| /* SPDX-License-Identifier: GPL-2.0 */ |
| /* |
| * Copyright (c) 2021 Hannes Reinecke, SUSE Software Solutions |
| */ |
| |
| #ifndef _NVME_AUTH_H |
| #define _NVME_AUTH_H |
| |
| #include <crypto/kpp.h> |
| |
| struct nvme_dhchap_key { |
| u8 *key; |
| size_t len; |
| u8 hash; |
| }; |
| |
| u32 nvme_auth_get_seqnum(void); |
| const char *nvme_auth_dhgroup_name(u8 dhgroup_id); |
| const char *nvme_auth_dhgroup_kpp(u8 dhgroup_id); |
| u8 nvme_auth_dhgroup_id(const char *dhgroup_name); |
| |
| const char *nvme_auth_hmac_name(u8 hmac_id); |
| const char *nvme_auth_digest_name(u8 hmac_id); |
| size_t nvme_auth_hmac_hash_len(u8 hmac_id); |
| u8 nvme_auth_hmac_id(const char *hmac_name); |
| |
| struct nvme_dhchap_key *nvme_auth_extract_key(unsigned char *secret, |
| u8 key_hash); |
| void nvme_auth_free_key(struct nvme_dhchap_key *key); |
| u8 *nvme_auth_transform_key(struct nvme_dhchap_key *key, char *nqn); |
| int nvme_auth_generate_key(u8 *secret, struct nvme_dhchap_key **ret_key); |
| int nvme_auth_augmented_challenge(u8 hmac_id, u8 *skey, size_t skey_len, |
| u8 *challenge, u8 *aug, size_t hlen); |
| int nvme_auth_gen_privkey(struct crypto_kpp *dh_tfm, u8 dh_gid); |
| int nvme_auth_gen_pubkey(struct crypto_kpp *dh_tfm, |
| u8 *host_key, size_t host_key_len); |
| int nvme_auth_gen_shared_secret(struct crypto_kpp *dh_tfm, |
| u8 *ctrl_key, size_t ctrl_key_len, |
| u8 *sess_key, size_t sess_key_len); |
| |
| #endif /* _NVME_AUTH_H */ |
