From 1446ab38006af2437f29a0f45ff0bbaa7e029c9b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Love=20H=C3=B6rnquist=20=C3=85strand?= <lha@kth.se>
Date: Tue, 23 Jan 2007 20:38:56 +0000
Subject: [PATCH] Basic test of prf.

git-svn-id: svn://svn.h5l.se/heimdal/trunk/heimdal@20043 ec53bebd-3082-4978-b11e-865c3cabbd6b
---
 lib/krb5/Makefile.am |   1 +
 lib/krb5/test_prf.c  | 100 +++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 101 insertions(+)
 create mode 100644 lib/krb5/test_prf.c

diff --git a/lib/krb5/Makefile.am b/lib/krb5/Makefile.am
index 86db7d050..7ab4ce14f 100644
--- a/lib/krb5/Makefile.am
+++ b/lib/krb5/Makefile.am
@@ -25,6 +25,7 @@ TESTS =						\
 	test_addr				\
 	test_cc					\
 	test_config				\
+	test_prf				\
 	test_store				\
 	test_crypto_wrapping			\
 	test_keytab				\
diff --git a/lib/krb5/test_prf.c b/lib/krb5/test_prf.c
new file mode 100644
index 000000000..3ae80b496
--- /dev/null
+++ b/lib/krb5/test_prf.c
@@ -0,0 +1,100 @@
+/*
+ * Copyright (c) 2007 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 KTH 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 KTH AND ITS 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 KTH OR ITS 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.
+ */
+
+#include "krb5_locl.h"
+
+RCSID("$Id$");
+
+#include <hex.h>
+#include <err.h>
+
+/*
+ * key: string2key(aes256, "testkey", "testkey", default_params)
+ * input: unhex(1122334455667788)
+ * output: 58b594b8a61df6e9439b7baa991ff5c1
+ * 
+ * key: string2key(aes128, "testkey", "testkey", default_params)
+ * input: unhex(1122334455667788)
+ * output: ffa2f823aa7f83a8ce3c5fb730587129
+ */
+
+int
+main(int argc, char **argv)
+{
+    krb5_context context;
+    krb5_error_code ret;
+    krb5_keyblock key;
+    krb5_crypto crypto;
+    size_t length;
+    krb5_data input, output, output2;
+    krb5_enctype etype = ETYPE_AES256_CTS_HMAC_SHA1_96;
+
+    ret = krb5_init_context(&context);
+    if (ret)
+	errx(1, "krb5_init_context %d", ret);
+
+    ret = krb5_generate_random_keyblock(context, etype, &key);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_generate_random_keyblock");
+
+    ret = krb5_crypto_prf_length(context, etype, &length);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_crypto_prf_length");
+
+    ret = krb5_crypto_init(context, &key, 0, &crypto);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_crypto_init");
+
+    input.data = rk_UNCONST("foo");
+    input.length = 3;
+
+    ret = krb5_crypto_prf(context, crypto, &input, &output);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_crypto_prf");
+
+    ret = krb5_crypto_prf(context, crypto, &input, &output2);
+    if (ret)
+	krb5_err(context, 1, ret, "krb5_crypto_prf");
+
+    if (krb5_data_cmp(&output, &output2) != 0)
+	krb5_errx(context, 1, "krb5_data_cmp");
+
+    krb5_data_free(&output);
+    krb5_data_free(&output2);
+
+    krb5_crypto_destroy(context, crypto);
+    
+    krb5_free_context(context);
+
+    return 0;
+}