mirror of
https://github.com/openssl/openssl.git
synced 2024-12-27 06:21:43 +08:00
f99d3eedf7
The functions that check for the provider being runnable are: new, init, final and dupctx. Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/12801)
55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
/*
|
|
* Copyright 2019-2020 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 cast cipher modes ecb, cbc, ofb, cfb */
|
|
|
|
#include "cipher_sm4.h"
|
|
#include "prov/implementations.h"
|
|
#include "prov/providercommon.h"
|
|
|
|
static OSSL_FUNC_cipher_freectx_fn sm4_freectx;
|
|
static OSSL_FUNC_cipher_dupctx_fn sm4_dupctx;
|
|
|
|
static void sm4_freectx(void *vctx)
|
|
{
|
|
PROV_SM4_CTX *ctx = (PROV_SM4_CTX *)vctx;
|
|
|
|
cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
|
|
OPENSSL_clear_free(ctx, sizeof(*ctx));
|
|
}
|
|
|
|
static void *sm4_dupctx(void *ctx)
|
|
{
|
|
PROV_SM4_CTX *in = (PROV_SM4_CTX *)ctx;
|
|
PROV_SM4_CTX *ret;
|
|
|
|
if (!ossl_prov_is_running())
|
|
return NULL;
|
|
|
|
ret = OPENSSL_malloc(sizeof(*ret));
|
|
if (ret == NULL) {
|
|
ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
|
|
return NULL;
|
|
}
|
|
in->base.hw->copyctx(&ret->base, &in->base);
|
|
|
|
return ret;
|
|
}
|
|
|
|
/* sm4128ecb_functions */
|
|
IMPLEMENT_generic_cipher(sm4, SM4, ecb, ECB, 0, 128, 128, 0, block)
|
|
/* sm4128cbc_functions */
|
|
IMPLEMENT_generic_cipher(sm4, SM4, cbc, CBC, 0, 128, 128, 128, block)
|
|
/* sm4128ctr_functions */
|
|
IMPLEMENT_generic_cipher(sm4, SM4, ctr, CTR, 0, 128, 8, 128, stream)
|
|
/* sm4128ofb128_functions */
|
|
IMPLEMENT_generic_cipher(sm4, SM4, ofb128, OFB, 0, 128, 8, 128, stream)
|
|
/* sm4128cfb128_functions */
|
|
IMPLEMENT_generic_cipher(sm4, SM4, cfb128, CFB, 0, 128, 8, 128, stream)
|