4 #include <linux/types.h>
6 #define CHAP_DIGEST_UNKNOWN 0
7 #define CHAP_DIGEST_MD5 5
8 #define CHAP_DIGEST_SHA 6
10 #define CHAP_CHALLENGE_LENGTH 16
11 #define CHAP_CHALLENGE_STR_LEN 4096
12 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 */
13 #define MAX_CHAP_N_SIZE 512
15 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */
17 #define CHAP_STAGE_CLIENT_A 1
18 #define CHAP_STAGE_SERVER_AIC 2
19 #define CHAP_STAGE_CLIENT_NR 3
20 #define CHAP_STAGE_CLIENT_NRIC 4
21 #define CHAP_STAGE_SERVER_NR 5
23 struct iscsi_node_auth;
26 extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *,
30 unsigned char digest_type;
32 unsigned char challenge[CHAP_CHALLENGE_LENGTH];
33 unsigned int authenticate_target;
34 unsigned int chap_state;
35 } ____cacheline_aligned;
37 #endif /*** _ISCSI_CHAP_H_ ***/