From a83755aac8df405ecc99a7018fa8e74be9dd6513 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Tue, 10 Jan 2006 05:48:43 +0000
Subject: [PATCH] Simple regression test for HMAC.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@16510 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/des/test_hmac.c | 81 +++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 lib/des/test_hmac.c

diff --git a/lib/des/test_hmac.c b/lib/des/test_hmac.c
new file mode 100644
index 000000000..f5813861f
--- /dev/null
+++ b/lib/des/test_hmac.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2006 Kungliga Tekniska Högskolan
+ * (Royal Institute of Technology, Stockholm, Sweden). 
+ * All rights reserved. 
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met: 
+ *
+ * 1. Redistributions of source code must retain the above copyright 
+ *    notice, this list of conditions and the following disclaimer. 
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright 
+ *    notice, this list of conditions and the following disclaimer in the 
+ *    documentation and/or other materials provided with the distribution. 
+ *
+ * 3. Neither the name of the Institute nor the names of its contributors 
+ *    may be used to endorse or promote products derived from this software 
+ *    without specific prior written permission. 
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND 
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE 
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 
+ * SUCH DAMAGE. 
+ */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#ifdef RCSID
+RCSID("$Id$");
+#endif
+
+#include <sys/types.h>
+#include <limits.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <hmac.h>
+#include <evp.h>
+
+int
+main(int argc, char **argv)
+{
+    unsigned char buf[4] = { 0, 0, 0, 0 };
+    char hmackey[] = "hello-world";
+    size_t hmackey_size = sizeof(hmackey);
+    unsigned int hmaclen;
+    unsigned char hmac[EVP_MAX_MD_SIZE];
+    HMAC_CTX c;
+
+    char answer[20] = "\x2c\xfa\x32\xb7\x2b\x8a\xf6\xdf\xcf\xda"
+	              "\x6f\xd1\x52\x4d\x54\x58\x73\x0f\xf3\x24";
+
+    HMAC_CTX_init(&c);
+    HMAC_Init_ex(&c, hmackey, hmackey_size, EVP_sha1(), NULL);
+    HMAC_Update(&c, buf, sizeof(buf));
+    HMAC_Final(&c, hmac, &hmaclen);
+    HMAC_CTX_cleanup(&c);
+
+    if (hmaclen != 20) {
+	printf("hmaclen = %d\n", (int)hmaclen);
+	return 1;
+    }
+
+    if (memcmp(hmac, answer, hmaclen) != 0) {
+	printf("wrong answer\n");
+	return 1;
+    }
+	
+    return 0;
+}