linux/drivers/nvme/target/auth.c

// SPDX-License-Identifier: GPL-2.0
/*
 * NVMe over Fabrics DH-HMAC-CHAP authentication.
 * Copyright (c) 2020 Hannes Reinecke, SUSE Software Solutions.
 * All rights reserved.
 */
#define pr_fmt(fmt) …
#include <linux/module.h>
#include <linux/init.h>
#include <linux/slab.h>
#include <linux/err.h>
#include <crypto/hash.h>
#include <linux/crc32.h>
#include <linux/base64.h>
#include <linux/ctype.h>
#include <linux/random.h>
#include <linux/nvme-auth.h>
#include <asm/unaligned.h>

#include "nvmet.h"

int nvmet_auth_set_key(struct nvmet_host *host, const char *secret,
		       bool set_ctrl)
{ … }

int nvmet_setup_dhgroup(struct nvmet_ctrl *ctrl, u8 dhgroup_id)
{ … }

u8 nvmet_setup_auth(struct nvmet_ctrl *ctrl)
{ … }

void nvmet_auth_sq_free(struct nvmet_sq *sq)
{ … }

void nvmet_destroy_auth(struct nvmet_ctrl *ctrl)
{ … }

bool nvmet_check_auth_status(struct nvmet_req *req)
{ … }

int nvmet_auth_host_hash(struct nvmet_req *req, u8 *response,
			 unsigned int shash_len)
{ … }

int nvmet_auth_ctrl_hash(struct nvmet_req *req, u8 *response,
			 unsigned int shash_len)
{ … }

int nvmet_auth_ctrl_exponential(struct nvmet_req *req,
				u8 *buf, int buf_size)
{ … }

int nvmet_auth_ctrl_sesskey(struct nvmet_req *req,
			    u8 *pkey, int pkey_size)
{ … }