#ifndef _ISCSI_CHAP_H_ #define _ISCSI_CHAP_H_ #include <linux/types.h> #define CHAP_DIGEST_UNKNOWN 0 #define CHAP_DIGEST_MD5 5 #define CHAP_DIGEST_SHA 6 #define CHAP_CHALLENGE_LENGTH 16 #define CHAP_CHALLENGE_STR_LEN 4096 #define MAX_RESPONSE_LENGTH 64 /* sufficient for MD5 */ #define MAX_CHAP_N_SIZE 512 #define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */ #define CHAP_STAGE_CLIENT_A 1 #define CHAP_STAGE_SERVER_AIC 2 #define CHAP_STAGE_CLIENT_NR 3 #define CHAP_STAGE_CLIENT_NRIC 4 #define CHAP_STAGE_SERVER_NR 5 struct iscsi_node_auth; struct iscsi_conn; extern u32 chap_main_loop(struct iscsi_conn *, struct iscsi_node_auth *, char *, char *, int *, int *); struct iscsi_chap { unsigned char digest_type; unsigned char id; unsigned char challenge[CHAP_CHALLENGE_LENGTH]; unsigned int authenticate_target; unsigned int chap_state; } ____cacheline_aligned; #endif /*** _ISCSI_CHAP_H_ ***/