1*b077aed3SPierre Pronchery /*
2*b077aed3SPierre Pronchery * Copyright 2019-2020 The OpenSSL Project Authors. All Rights Reserved.
3*b077aed3SPierre Pronchery *
4*b077aed3SPierre Pronchery * Licensed under the Apache License 2.0 (the "License"). You may not use
5*b077aed3SPierre Pronchery * this file except in compliance with the License. You can obtain a copy
6*b077aed3SPierre Pronchery * in the file LICENSE in the source distribution or at
7*b077aed3SPierre Pronchery * https://www.openssl.org/source/license.html
8*b077aed3SPierre Pronchery */
9*b077aed3SPierre Pronchery
10*b077aed3SPierre Pronchery /* Dispatch functions for cast cipher modes ecb, cbc, ofb, cfb */
11*b077aed3SPierre Pronchery
12*b077aed3SPierre Pronchery #include "cipher_sm4.h"
13*b077aed3SPierre Pronchery #include "prov/implementations.h"
14*b077aed3SPierre Pronchery #include "prov/providercommon.h"
15*b077aed3SPierre Pronchery
16*b077aed3SPierre Pronchery static OSSL_FUNC_cipher_freectx_fn sm4_freectx;
17*b077aed3SPierre Pronchery static OSSL_FUNC_cipher_dupctx_fn sm4_dupctx;
18*b077aed3SPierre Pronchery
sm4_freectx(void * vctx)19*b077aed3SPierre Pronchery static void sm4_freectx(void *vctx)
20*b077aed3SPierre Pronchery {
21*b077aed3SPierre Pronchery PROV_SM4_CTX *ctx = (PROV_SM4_CTX *)vctx;
22*b077aed3SPierre Pronchery
23*b077aed3SPierre Pronchery ossl_cipher_generic_reset_ctx((PROV_CIPHER_CTX *)vctx);
24*b077aed3SPierre Pronchery OPENSSL_clear_free(ctx, sizeof(*ctx));
25*b077aed3SPierre Pronchery }
26*b077aed3SPierre Pronchery
sm4_dupctx(void * ctx)27*b077aed3SPierre Pronchery static void *sm4_dupctx(void *ctx)
28*b077aed3SPierre Pronchery {
29*b077aed3SPierre Pronchery PROV_SM4_CTX *in = (PROV_SM4_CTX *)ctx;
30*b077aed3SPierre Pronchery PROV_SM4_CTX *ret;
31*b077aed3SPierre Pronchery
32*b077aed3SPierre Pronchery if (!ossl_prov_is_running())
33*b077aed3SPierre Pronchery return NULL;
34*b077aed3SPierre Pronchery
35*b077aed3SPierre Pronchery ret = OPENSSL_malloc(sizeof(*ret));
36*b077aed3SPierre Pronchery if (ret == NULL) {
37*b077aed3SPierre Pronchery ERR_raise(ERR_LIB_PROV, ERR_R_MALLOC_FAILURE);
38*b077aed3SPierre Pronchery return NULL;
39*b077aed3SPierre Pronchery }
40*b077aed3SPierre Pronchery in->base.hw->copyctx(&ret->base, &in->base);
41*b077aed3SPierre Pronchery
42*b077aed3SPierre Pronchery return ret;
43*b077aed3SPierre Pronchery }
44*b077aed3SPierre Pronchery
45*b077aed3SPierre Pronchery /* ossl_sm4128ecb_functions */
46*b077aed3SPierre Pronchery IMPLEMENT_generic_cipher(sm4, SM4, ecb, ECB, 0, 128, 128, 0, block)
47*b077aed3SPierre Pronchery /* ossl_sm4128cbc_functions */
48*b077aed3SPierre Pronchery IMPLEMENT_generic_cipher(sm4, SM4, cbc, CBC, 0, 128, 128, 128, block)
49*b077aed3SPierre Pronchery /* ossl_sm4128ctr_functions */
50*b077aed3SPierre Pronchery IMPLEMENT_generic_cipher(sm4, SM4, ctr, CTR, 0, 128, 8, 128, stream)
51*b077aed3SPierre Pronchery /* ossl_sm4128ofb128_functions */
52*b077aed3SPierre Pronchery IMPLEMENT_generic_cipher(sm4, SM4, ofb128, OFB, 0, 128, 8, 128, stream)
53*b077aed3SPierre Pronchery /* ossl_sm4128cfb128_functions */
54*b077aed3SPierre Pronchery IMPLEMENT_generic_cipher(sm4, SM4, cfb128, CFB, 0, 128, 8, 128, stream)
55