355 static int get_derived_key(u8 *derived_key, enum derived_key_type key_type,  in get_derived_key()  argument
378 				      derived_key);  in get_derived_key()
453 			       const u8 *derived_key,  in derived_key_encrypt()  argument
466 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_encrypt()
497 	u8 derived_key[HASH_SIZE];  in datablob_hmac_append()  local
501 	ret = get_derived_key(derived_key, AUTH_KEY, master_key, master_keylen);  in datablob_hmac_append()
506 	ret = calc_hmac(digest, derived_key, sizeof derived_key,  in datablob_hmac_append()
511 	memzero_explicit(derived_key, sizeof(derived_key));  in datablob_hmac_append()
520 	u8 derived_key[HASH_SIZE];  in datablob_hmac_verify()  local
526 	ret = get_derived_key(derived_key, AUTH_KEY, master_key, master_keylen);  in datablob_hmac_verify()
537 	ret = calc_hmac(digest, derived_key, sizeof derived_key, p, len);  in datablob_hmac_verify()
550 	memzero_explicit(derived_key, sizeof(derived_key));  in datablob_hmac_verify()
555 			       const u8 *derived_key,  in derived_key_decrypt()  argument
573 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_decrypt()
685 	u8 derived_key[HASH_SIZE];  in encrypted_key_decrypt()  local
724 	ret = get_derived_key(derived_key, ENC_KEY, master_key, master_keylen);  in encrypted_key_decrypt()
728 	ret = derived_key_decrypt(epayload, derived_key, sizeof derived_key);  in encrypted_key_decrypt()
734 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_key_decrypt()
940 	char derived_key[HASH_SIZE];  in encrypted_read()  local
959 	ret = get_derived_key(derived_key, ENC_KEY, master_key, master_keylen);  in encrypted_read()
963 	ret = derived_key_encrypt(epayload, derived_key, sizeof derived_key);  in encrypted_read()
979 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_read()
988 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_read()