1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _ISCSI_CHAP_H_
 3#define _ISCSI_CHAP_H_
 4
 5#include <linux/types.h>
 6
 7#define CHAP_DIGEST_UNKNOWN	0
 8#define CHAP_DIGEST_MD5		5
 9#define CHAP_DIGEST_SHA		6
10
11#define CHAP_CHALLENGE_LENGTH	16
12#define CHAP_CHALLENGE_STR_LEN	4096
13#define MAX_RESPONSE_LENGTH	64	/* sufficient for MD5 */
14#define	MAX_CHAP_N_SIZE		512
15
16#define MD5_SIGNATURE_SIZE	16	/* 16 bytes in a MD5 message digest */
17
18#define CHAP_STAGE_CLIENT_A	1
19#define CHAP_STAGE_SERVER_AIC	2
20#define CHAP_STAGE_CLIENT_NR	3
21#define CHAP_STAGE_CLIENT_NRIC	4
22#define CHAP_STAGE_SERVER_NR	5
23
24struct iscsi_node_auth;
25struct iscsi_conn;
26
27extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
28				int *, int *);
29
30struct iscsi_chap {
31	unsigned char	digest_type;
32	unsigned char	id;
33	unsigned char	challenge[CHAP_CHALLENGE_LENGTH];
34	unsigned int	authenticate_target;
35	unsigned int	chap_state;
36} ____cacheline_aligned;
37
38#endif   /*** _ISCSI_CHAP_H_ ***/

 
 1#ifndef _ISCSI_CHAP_H_
 2#define _ISCSI_CHAP_H_
 3
 
 
 4#define CHAP_DIGEST_UNKNOWN	0
 5#define CHAP_DIGEST_MD5		5
 6#define CHAP_DIGEST_SHA		6
 7
 8#define CHAP_CHALLENGE_LENGTH	16
 9#define CHAP_CHALLENGE_STR_LEN	4096
10#define MAX_RESPONSE_LENGTH	64	/* sufficient for MD5 */
11#define	MAX_CHAP_N_SIZE		512
12
13#define MD5_SIGNATURE_SIZE	16	/* 16 bytes in a MD5 message digest */
14
15#define CHAP_STAGE_CLIENT_A	1
16#define CHAP_STAGE_SERVER_AIC	2
17#define CHAP_STAGE_CLIENT_NR	3
18#define CHAP_STAGE_CLIENT_NRIC	4
19#define CHAP_STAGE_SERVER_NR	5
 
 
 
20
21extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
22				int *, int *);
23
24struct iscsi_chap {
25	unsigned char	digest_type;
26	unsigned char	id;
27	unsigned char	challenge[CHAP_CHALLENGE_LENGTH];
28	unsigned int	authenticate_target;
29	unsigned int	chap_state;
30} ____cacheline_aligned;
31
32#endif   /*** _ISCSI_CHAP_H_ ***/