1 /*	$NetBSD: test_fx.c,v 1.1.1.2 2014/04/24 12:45:51 pettai Exp $	*/
2 
3 /*
4  * Copyright (c) 2009 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  *
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  *
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of KTH nor the names of its contributors may be
20  *    used to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
24  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
27  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
34 
35 #include "krb5_locl.h"
36 #include <err.h>
37 #include <krb5/getarg.h>
38 
39 struct {
40     char *p1;
41     char *pepper1;
42     krb5_enctype e1;
43     char *p2;
44     char *pepper2;
45     krb5_enctype e2;
46     krb5_enctype e3;
47     char *key;
48     size_t len;
49 } cf2[] = {
50     {
51 	"key1", "a", ETYPE_AES128_CTS_HMAC_SHA1_96,
52 	"key2", "b", ETYPE_AES128_CTS_HMAC_SHA1_96,
53 	ETYPE_AES128_CTS_HMAC_SHA1_96,
54 	"\x97\xdf\x97\xe4\xb7\x98\xb2\x9e\xb3\x1e\xd7\x28\x02\x87\xa9\x2a",
55 	16
56     },
57     {
58 	"key1", "a", ETYPE_AES256_CTS_HMAC_SHA1_96,
59 	"key2", "b", ETYPE_AES256_CTS_HMAC_SHA1_96,
60 	ETYPE_AES256_CTS_HMAC_SHA1_96,
61 	"\x4d\x6c\xa4\xe6\x29\x78\x5c\x1f\x01\xba\xf5\x5e\x2e\x54\x85\x66"
62 	"\xb9\x61\x7a\xe3\xa9\x68\x68\xc3\x37\xcb\x93\xb5\xe7\x2b\x1c\x7b",
63 	32
64     },
65     {
66 	"key1", "a", ETYPE_AES128_CTS_HMAC_SHA1_96,
67 	"key2", "b", ETYPE_AES128_CTS_HMAC_SHA1_96,
68 	ETYPE_AES256_CTS_HMAC_SHA1_96,
69 	"\x97\xdf\x97\xe4\xb7\x98\xb2\x9e\xb3\x1e\xd7\x28\x2\x87\xa9\x2a"
70 	"\x1\x96\xfa\xf2\x44\xf8\x11\x20\xc2\x1c\x51\x17\xb3\xe6\xeb\x98",
71 	32
72     },
73     {
74 	"key1", "a", ETYPE_AES256_CTS_HMAC_SHA1_96,
75 	"key2", "b", ETYPE_AES256_CTS_HMAC_SHA1_96,
76 	ETYPE_AES128_CTS_HMAC_SHA1_96,
77 	"\x4d\x6c\xa4\xe6\x29\x78\x5c\x1f\x01\xba\xf5\x5e\x2e\x54\x85\x66",
78 	16
79     },
80     {
81 	"key1", "a", ETYPE_AES128_CTS_HMAC_SHA1_96,
82 	"key2", "b", ETYPE_AES256_CTS_HMAC_SHA1_96,
83 	ETYPE_AES256_CTS_HMAC_SHA1_96,
84 	"\x88\xbd\xb2\xa9\xf\x3e\x52\x5a\xb0\x5f\x68\xc5\x43\x9a\x4d\x5e"
85 	"\x9c\x2b\xfd\x2b\x02\x24\xde\x39\xb5\x82\xf4\xbb\x05\xfe\x2\x2e",
86 	32
87     }
88 };
89 
90 
91 static void
test_cf2(krb5_context context)92 test_cf2(krb5_context context)
93 {
94     krb5_error_code ret;
95     krb5_data pw, p1, p2;
96     krb5_salt salt;
97     krb5_keyblock k1, k2, k3;
98     krb5_crypto c1, c2;
99     unsigned int i;
100 
101     for (i = 0; i < sizeof(cf2)/sizeof(cf2[0]); i++) {
102 	pw.data = cf2[i].p1;
103 	pw.length = strlen(cf2[i].p1);
104 	salt.salttype = (krb5_salttype)KRB5_PADATA_PW_SALT;
105 	salt.saltvalue.data = cf2[i].p1;
106 	salt.saltvalue.length = strlen(cf2[i].p1);
107 
108 	ret = krb5_string_to_key_data_salt(context,
109 					   cf2[i].e1,
110 					   pw,
111 					   salt,
112 					   &k1);
113 	if (ret)
114 	    krb5_err(context, 1, ret, "krb5_string_to_key_data_salt");
115 
116 	ret = krb5_crypto_init(context, &k1, 0, &c1);
117 	if (ret)
118 	    krb5_err(context, 1, ret, "krb5_crypto_init");
119 
120 	pw.data = cf2[i].p2;
121 	pw.length = strlen(cf2[i].p2);
122 	salt.saltvalue.data = cf2[i].p2;
123 	salt.saltvalue.length = strlen(cf2[i].p2);
124 
125 	ret = krb5_string_to_key_data_salt(context,
126 					   cf2[i].e2,
127 					   pw,
128 					   salt,
129 					   &k2);
130 	if (ret)
131 	    krb5_err(context, 1, ret, "krb5_string_to_key_data_salt");
132 
133 	ret = krb5_crypto_init(context, &k2, 0, &c2);
134 	if (ret)
135 	    krb5_err(context, 1, ret, "krb5_crypto_init");
136 
137 
138 	p1.data = cf2[i].pepper1;
139 	p1.length = strlen(cf2[i].pepper1);
140 
141 	p2.data = cf2[i].pepper2;
142 	p2.length = strlen(cf2[i].pepper2);
143 
144 	ret = krb5_crypto_fx_cf2(context, c1, c2, &p1, &p2, cf2[i].e3, &k3);
145 	if (ret)
146 	    krb5_err(context, 1, ret, "krb5_crypto_fx_cf2");
147 
148 	if (k3.keytype != cf2[i].e3)
149 	    krb5_errx(context, 1, "length not right");
150 	if (k3.keyvalue.length != cf2[i].len ||
151 	    memcmp(k3.keyvalue.data, cf2[i].key, cf2[i].len) != 0)
152 	    krb5_errx(context, 1, "key not same");
153 
154 	krb5_crypto_destroy(context, c1);
155 	krb5_crypto_destroy(context, c2);
156 
157 	krb5_free_keyblock_contents(context, &k1);
158 	krb5_free_keyblock_contents(context, &k2);
159 	krb5_free_keyblock_contents(context, &k3);
160     }
161 }
162 
163 static int version_flag = 0;
164 static int help_flag	= 0;
165 
166 static struct getargs args[] = {
167     {"version",	0,	arg_flag,	&version_flag,
168      "print version", NULL },
169     {"help",	0,	arg_flag,	&help_flag,
170      NULL, NULL }
171 };
172 
173 static void
usage(int ret)174 usage (int ret)
175 {
176     arg_printusage (args,
177 		    sizeof(args)/sizeof(*args),
178 		    NULL,
179 		    "");
180     exit (ret);
181 }
182 
183 int
main(int argc,char ** argv)184 main(int argc, char **argv)
185 {
186     krb5_context context;
187     krb5_error_code ret;
188     int optidx = 0;
189 
190     setprogname(argv[0]);
191 
192     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
193 	usage(1);
194 
195     if (help_flag)
196 	usage (0);
197 
198     if(version_flag){
199 	print_version(NULL);
200 	exit(0);
201     }
202 
203     ret = krb5_init_context(&context);
204     if (ret)
205 	errx (1, "krb5_init_context failed: %d", ret);
206 
207     test_cf2(context);
208 
209     krb5_free_context(context);
210 
211     return 0;
212 }
213