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/*
* $Id$
*
* Digest response calculation as per RFC2617
*
* Copyright (C) 2001-2003 FhG Fokus
*
* This file is part of ser, a free SIP server.
*
* ser is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version
*
* For a license to use the ser software under conditions
* other than those described here, or to purchase support for this
* software, please contact iptel.org by e-mail at the following addresses:
* info@iptel.org
*
* ser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef RFC2617_H
#define RFC2617_H
#include "../../str.h"
#define HASHLEN 16
typedef char HASH[HASHLEN];
#define HASHHEXLEN 32
typedef char HASHHEX[HASHHEXLEN+1];
/*
* Type of algorithm used
*/
typedef enum {
HA_MD5, /* Plain MD5 */
HA_MD5_SESS /* MD5-Session */
} ha_alg_t;
/*
* Convert to hex form
*/
void cvt_hex(HASH Bin, HASHHEX Hex);
/*
* calculate H(A1) as per HTTP Digest spec
*/
typedef void (*calc_HA1_t)(ha_alg_t _alg, /* Type of algorithm */
str* _username, /* username */
str* _realm, /* realm */
str* _password, /* password */
str* _nonce, /* nonce string */
str* _cnonce, /* cnonce */
HASHHEX _sess_key); /* Result will be stored here */
void calc_HA1(ha_alg_t _alg, /* Type of algorithm */
str* _username, /* username */
str* _realm, /* realm */
str* _password, /* password */
str* _nonce, /* nonce string */
str* _cnonce, /* cnonce */
HASHHEX _sess_key); /* Result will be stored here */
/* calculate request-digest/response-digest as per HTTP Digest spec */
typedef void (*calc_response_t)(HASHHEX _ha1, /* H(A1) */
str* _nonce, /* nonce from server */
str* _nc, /* 8 hex digits */
str* _cnonce, /* client nonce */
str* _qop, /* qop-value: "", "auth", "auth-int" */
int _auth_int, /* 1 if auth-int is used */
str* _method, /* method from the request */
str* _uri, /* requested URL */
HASHHEX _hentity, /* H(entity body) if qop="auth-int" */
HASHHEX _response); /* request-digest or response-digest */
void calc_response(HASHHEX _ha1, /* H(A1) */
str* _nonce, /* nonce from server */
str* _nc, /* 8 hex digits */
str* _cnonce, /* client nonce */
str* _qop, /* qop-value: "", "auth", "auth-int" */
int _auth_int, /* 1 if auth-int is used */
str* _method, /* method from the request */
str* _uri, /* requested URL */
HASHHEX _hentity, /* H(entity body) if qop="auth-int" */
HASHHEX _response); /* request-digest or response-digest */
#endif /* RFC2617_H */
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