Latest update

2019-07-13 19:13:22 +09:00
parent 9a23f88dc2
commit 2e57f602ae
542 changed files with 17287 additions and 6184 deletions
@@ -46,14 +46,22 @@ static void cmac_free(EVP_MAC_IMPL *cctx)
    }
 }

-static int cmac_copy(EVP_MAC_IMPL *cdst, EVP_MAC_IMPL *csrc)
+static EVP_MAC_IMPL *cmac_dup(const EVP_MAC_IMPL *csrc)
 {
-    if (!CMAC_CTX_copy(cdst->ctx, csrc->ctx))
-        return 0;
+    EVP_MAC_IMPL *cdst = cmac_new();
+
+    if (cdst == NULL)
+        return NULL;
+
+    if (!CMAC_CTX_copy(cdst->ctx, csrc->ctx)) {
+        cmac_free(cdst);
+        return NULL;
+    }

    cdst->tmpengine = csrc->tmpengine;
    cdst->tmpcipher = csrc->tmpcipher;
-    return 1;
+
+    return cdst;
 }

 static size_t cmac_size(EVP_MAC_IMPL *cctx)
@@ -153,7 +161,7 @@ static int cmac_ctrl_str(EVP_MAC_IMPL *cctx, const char *type,
 const EVP_MAC cmac_meth = {
    EVP_MAC_CMAC,
    cmac_new,
-    cmac_copy,
+    cmac_dup,
    cmac_free,
    cmac_size,
    cmac_init,