1/* 2 * Copyright 2022 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10/*- 11 * RISC-V 64 ZKND ZKNE support for AES CCM. 12 * This file is included by cipher_aes_ccm_hw.c 13 */ 14 15static int ccm_rv64i_zknd_zkne_initkey(PROV_CCM_CTX *ctx, const unsigned char *key, 16 size_t keylen) 17{ 18 PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx; 19 20 AES_HW_CCM_SET_KEY_FN(rv64i_zkne_set_encrypt_key, rv64i_zkne_encrypt, 21 NULL, NULL); 22 return 1; 23} 24 25static const PROV_CCM_HW rv64i_zknd_zkne_ccm = { 26 ccm_rv64i_zknd_zkne_initkey, 27 ossl_ccm_generic_setiv, 28 ossl_ccm_generic_setaad, 29 ossl_ccm_generic_auth_encrypt, 30 ossl_ccm_generic_auth_decrypt, 31 ossl_ccm_generic_gettag 32}; 33 34const PROV_CCM_HW *ossl_prov_aes_hw_ccm(size_t keybits) 35{ 36 return RV64I_ZKND_ZKNE_CAPABLE ? &rv64i_zknd_zkne_ccm : &aes_ccm; 37} 38