2 * Copyright (c) 1997 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * 3. All advertising materials mentioning features or use of this software
18 * must display the following acknowledgement:
19 * This product includes software developed by Kungliga Tekniska
20 * Högskolan and its contributors.
22 * 4. Neither the name of the Institute nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
26 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 struct getargs args[] = {
54 { "version5", '5', arg_flag, &version5, "Output Kerberos v5 string-to-key" },
55 { "version4", '4', arg_flag, &version4, "Output Kerberos v4 string-to-key" },
57 { "afs", 'a', arg_flag, &afs, "Output AFS string-to-key" },
58 { "cell", 'c', arg_string, &cell, "AFS cell to use", "cell" },
60 { "password", 'w', arg_string, &password, "Password to use", "password" },
61 { "principal",'p', arg_string, &principal, "Kerberos v5 principal to use", "principal" },
62 { "version", 0, arg_flag, &version, "print version" },
63 { "help", 0, arg_flag, &help, NULL }
66 int num_args = sizeof(args) / sizeof(args[0]);
71 arg_printusage (args, num_args, "password");
75 int main(int argc, char **argv)
85 set_progname(argv[0]);
87 if(getarg(args, num_args, argc, argv, &optind))
94 fprintf(stderr, "string2key (%s-%s)\n", PACKAGE, VERSION);
97 if(version5 && principal == NULL){
98 printf("Kerberos v5 principal: ");
99 fgets(buf, sizeof(buf), stdin);
100 buf[strlen(buf) - 1] = 0;
101 principal = strdup(buf);
104 if(afs && cell == NULL){
105 printf("AFS cell: ");
106 fgets(buf, sizeof(buf), stdin);
107 buf[strlen(buf) - 1] = 0;
112 password = argv[optind];
113 if(password == NULL){
114 des_read_pw_string(buf, sizeof(buf), "Password: ", 0);
119 krb5_init_context(&context);
120 krb5_parse_name(context, principal, &princ);
123 krb5_get_salt(princ, &salt);
124 krb5_string_to_key(password, &salt, &key);
125 printf("Kerberos v5 key: ");
126 for(i = 0; i < key.keyvalue.length; i++)
127 printf("%02x", ((unsigned char*)key.keyvalue.data)[i]);
132 des_string_to_key(password, &key);
133 printf("Kerberos v4 key: ");
134 for(i = 0; i < 8; i++)
135 printf("%02x", ((unsigned char*)key)[i]);
141 afs_string_to_key(password, cell, &key);
143 for(i = 0; i < 8; i++)
144 printf("%02x", ((unsigned char*)key)[i]);