Maintain strict type discipline between the core and providers

[openssl.git] / test / hmactest.c

diff --git a/test/hmactest.c b/test/hmactest.c
index 893e6169b4b0b92feeb23baf835cf75e80ca8f50..babfb0e1a7ef049297c94ce3360d34b9734d3b64 100644 (file)
--- a/test/hmactest.c
+++ b/test/hmactest.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
+ * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
  *
  * Licensed under the Apache License 2.0 (the "License").  You may not use
  * this file except in compliance with the License.  You can obtain a copy
@@ -7,6 +7,12 @@
  * https://www.openssl.org/source/license.html
  */
 
+/*
+ * HMAC low level APIs are deprecated for public use, but still ok for internal
+ * use.
+ */
+#include "internal/deprecated.h"
+
 #include <stdio.h>
 #include <string.h>
 #include <stdlib.h>
@@ -169,6 +175,27 @@ static int test_hmac_run(void)
     if (!TEST_str_eq(p, test[6].digest))
         goto err;
 
+    /* Test reusing a key */
+    if (!TEST_true(HMAC_Init_ex(ctx, NULL, 0, NULL, NULL))
+        || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
+        || !TEST_true(HMAC_Final(ctx, buf, &len)))
+        goto err;
+    p = pt(buf, len);
+    if (!TEST_str_eq(p, test[6].digest))
+        goto err;
+
+    /*
+     * Test reusing a key where the digest is provided again but is the same as
+     * last time
+     */
+    if (!TEST_true(HMAC_Init_ex(ctx, NULL, 0, EVP_sha256(), NULL))
+        || !TEST_true(HMAC_Update(ctx, test[6].data, test[6].data_len))
+        || !TEST_true(HMAC_Final(ctx, buf, &len)))
+        goto err;
+    p = pt(buf, len);
+    if (!TEST_str_eq(p, test[6].digest))
+        goto err;
+
     ret = 1;
 err:
     HMAC_CTX_free(ctx);