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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
*/
/* Dispatch functions for AES CCM mode */
#include "cipher_aes_ccm.h"
#include "prov/implementations.h"
static void *aes_ccm_newctx(void *provctx, size_t keybits)
{
PROV_AES_CCM_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx != NULL)
ccm_initctx(&ctx->base, keybits, PROV_AES_HW_ccm(keybits));
return ctx;
}
static OSSL_OP_cipher_freectx_fn aes_ccm_freectx;
static void aes_ccm_freectx(void *vctx)
{
PROV_AES_CCM_CTX *ctx = (PROV_AES_CCM_CTX *)vctx;
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
/* aes128ccm_functions */
IMPLEMENT_aead_cipher(aes, ccm, CCM, AEAD_FLAGS, 128, 8, 96);
/* aes192ccm_functions */
IMPLEMENT_aead_cipher(aes, ccm, CCM, AEAD_FLAGS, 192, 8, 96);
/* aes256ccm_functions */
IMPLEMENT_aead_cipher(aes, ccm, CCM, AEAD_FLAGS, 256, 8, 96);
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