fac2b7eda5e05a9db0bd6cea7f5ad598a7b6533..c1516d7cc51f1c05284cf13f01a11a70acafca2e 100644 (file)
--- a/gost_crypt.c
+++ b/gost_crypt.c
@@ -213,41 +213,27 @@ GOST_cipher magma_ctr_acpkm_cipher = {
     .ctrl = magma_cipher_ctl,
 };
 
-static EVP_CIPHER *_hidden_magma_ctr_acpkm_omac = NULL;
-const EVP_CIPHER *cipher_magma_ctr_acpkm_omac(void)
-{
-    if (_hidden_magma_ctr_acpkm_omac == NULL
-        && ((_hidden_magma_ctr_acpkm_omac =
-             EVP_CIPHER_meth_new(NID_magma_ctr_acpkm_omac, 1 /* block_size */ ,
-                                 32 /* key_size */ )) == NULL
-            || !EVP_CIPHER_meth_set_iv_length(_hidden_magma_ctr_acpkm_omac, 4)
-            || !EVP_CIPHER_meth_set_flags(_hidden_magma_ctr_acpkm_omac,
-                                          EVP_CIPH_CTR_MODE |
-                                          EVP_CIPH_NO_PADDING |
-                                          EVP_CIPH_CUSTOM_IV |
-                                          EVP_CIPH_RAND_KEY |
-                                          EVP_CIPH_ALWAYS_CALL_INIT |
-                                                                                                                                                                       EVP_CIPH_CUSTOM_COPY |
-                                                                                                                                                                       EVP_CIPH_FLAG_CUSTOM_CIPHER |
-                                                                                                                                                                       EVP_CIPH_FLAG_CIPHER_WITH_MAC)
-            || !EVP_CIPHER_meth_set_init(_hidden_magma_ctr_acpkm_omac, magma_cipher_init_ctr_acpkm_omac)
-            || !EVP_CIPHER_meth_set_do_cipher(_hidden_magma_ctr_acpkm_omac,
-                                              magma_cipher_do_ctr_acpkm_omac)
-            || !EVP_CIPHER_meth_set_cleanup(_hidden_magma_ctr_acpkm_omac,
-                                            gost_cipher_cleanup)
-            || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_magma_ctr_acpkm_omac,
-                                                  sizeof(struct
-                                                         ossl_gost_cipher_ctx))
-            || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_magma_ctr_acpkm_omac,
-                                                    magma_set_asn1_parameters)
-            || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_magma_ctr_acpkm_omac,
-                                                    magma_get_asn1_parameters)
-            || !EVP_CIPHER_meth_set_ctrl(_hidden_magma_ctr_acpkm_omac, magma_cipher_ctl_acpkm_omac))) {
-        EVP_CIPHER_meth_free(_hidden_magma_ctr_acpkm_omac);
-        _hidden_magma_ctr_acpkm_omac = NULL;
-    }
-    return _hidden_magma_ctr_acpkm_omac;
-}
+GOST_cipher magma_ctr_acpkm_omac_cipher = {
+    .nid = NID_magma_ctr_acpkm_omac,
+    .block_size = 1,
+    .key_len = 32,
+    .iv_len = 4,
+    .flags = EVP_CIPH_CTR_MODE |
+        EVP_CIPH_NO_PADDING |
+        EVP_CIPH_CUSTOM_IV |
+        EVP_CIPH_RAND_KEY |
+        EVP_CIPH_ALWAYS_CALL_INIT |
+        EVP_CIPH_CUSTOM_COPY |
+        EVP_CIPH_FLAG_CUSTOM_CIPHER |
+        EVP_CIPH_FLAG_CIPHER_WITH_MAC,
+    .init = magma_cipher_init_ctr_acpkm_omac,
+    .do_cipher = magma_cipher_do_ctr_acpkm_omac,
+    .cleanup = gost_cipher_cleanup,
+    .ctx_size = sizeof(struct ossl_gost_cipher_ctx),
+    .set_asn1_parameters = gost89_set_asn1_parameters,
+    .get_asn1_parameters = gost89_get_asn1_parameters,
+    .ctrl = magma_cipher_ctl_acpkm_omac,
+};
 
 static EVP_CIPHER *_hidden_magma_cbc = NULL;
 const EVP_CIPHER *cipher_magma_cbc(void)