OpenVPN
httpdigest.h
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1 /*
2  * OpenVPN -- An application to securely tunnel IP networks
3  * over a single TCP/UDP port, with support for SSL/TLS-based
4  * session authentication and key exchange,
5  * packet encryption, packet authentication, and
6  * packet compression.
7  *
8  * Copyright (C) 2002-2018 OpenVPN Inc <sales@openvpn.net>
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License version 2
12  * as published by the Free Software Foundation.
13  *
14  * This program is distributed in the hope that it will be useful,
15  * but WITHOUT ANY WARRANTY; without even the implied warranty of
16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17  * GNU General Public License for more details.
18  *
19  * You should have received a copy of the GNU General Public License along
20  * with this program; if not, write to the Free Software Foundation, Inc.,
21  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
22  */
23 
24 #if PROXY_DIGEST_AUTH
25 
26 #define HASHLEN 16
27 typedef unsigned char HASH[HASHLEN];
28 #define HASHHEXLEN 32
29 typedef unsigned char HASHHEX[HASHHEXLEN+1];
30 #undef IN
31 #undef OUT
32 #define IN const
33 #define OUT
34 
35 /* calculate H(A1) as per HTTP Digest spec */
36 void DigestCalcHA1(
37  IN char *pszAlg,
38  IN char *pszUserName,
39  IN char *pszRealm,
40  IN char *pszPassword,
41  IN char *pszNonce,
42  IN char *pszCNonce,
43  OUT HASHHEX SessionKey
44  );
45 
46 /* calculate request-digest/response-digest as per HTTP Digest spec */
48  IN HASHHEX HA1, /* H(A1) */
49  IN char *pszNonce, /* nonce from server */
50  IN char *pszNonceCount, /* 8 hex digits */
51  IN char *pszCNonce, /* client nonce */
52  IN char *pszQop, /* qop-value: "", "auth", "auth-int" */
53  IN char *pszMethod, /* method from the request */
54  IN char *pszDigestUri, /* requested URL */
55  IN HASHHEX HEntity, /* H(entity body) if qop="auth-int" */
56  OUT HASHHEX Response /* request-digest or response-digest */
57  );
58 
59 #endif /* if PROXY_DIGEST_AUTH */
void DigestCalcHA1(IN char *pszAlg, IN char *pszUserName, IN char *pszRealm, IN char *pszPassword, IN char *pszNonce, IN char *pszCNonce, OUT HASHHEX SessionKey)
Definition: httpdigest.c:72
void DigestCalcResponse(IN HASHHEX HA1, IN char *pszNonce, IN char *pszNonceCount, IN char *pszCNonce, IN char *pszQop, IN char *pszMethod, IN char *pszDigestUri, IN HASHHEX HEntity, OUT HASHHEX Response)
Definition: httpdigest.c:110