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/*
* Copyright 2019 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
*/
/*-
* Generic support for ARIA CCM.
*/
#include "cipher_aria_ccm.h"
static int ccm_aria_initkey(PROV_CCM_CTX *ctx,
const unsigned char *key, size_t keylen)
{
PROV_ARIA_CCM_CTX *actx = (PROV_ARIA_CCM_CTX *)ctx;
aria_set_encrypt_key(key, keylen * 8, &actx->ks.ks);
CRYPTO_ccm128_init(&ctx->ccm_ctx, ctx->m, ctx->l, &actx->ks.ks,
(block128_f)aria_encrypt);
ctx->str = NULL;
ctx->key_set = 1;
return 1;
}
static const PROV_CCM_HW ccm_aria = {
ccm_aria_initkey,
ccm_generic_setiv,
ccm_generic_setaad,
ccm_generic_auth_encrypt,
ccm_generic_auth_decrypt,
ccm_generic_gettag
};
const PROV_CCM_HW *PROV_ARIA_HW_ccm(size_t keybits)
{
return &ccm_aria;
}
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