openssl/providers/implementations/ciphers/cipher_aria_gcm.c

60 lines
1.6 KiB
C

/*
* Copyright 2019-2023 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 ARIA GCM mode */
#include "cipher_aria_gcm.h"
#include "prov/implementations.h"
#include "prov/providercommon.h"
static void *aria_gcm_newctx(void *provctx, size_t keybits)
{
PROV_ARIA_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_aria_hw_gcm(keybits));
return ctx;
}
static void *aria_gcm_dupctx(void *provctx)
{
PROV_ARIA_GCM_CTX *ctx = provctx;
PROV_ARIA_GCM_CTX *dctx = NULL;
if (ctx == NULL)
return NULL;
dctx = OPENSSL_memdup(ctx, sizeof(*ctx));
if (dctx != NULL && dctx->base.gcm.key != NULL)
dctx->base.gcm.key = &dctx->ks.ks;
return dctx;
}
static OSSL_FUNC_cipher_freectx_fn aria_gcm_freectx;
static void aria_gcm_freectx(void *vctx)
{
PROV_ARIA_GCM_CTX *ctx = (PROV_ARIA_GCM_CTX *)vctx;
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
/* ossl_aria128gcm_functions */
IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 128, 8, 96);
/* ossl_aria192gcm_functions */
IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 192, 8, 96);
/* ossl_aria256gcm_functions */
IMPLEMENT_aead_cipher(aria, gcm, GCM, AEAD_FLAGS, 256, 8, 96);