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 #ifndef SIGNATURE_OR_MAC_MSG_H 12 #define SIGNATURE_OR_MAC_MSG_H 13 14 #include <stdbool.h> 15 16 #include "suites.h" 17 18 #include "common/oscore_edhoc_error.h" 19 20 enum sgn_or_mac_op { VERIFY, GENERATE }; 21 22 /** 23 * @brief Computes or verify a signature or a mac. 24 * 25 * @param op VERIFY or GENERATE 26 * @param static_dh True if static DH keys are used. 27 * @param suite The cipher suite. 28 * @param[in] sk Secret key. 29 * @param[in] pk Public key. 30 * @param[in] prk Pseudo random key used in key/iv generation. 31 * @param[in] th Transcript hash. 32 * @param[in] id_cred ID_CRED of the calling party. 33 * @param[in] cred CRED of the calling party. 34 * @param[in] ead External authorization data. 35 * @param mac_label MAC label, see specification. 36 * @param[in,out] sig_or_mac The computed signature or mac. 37 * @return Ok or error. 38 */ 39 enum err 40 signature_or_mac(enum sgn_or_mac_op op, bool static_dh, struct suite *suite, 41 const struct byte_array *sk, const struct byte_array *pk, 42 const struct byte_array *prk, const struct byte_array *c_r, 43 const struct byte_array *th, const struct byte_array *id_cred, 44 const struct byte_array *cred, const struct byte_array *ead, 45 enum info_label mac_label, struct byte_array *sig_or_mac); 46 47 #endif 48
