1 /*
2    Copyright (c) 2021 Fraunhofer AISEC. See the COPYRIGHT
3    file at the top-level directory of this distribution.
4 
5    Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6    http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7    <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8    option. This file may not be copied, modified, or distributed
9    except according to those terms.
10 */
11 
12 #ifndef SUPPORTED_ALGORITHM_H
13 #define SUPPORTED_ALGORITHM_H
14 
15 /*default HKDF SHA256*/
16 enum hkdf {
17 	OSCORE_SHA_256,
18 };
19 
20 enum AEAD_algorithm {
21 	//AES-CCM mode 128-bit key, 64-bit tag, 13-byte nonce
22 	OSCORE_AES_CCM_16_64_128 = 10,
23 };
24 
25 #define AUTH_TAG_LEN 8
26 #define NONCE_LEN 13
27 #define COMMON_IV_LEN 13
28 #define MASTER_SECRET_LEN_ 16
29 #define RECIPIENT_ID_BUFF_LEN 8
30 #define SENDER_KEY_LEN_ MASTER_SECRET_LEN_
31 #define RECIPIENT_KEY_LEN_ MASTER_SECRET_LEN_
32 
33 #endif
34