153 struct nvme_dhchap_key *nvme_auth_extract_key(unsigned char *secret,  in nvme_auth_extract_key()  argument
160 	size_t allocated_len = strlen(secret);  in nvme_auth_extract_key()
162 	/* Secret might be affixed with a ':' */  in nvme_auth_extract_key()
163 	p = strrchr(secret, ':');  in nvme_auth_extract_key()
165 		allocated_len = p - secret;  in nvme_auth_extract_key()
175 	key_len = base64_decode(secret, allocated_len, key->key);  in nvme_auth_extract_key()
458 int nvme_auth_generate_key(u8 *secret, struct nvme_dhchap_key **ret_key)  in nvme_auth_generate_key()  argument
463 	if (!secret) {  in nvme_auth_generate_key()
468 	if (sscanf(secret, "DHHC-1:%hhd:%*s:", &key_hash) != 1)  in nvme_auth_generate_key()
471 	/* Pass in the secret without the 'DHHC-1:XX:' prefix */  in nvme_auth_generate_key()
472 	key = nvme_auth_extract_key(secret + 10, key_hash);  in nvme_auth_generate_key()