362 static int get_derived_key(u8 *derived_key, enum derived_key_type key_type,  in get_derived_key()  argument
384 	ret = calc_hash(hash_tfm, derived_key, derived_buf, derived_buf_len);  in get_derived_key()
459 			       const u8 *derived_key,  in derived_key_encrypt()  argument
472 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_encrypt()
503 	u8 derived_key[HASH_SIZE];  in datablob_hmac_append()  local
507 	ret = get_derived_key(derived_key, AUTH_KEY, master_key, master_keylen);  in datablob_hmac_append()
512 	ret = calc_hmac(digest, derived_key, sizeof derived_key,  in datablob_hmac_append()
517 	memzero_explicit(derived_key, sizeof(derived_key));  in datablob_hmac_append()
526 	u8 derived_key[HASH_SIZE];  in datablob_hmac_verify()  local
532 	ret = get_derived_key(derived_key, AUTH_KEY, master_key, master_keylen);  in datablob_hmac_verify()
543 	ret = calc_hmac(digest, derived_key, sizeof derived_key, p, len);  in datablob_hmac_verify()
556 	memzero_explicit(derived_key, sizeof(derived_key));  in datablob_hmac_verify()
561 			       const u8 *derived_key,  in derived_key_decrypt()  argument
579 	req = init_skcipher_req(derived_key, derived_keylen);  in derived_key_decrypt()
664 	u8 derived_key[HASH_SIZE];  in encrypted_key_decrypt()  local
703 	ret = get_derived_key(derived_key, ENC_KEY, master_key, master_keylen);  in encrypted_key_decrypt()
707 	ret = derived_key_decrypt(epayload, derived_key, sizeof derived_key);  in encrypted_key_decrypt()
713 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_key_decrypt()
912 	char derived_key[HASH_SIZE];  in encrypted_read()  local
931 	ret = get_derived_key(derived_key, ENC_KEY, master_key, master_keylen);  in encrypted_read()
935 	ret = derived_key_encrypt(epayload, derived_key, sizeof derived_key);  in encrypted_read()
951 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_read()
961 	memzero_explicit(derived_key, sizeof(derived_key));  in encrypted_read()