1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2021 Stormshield. 5 * Copyright (c) 2021 Semihalf. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 17 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 18 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 19 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 21 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 25 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28 #ifndef __OSSL_CIPHER_H__ 29 #define __OSSL_CIPHER_H__ 30 31 struct ossl_session_cipher; 32 struct cryptop; 33 struct crypto_session_params; 34 35 typedef int (ossl_cipher_setkey_t)(const unsigned char*, int, void*); 36 typedef int (ossl_cipher_process_t)(struct ossl_session_cipher*, struct cryptop*, 37 const struct crypto_session_params*); 38 typedef void (ossl_cipher_encrypt_t)(const unsigned char*, unsigned char*, size_t, 39 const void*, unsigned char*, int); 40 41 ossl_cipher_encrypt_t ossl_aes_cbc_encrypt; 42 43 struct ossl_cipher { 44 int type; 45 uint16_t blocksize; 46 uint16_t ivsize; 47 48 ossl_cipher_setkey_t *set_encrypt_key; 49 ossl_cipher_setkey_t *set_decrypt_key; 50 ossl_cipher_process_t *process; 51 }; 52 53 #endif 54