OMACs implementation. Unfinished.

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

diff --git a/gost_eng.c b/gost_eng.c
index 0a2af555127552af0b50aa7a80627733553cecb7..0cef2faf00320f1edf20cbfc7efba370f667502b 100644 (file)
--- a/gost_eng.c
+++ b/gost_eng.c
@@ -47,11 +47,12 @@ static int gost_cipher_nids[] = {
         NID_grasshopper_cfb,
         NID_grasshopper_ofb,
         NID_grasshopper_ctr,
+        NID_magma_cbc,
         0
 };
 
 static int gost_digest_nids(const int** nids) {
-    static int digest_nids[6] = {0, 0, 0, 0, 0, 0};
+    static int digest_nids[8] = {0, 0, 0, 0, 0, 0, 0, 0};
     static int pos = 0;
     static int init = 0;
 
@@ -67,6 +68,12 @@ static int gost_digest_nids(const int** nids) {
             digest_nids[pos++] = EVP_MD_type(md);
         if ((md = imit_gost_cp_12()) != NULL)
             digest_nids[pos++] = EVP_MD_type(md);
+        if ((md = magma_omac()) != NULL)
+            digest_nids[pos++] = EVP_MD_type(md);
+        if ((md = grasshopper_omac()) != NULL)
+            digest_nids[pos++] = EVP_MD_type(md);
+
+
         digest_nids[pos] = 0;
         init = 1;
     }
@@ -80,18 +87,22 @@ static int gost_pkey_meth_nids[] = {
         NID_id_GostR3410_2012_256,
         NID_id_GostR3410_2012_512,
         NID_gost_mac_12,
+        NID_magma_mac,
+        NID_grasshopper_mac,
         0
 };
 
 static EVP_PKEY_METHOD* pmeth_GostR3410_2001 = NULL,
         * pmeth_GostR3410_2012_256 = NULL,
         * pmeth_GostR3410_2012_512 = NULL,
-        * pmeth_Gost28147_MAC = NULL, * pmeth_Gost28147_MAC_12 = NULL;
+        * pmeth_Gost28147_MAC = NULL, * pmeth_Gost28147_MAC_12 = NULL,
+        * pmeth_magma_mac = NULL,  * pmeth_grasshopper_mac = NULL;
 
 static EVP_PKEY_ASN1_METHOD* ameth_GostR3410_2001 = NULL,
         * ameth_GostR3410_2012_256 = NULL,
         * ameth_GostR3410_2012_512 = NULL,
-        * ameth_Gost28147_MAC = NULL, * ameth_Gost28147_MAC_12 = NULL;
+        * ameth_Gost28147_MAC = NULL, * ameth_Gost28147_MAC_12 = NULL,
+        * ameth_magma_mac = NULL,  * ameth_grasshopper_mac = NULL;
 
 static int gost_engine_init(ENGINE* e) {
     return 1;
@@ -102,32 +113,38 @@ static int gost_engine_finish(ENGINE* e) {
 }
 
 static int gost_engine_destroy(ENGINE* e) {
-    digest_gost_destroy();
-    digest_gost2012_256_destroy();
-    digest_gost2012_512_destroy();
-
-    imit_gost_cpa_destroy();
-    imit_gost_cp_12_destroy();
-
-    cipher_gost_destroy();
-
-    gost_param_free();
-
-    pmeth_GostR3410_2001 = NULL;
-    pmeth_Gost28147_MAC = NULL;
-    pmeth_GostR3410_2012_256 = NULL;
-    pmeth_GostR3410_2012_512 = NULL;
-    pmeth_Gost28147_MAC_12 = NULL;
-
-    ameth_GostR3410_2001 = NULL;
-    ameth_Gost28147_MAC = NULL;
-    ameth_GostR3410_2012_256 = NULL;
-    ameth_GostR3410_2012_512 = NULL;
-    ameth_Gost28147_MAC_12 = NULL;
-
-       ERR_unload_GOST_strings();
-       
-    return 1;
+  digest_gost_destroy();
+  digest_gost2012_256_destroy();
+  digest_gost2012_512_destroy();
+
+  imit_gost_cpa_destroy();
+  imit_gost_cp_12_destroy();
+  magma_omac_destroy();
+  grasshopper_omac_destroy();
+
+  cipher_gost_destroy();
+
+  gost_param_free();
+
+  pmeth_GostR3410_2001 = NULL;
+  pmeth_Gost28147_MAC = NULL;
+  pmeth_GostR3410_2012_256 = NULL;
+  pmeth_GostR3410_2012_512 = NULL;
+  pmeth_Gost28147_MAC_12 = NULL;
+  pmeth_magma_mac = NULL;
+  pmeth_grasshopper_mac = NULL;
+
+  ameth_GostR3410_2001 = NULL;
+  ameth_Gost28147_MAC = NULL;
+  ameth_GostR3410_2012_256 = NULL;
+  ameth_GostR3410_2012_512 = NULL;
+  ameth_Gost28147_MAC_12 = NULL;
+  ameth_magma_mac = NULL;
+  ameth_grasshopper_mac = NULL;
+
+  ERR_unload_GOST_strings();
+
+  return 1;
 }
 
