2 * Copyright (c) 1997-2003 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. Neither the name of the Institute nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
43 const char *keytype_str = "des3-cbc-sha1";
47 struct getargs args[] = {
48 { "version5", '5', arg_flag, &version5, "Output Kerberos v5 string-to-key",
50 { "version4", '4', arg_flag, &version4, "Output Kerberos v4 string-to-key",
52 { "afs", 'a', arg_flag, &afs, "Output AFS string-to-key", NULL },
53 { "cell", 'c', arg_string, &cell, "AFS cell to use", "cell" },
54 { "password", 'w', arg_string, &password, "Password to use", "password" },
55 { "principal",'p', arg_string, &principal, "Kerberos v5 principal to use", "principal" },
56 { "keytype", 'k', arg_string, rk_UNCONST(&keytype_str), "Keytype", NULL },
57 { "version", 0, arg_flag, &version, "print version", NULL },
58 { "help", 0, arg_flag, &help, NULL, NULL }
61 int num_args = sizeof(args) / sizeof(args[0]);
66 arg_printusage (args, num_args, NULL, "password");
71 tokey(krb5_context context,
82 ret = krb5_string_to_key_salt(context, enctype, pw, salt, &key);
84 krb5_err(context, 1, ret, "krb5_string_to_key_salt");
85 ret = krb5_enctype_to_string(context, enctype, &e);
87 krb5_err(context, 1, ret, "krb5_enctype_to_string");
90 for(i = 0; i < key.keyvalue.length; i++)
91 printf("%02x", ((unsigned char*)key.keyvalue.data)[i]);
93 krb5_free_keyblock_contents(context, &key);
98 main(int argc, char **argv)
100 krb5_context context;
101 krb5_principal princ;
108 optidx = krb5_program_setup(&context, argc, argv, args, num_args, NULL);
114 print_version (NULL);
124 if(!version5 && !version4 && !afs)
127 ret = krb5_string_to_enctype(context, keytype_str, &etype);
129 krb5_err(context, 1, ret, "krb5_string_to_enctype");
131 if((etype != (krb5_enctype)ETYPE_DES_CBC_CRC &&
132 etype != (krb5_enctype)ETYPE_DES_CBC_MD4 &&
133 etype != (krb5_enctype)ETYPE_DES_CBC_MD5) &&
136 etype = ETYPE_DES_CBC_CRC;
138 krb5_errx(context, 1,
139 "DES is the only valid keytype for AFS and Kerberos 4");
143 if(version5 && principal == NULL){
144 printf("Kerberos v5 principal: ");
145 if(fgets(buf, sizeof(buf), stdin) == NULL)
147 buf[strcspn(buf, "\r\n")] = '\0';
148 principal = estrdup(buf);
150 if(afs && cell == NULL){
151 printf("AFS cell: ");
152 if(fgets(buf, sizeof(buf), stdin) == NULL)
154 buf[strcspn(buf, "\r\n")] = '\0';
159 if(password == NULL){
160 if(UI_UTIL_read_pw_string(buf, sizeof(buf), "Password: ", 0))
166 ret = krb5_parse_name(context, principal, &princ);
168 krb5_err(context, 1, ret, "failed to unparse name: %s", principal);
169 ret = krb5_get_pw_salt(context, princ, &salt);
171 krb5_err(context, 1, ret, "failed to get salt for %s", principal);
173 tokey(context, etype, password, salt, "Kerberos 5 (%s)");
174 krb5_free_salt(context, salt);
177 salt.salttype = KRB5_PW_SALT;
178 salt.saltvalue.length = 0;
179 salt.saltvalue.data = NULL;
180 tokey(context, ETYPE_DES_CBC_MD5, password, salt, "Kerberos 4");
183 salt.salttype = KRB5_AFS3_SALT;
184 salt.saltvalue.length = strlen(cell);
185 salt.saltvalue.data = cell;
186 tokey(context, ETYPE_DES_CBC_MD5, password, salt, "AFS");