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/*
* Copyright 2022 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (the "License"). You may not use
* this file except in compliance with the License. You can obtain a copy
* in the file LICENSE in the source distribution or at
* https://www.openssl.org/source/license.html
*/
/*-
* RISC-V 64 ZKND ZKNE support for AES CCM.
* This file is included by cipher_aes_ccm_hw.c
*/
static int ccm_rv64i_zknd_zkne_initkey(PROV_CCM_CTX *ctx, const unsigned char *key,
size_t keylen)
{
PROV_AES_CCM_CTX *actx = (PROV_AES_CCM_CTX *)ctx;
AES_HW_CCM_SET_KEY_FN(rv64i_zkne_set_encrypt_key, rv64i_zkne_encrypt,
NULL, NULL);
return 1;
}
static const PROV_CCM_HW rv64i_zknd_zkne_ccm = {
ccm_rv64i_zknd_zkne_initkey,
ossl_ccm_generic_setiv,
ossl_ccm_generic_setaad,
ossl_ccm_generic_auth_encrypt,
ossl_ccm_generic_auth_decrypt,
ossl_ccm_generic_gettag
};
const PROV_CCM_HW *ossl_prov_aes_hw_ccm(size_t keybits)
{
return RISCV_HAS_ZKND_AND_ZKNE() ? &rv64i_zknd_zkne_ccm : &aes_ccm;
}
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