349 static int get_derived_key(u8 *derived_key, enum derived_key_type key_type,  in get_derived_key()  argument
372 				      derived_key);  in get_derived_key()
447 			       const u8 *derived_key,  in derived_key_encrypt()  argument
460 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_encrypt()
491 	u8 derived_key[HASH_SIZE];  in datablob_hmac_append()  local
495 	ret = get_derived_key(derived_key, AUTH_KEY, master_key, master_keylen);  in datablob_hmac_append()
500 	ret = calc_hmac(digest, derived_key, sizeof derived_key,  in datablob_hmac_append()
505 	memzero_explicit(derived_key, sizeof(derived_key));  in datablob_hmac_append()
514 	u8 derived_key[HASH_SIZE];  in datablob_hmac_verify()  local
520 	ret = get_derived_key(derived_key, AUTH_KEY, master_key, master_keylen);  in datablob_hmac_verify()
531 	ret = calc_hmac(digest, derived_key, sizeof derived_key, p, len);  in datablob_hmac_verify()
544 	memzero_explicit(derived_key, sizeof(derived_key));  in datablob_hmac_verify()
549 			       const u8 *derived_key,  in derived_key_decrypt()  argument
567 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_decrypt()
659 	u8 derived_key[HASH_SIZE];  in encrypted_key_decrypt()  local
698 	ret = get_derived_key(derived_key, ENC_KEY, master_key, master_keylen);  in encrypted_key_decrypt()
702 	ret = derived_key_decrypt(epayload, derived_key, sizeof derived_key);  in encrypted_key_decrypt()
708 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_key_decrypt()
907 	char derived_key[HASH_SIZE];  in encrypted_read()  local
926 	ret = get_derived_key(derived_key, ENC_KEY, master_key, master_keylen);  in encrypted_read()
930 	ret = derived_key_encrypt(epayload, derived_key, sizeof derived_key);  in encrypted_read()
946 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_read()
955 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_read()