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1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | /* | |
3 | * Copyright (c) 2021 Hannes Reinecke, SUSE Software Solutions | |
4 | */ | |
5 | ||
6 | #ifndef _NVME_AUTH_H | |
7 | #define _NVME_AUTH_H | |
8 | ||
9 | #include <crypto/kpp.h> | |
10 | ||
11 | struct nvme_dhchap_key { | |
12 | u8 *key; | |
13 | size_t len; | |
14 | u8 hash; | |
15 | }; | |
16 | ||
17 | u32 nvme_auth_get_seqnum(void); | |
18 | const char *nvme_auth_dhgroup_name(u8 dhgroup_id); | |
19 | const char *nvme_auth_dhgroup_kpp(u8 dhgroup_id); | |
20 | u8 nvme_auth_dhgroup_id(const char *dhgroup_name); | |
21 | ||
22 | const char *nvme_auth_hmac_name(u8 hmac_id); | |
23 | const char *nvme_auth_digest_name(u8 hmac_id); | |
24 | size_t nvme_auth_hmac_hash_len(u8 hmac_id); | |
25 | u8 nvme_auth_hmac_id(const char *hmac_name); | |
26 | ||
27 | struct nvme_dhchap_key *nvme_auth_extract_key(unsigned char *secret, | |
28 | u8 key_hash); | |
29 | void nvme_auth_free_key(struct nvme_dhchap_key *key); | |
30 | u8 *nvme_auth_transform_key(struct nvme_dhchap_key *key, char *nqn); | |
31 | int nvme_auth_generate_key(u8 *secret, struct nvme_dhchap_key **ret_key); | |
b61775d1 HR |
32 | int nvme_auth_augmented_challenge(u8 hmac_id, u8 *skey, size_t skey_len, |
33 | u8 *challenge, u8 *aug, size_t hlen); | |
34 | int nvme_auth_gen_privkey(struct crypto_kpp *dh_tfm, u8 dh_gid); | |
35 | int nvme_auth_gen_pubkey(struct crypto_kpp *dh_tfm, | |
36 | u8 *host_key, size_t host_key_len); | |
37 | int nvme_auth_gen_shared_secret(struct crypto_kpp *dh_tfm, | |
38 | u8 *ctrl_key, size_t ctrl_key_len, | |
39 | u8 *sess_key, size_t sess_key_len); | |
f50fff73 HR |
40 | |
41 | #endif /* _NVME_AUTH_H */ |