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 OSCORE_COSE_H 13 #define OSCORE_COSE_H 14 15 #include "common/byte_array.h" 16 #include "common/oscore_edhoc_error.h" 17 18 /** 19 * @brief Decrypt the ciphertext 20 * @param in_ciphertext: input ciphertext to be decrypted 21 * @param out_plaintext: output plaintext 22 * @param nonce the nonce 23 * @param aad the aad 24 * @param recipient_key the recipient key 25 * @return err 26 */ 27 enum err oscore_cose_decrypt(struct byte_array *in_ciphertext, 28 struct byte_array *out_plaintext, 29 struct byte_array *nonce, struct byte_array *aad, 30 struct byte_array *recipient_key); 31 32 /** 33 * @brief Encrypt the plaintext 34 * @param in_plaintext: input plaintext to be encrypted 35 * @param out_ciphertext: output ciphertext with authentication tag (8 bytes) 36 * @param nonce the nonce 37 * @param sender_aad the aad 38 * @param key the sender key 39 * @return err 40 */ 41 enum err oscore_cose_encrypt(struct byte_array *in_plaintext, 42 struct byte_array *out_ciphertext, 43 struct byte_array *nonce, 44 struct byte_array *sender_aad, 45 struct byte_array *key); 46 #endif 47
