1 /* $NetBSD: string2key.c,v 1.1.1.2 2014/04/24 12:45:27 pettai Exp $ */
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5 * (Royal Institute of Technology, Stockholm, Sweden).
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37 #include <krb5/getarg.h>
45 const char *keytype_str
= "des3-cbc-sha1";
49 struct getargs args
[] = {
50 { "version5", '5', arg_flag
, &version5
, "Output Kerberos v5 string-to-key",
52 { "version4", '4', arg_flag
, &version4
, "Output Kerberos v4 string-to-key",
54 { "afs", 'a', arg_flag
, &afs
, "Output AFS string-to-key", NULL
},
55 { "cell", 'c', arg_string
, &cell
, "AFS cell to use", "cell" },
56 { "password", 'w', arg_string
, &password
, "Password to use", "password" },
57 { "principal",'p', arg_string
, &principal
, "Kerberos v5 principal to use", "principal" },
58 { "keytype", 'k', arg_string
, rk_UNCONST(&keytype_str
), "Keytype", NULL
},
59 { "version", 0, arg_flag
, &version
, "print version", NULL
},
60 { "help", 0, arg_flag
, &help
, NULL
, NULL
}
63 int num_args
= sizeof(args
) / sizeof(args
[0]);
68 arg_printusage (args
, num_args
, NULL
, "password");
73 tokey(krb5_context context
,
84 ret
= krb5_string_to_key_salt(context
, enctype
, pw
, salt
, &key
);
86 krb5_err(context
, 1, ret
, "krb5_string_to_key_salt");
87 ret
= krb5_enctype_to_string(context
, enctype
, &e
);
89 krb5_err(context
, 1, ret
, "krb5_enctype_to_string");
92 for(i
= 0; i
< key
.keyvalue
.length
; i
++)
93 printf("%02x", ((unsigned char*)key
.keyvalue
.data
)[i
]);
95 krb5_free_keyblock_contents(context
, &key
);
100 main(int argc
, char **argv
)
102 krb5_context context
;
103 krb5_principal princ
;
110 optidx
= krb5_program_setup(&context
, argc
, argv
, args
, num_args
, NULL
);
116 print_version (NULL
);
126 if(!version5
&& !version4
&& !afs
)
129 ret
= krb5_string_to_enctype(context
, keytype_str
, &etype
);
131 krb5_err(context
, 1, ret
, "krb5_string_to_enctype");
133 if((etype
!= ETYPE_DES_CBC_CRC
&&
134 etype
!= ETYPE_DES_CBC_MD4
&&
135 etype
!= ETYPE_DES_CBC_MD5
) &&
138 etype
= ETYPE_DES_CBC_CRC
;
140 krb5_errx(context
, 1,
141 "DES is the only valid keytype for AFS and Kerberos 4");
145 if(version5
&& principal
== NULL
){
146 printf("Kerberos v5 principal: ");
147 if(fgets(buf
, sizeof(buf
), stdin
) == NULL
)
149 buf
[strcspn(buf
, "\r\n")] = '\0';
150 principal
= estrdup(buf
);
152 if(afs
&& cell
== NULL
){
153 printf("AFS cell: ");
154 if(fgets(buf
, sizeof(buf
), stdin
) == NULL
)
156 buf
[strcspn(buf
, "\r\n")] = '\0';
161 if(password
== NULL
){
162 if(UI_UTIL_read_pw_string(buf
, sizeof(buf
), "Password: ", 0))
168 krb5_parse_name(context
, principal
, &princ
);
169 krb5_get_pw_salt(context
, princ
, &salt
);
170 tokey(context
, etype
, password
, salt
, "Kerberos 5 (%s)");
171 krb5_free_salt(context
, salt
);
174 salt
.salttype
= KRB5_PW_SALT
;
175 salt
.saltvalue
.length
= 0;
176 salt
.saltvalue
.data
= NULL
;
177 tokey(context
, ETYPE_DES_CBC_MD5
, password
, salt
, "Kerberos 4");
180 salt
.salttype
= KRB5_AFS3_SALT
;
181 salt
.saltvalue
.length
= strlen(cell
);
182 salt
.saltvalue
.data
= cell
;
183 tokey(context
, ETYPE_DES_CBC_MD5
, password
, salt
, "AFS");