LXR linux/drivers/target/iscsi/iscsi_target

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