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37 RCSID("$Id: string2key.c,v 1.19 2002/04/18 10:18:07 joda Exp $");
45 const char *keytype_str = "des-cbc-md5";
49 struct getargs args[] = {
50 { "version5", '5', arg_flag, &version5, "Output Kerberos v5 string-to-key" },
51 { "version4", '4', arg_flag, &version4, "Output Kerberos v4 string-to-key" },
52 { "afs", 'a', arg_flag, &afs, "Output AFS string-to-key" },
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, &keytype_str, "Keytype" },
57 { "version", 0, arg_flag, &version, "print version" },
58 { "help", 0, arg_flag, &help, NULL }
61 int num_args = sizeof(args) / sizeof(args[0]);
66 arg_printusage (args, num_args, NULL, "password");
71 tokey(krb5_context context,
79 krb5_string_to_key_salt(context, enctype, password, salt, &key);
80 printf("%s: ", label);
81 for(i = 0; i < key.keyvalue.length; i++)
82 printf("%02x", ((unsigned char*)key.keyvalue.data)[i]);
84 krb5_free_keyblock_contents(context, &key);
88 main(int argc, char **argv)
98 optind = krb5_program_setup(&context, argc, argv, args, num_args, NULL);
104 print_version (NULL);
114 if(!version5 && !version4 && !afs)
117 ret = krb5_string_to_enctype(context, keytype_str, &etype);
120 krb5_keytype keytype;
121 ret = krb5_string_to_keytype(context, keytype_str, &keytype);
122 ret = krb5_keytype_to_enctype(context, keytype, &etype);
126 krb5_err(context, 1, ret, "%s", keytype_str);
128 if((etype != ETYPE_DES_CBC_CRC &&
129 etype != ETYPE_DES_CBC_MD4 &&
130 etype != ETYPE_DES_CBC_MD5) &&
132 krb5_errx(context, 1,
133 "DES is the only valid keytype for AFS and Kerberos 4");
136 if(version5 && principal == NULL){
137 printf("Kerberos v5 principal: ");
138 if(fgets(buf, sizeof(buf), stdin) == NULL)
140 if(buf[strlen(buf) - 1] == '\n')
141 buf[strlen(buf) - 1] = '\0';
142 principal = estrdup(buf);
144 if(afs && cell == NULL){
145 printf("AFS cell: ");
146 if(fgets(buf, sizeof(buf), stdin) == NULL)
148 if(buf[strlen(buf) - 1] == '\n')
149 buf[strlen(buf) - 1] = '\0';
154 if(password == NULL){
155 if(des_read_pw_string(buf, sizeof(buf), "Password: ", 0))
161 krb5_parse_name(context, principal, &princ);
162 krb5_get_pw_salt(context, princ, &salt);
163 tokey(context, etype, password, salt, "Kerberos v5 key");
164 krb5_free_salt(context, salt);
167 salt.salttype = KRB5_PW_SALT;
168 salt.saltvalue.length = 0;
169 salt.saltvalue.data = NULL;
170 tokey(context, ETYPE_DES_CBC_MD5, password, salt, "Kerberos v4 key");
173 salt.salttype = KRB5_AFS3_SALT;
174 salt.saltvalue.length = strlen(cell);
175 salt.saltvalue.data = cell;
176 tokey(context, ETYPE_DES_CBC_MD5, password, salt, "AFS key");