forked from mirrors/linux
		
	 9d5c0fffee
			
		
	
	
		9d5c0fffee
		
	
	
	
	
		
			
			Add a function to derive the TLS PSK as specified TP8018. Signed-off-by: Hannes Reinecke <hare@kernel.org> Reviewed-by: Sagi Grimberg <sagi@grimberg.me> Signed-off-by: Keith Busch <kbusch@kernel.org>
		
			
				
	
	
		
			51 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			51 lines
		
	
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| /*
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|  * Copyright (c) 2021 Hannes Reinecke, SUSE Software Solutions
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|  */
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| 
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| #ifndef _NVME_AUTH_H
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| #define _NVME_AUTH_H
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| 
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| #include <crypto/kpp.h>
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| 
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| struct nvme_dhchap_key {
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| 	size_t len;
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| 	u8 hash;
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| 	u8 key[];
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| };
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| 
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| u32 nvme_auth_get_seqnum(void);
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| const char *nvme_auth_dhgroup_name(u8 dhgroup_id);
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| const char *nvme_auth_dhgroup_kpp(u8 dhgroup_id);
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| u8 nvme_auth_dhgroup_id(const char *dhgroup_name);
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| 
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| const char *nvme_auth_hmac_name(u8 hmac_id);
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| const char *nvme_auth_digest_name(u8 hmac_id);
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| size_t nvme_auth_hmac_hash_len(u8 hmac_id);
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| u8 nvme_auth_hmac_id(const char *hmac_name);
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| 
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| u32 nvme_auth_key_struct_size(u32 key_len);
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| struct nvme_dhchap_key *nvme_auth_extract_key(unsigned char *secret,
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| 					      u8 key_hash);
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| void nvme_auth_free_key(struct nvme_dhchap_key *key);
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| struct nvme_dhchap_key *nvme_auth_alloc_key(u32 len, u8 hash);
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| struct nvme_dhchap_key *nvme_auth_transform_key(
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| 				struct nvme_dhchap_key *key, char *nqn);
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| int nvme_auth_generate_key(u8 *secret, struct nvme_dhchap_key **ret_key);
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| int nvme_auth_augmented_challenge(u8 hmac_id, u8 *skey, size_t skey_len,
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| 				  u8 *challenge, u8 *aug, size_t hlen);
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| int nvme_auth_gen_privkey(struct crypto_kpp *dh_tfm, u8 dh_gid);
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| int nvme_auth_gen_pubkey(struct crypto_kpp *dh_tfm,
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| 			 u8 *host_key, size_t host_key_len);
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| int nvme_auth_gen_shared_secret(struct crypto_kpp *dh_tfm,
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| 				u8 *ctrl_key, size_t ctrl_key_len,
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| 				u8 *sess_key, size_t sess_key_len);
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| int nvme_auth_generate_psk(u8 hmac_id, u8 *skey, size_t skey_len,
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| 			   u8 *c1, u8 *c2, size_t hash_len,
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| 			   u8 **ret_psk, size_t *ret_len);
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| int nvme_auth_generate_digest(u8 hmac_id, u8 *psk, size_t psk_len,
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| 		char *subsysnqn, char *hostnqn, u8 **ret_digest);
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| int nvme_auth_derive_tls_psk(int hmac_id, u8 *psk, size_t psk_len,
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| 		u8 *psk_digest, u8 **ret_psk);
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| 
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| #endif /* _NVME_AUTH_H */
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