Viewing file:  cipher_sm4_gcm.c (1.07 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/*
* Copyright 2021 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 SM4 GCM mode */
#include "cipher_sm4_gcm.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
static OSSL_FUNC_cipher_freectx_fn sm4_gcm_freectx;
static void *sm4_gcm_newctx(void *provctx, size_t keybits)
{
PROV_SM4_GCM_CTX *ctx;
if (!ossl_prov_is_running())
return NULL;
ctx = OPENSSL_zalloc(sizeof(*ctx));
if (ctx != NULL)
ossl_gcm_initctx(provctx, &ctx->base, keybits,
ossl_prov_sm4_hw_gcm(keybits));
return ctx;
}
static void sm4_gcm_freectx(void *vctx)
{
PROV_SM4_GCM_CTX *ctx = (PROV_SM4_GCM_CTX *)vctx;
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
/* ossl_sm4128gcm_functions */
IMPLEMENT_aead_cipher(sm4, gcm, GCM, AEAD_FLAGS, 128, 8, 96);
|