 static int bind_gost(ENGINE* e, const char* id) {
@@ -196,6 +213,12 @@ static int bind_gost(ENGINE* e, const char* id) {
                              "GOST-MAC-12",
                              "GOST 28147-89 MAC with 2012 params"))
         goto end;
+    if (!register_ameth_gost(NID_magma_mac, &ameth_magma_mac,
+                             "MAGMA-OMAC", "GOST R 34.13-2015 Magma MAC"))
+        goto end;
+    if (!register_ameth_gost(NID_grasshopper_mac, &ameth_grasshopper_mac,
+                             "GRASSHOPPER-OMAC", "GOST R 34.13-2015 Grasshopper MAC"))
+        goto end;
 
     if (!register_pmeth_gost(NID_id_GostR3410_2001, &pmeth_GostR3410_2001, 0))
         goto end;
@@ -211,6 +234,10 @@ static int bind_gost(ENGINE* e, const char* id) {
         goto end;
     if (!register_pmeth_gost(NID_gost_mac_12, &pmeth_Gost28147_MAC_12, 0))
         goto end;
+    if (!register_pmeth_gost(NID_magma_mac, &pmeth_magma_mac, 0))
+        goto end;
+    if (!register_pmeth_gost(NID_grasshopper_mac, &pmeth_grasshopper_mac, 0))
+        goto end;
     if (!ENGINE_register_ciphers(e)
         || !ENGINE_register_digests(e)
         || !ENGINE_register_pkey_meths(e)
@@ -263,6 +290,10 @@ static int gost_digests(ENGINE* e, const EVP_MD** digest,
         *digest = digest_gost2012_512();
     } else if (nid == NID_gost_mac_12) {
         *digest = imit_gost_cp_12();
+    } else if (nid == NID_magma_mac) {
+        *digest = magma_omac();
+    } else if (nid == NID_grasshopper_mac) {
+        *digest = grasshopper_omac();
     } else {
         ok = 0;
         *digest = NULL;
@@ -296,6 +327,8 @@ static int gost_ciphers(ENGINE* e, const EVP_CIPHER** cipher,
         *cipher = cipher_gost_grasshopper_ofb();
     } else if (nid == NID_grasshopper_ctr) {
         *cipher = cipher_gost_grasshopper_ctr();
+    } else if (nid == NID_magma_cbc) {
+        *cipher = cipher_magma_cbc();
     } else {
         ok = 0;
         *cipher = NULL;
@@ -326,6 +359,12 @@ static int gost_pkey_meths(ENGINE* e, EVP_PKEY_METHOD** pmeth,
         case NID_gost_mac_12:
             *pmeth = pmeth_Gost28147_MAC_12;
             return 1;
+        case NID_magma_mac:
+            *pmeth = pmeth_magma_mac;
+            return 1;
+        case NID_grasshopper_mac:
+            *pmeth = pmeth_grasshopper_mac;
+            return 1;
 
         default:;
     }
@@ -357,6 +396,12 @@ static int gost_pkey_asn1_meths(ENGINE* e, EVP_PKEY_ASN1_METHOD** ameth,
         case NID_gost_mac_12:
             *ameth = ameth_Gost28147_MAC_12;
             return 1;
+        case NID_magma_mac:
+            *ameth = ameth_magma_mac;
+            return 1;
+        case NID_grasshopper_mac:
+            *ameth = ameth_grasshopper_mac;
+            return 1;
 
         default:;
     }