46 lines · c
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 08#define CHAP_DIGEST_MD5 59#define CHAP_DIGEST_SHA1 610#define CHAP_DIGEST_SHA256 711#define CHAP_DIGEST_SHA3_256 812 13#define MAX_CHAP_CHALLENGE_LEN 3214#define CHAP_CHALLENGE_STR_LEN 409615#define MAX_RESPONSE_LENGTH 128 /* sufficient for SHA3 256 */16#define MAX_CHAP_N_SIZE 51217 18#define MD5_SIGNATURE_SIZE 16 /* 16 bytes in a MD5 message digest */19#define SHA1_SIGNATURE_SIZE 20 /* 20 bytes in a SHA1 message digest */20#define SHA256_SIGNATURE_SIZE 32 /* 32 bytes in a SHA256 message digest */21#define SHA3_256_SIGNATURE_SIZE 32 /* 32 bytes in a SHA3 256 message digest */22 23#define CHAP_STAGE_CLIENT_A 124#define CHAP_STAGE_SERVER_AIC 225#define CHAP_STAGE_CLIENT_NR 326#define CHAP_STAGE_CLIENT_NRIC 427#define CHAP_STAGE_SERVER_NR 528 29struct iscsi_node_auth;30struct iscsit_conn;31 32extern u32 chap_main_loop(struct iscsit_conn *, struct iscsi_node_auth *, char *, char *,33 int *, int *);34 35struct iscsi_chap {36 unsigned char id;37 unsigned char challenge[MAX_CHAP_CHALLENGE_LEN];38 unsigned int challenge_len;39 unsigned char *digest_name;40 unsigned int digest_size;41 unsigned int authenticate_target;42 unsigned int chap_state;43} ____cacheline_aligned;44 45#endif /*** _ISCSI_CHAP_H_ ***/46