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/* ====================================================================
*
*
* BSD LICENSE
*
* Copyright(c) 2023-2025 Intel Corporation.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Intel Corporation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* ====================================================================
*/
/*****************************************************************************
* @file qat_prov_sm3.c
*
* This file provides an implementation to qatprovider SM3 operations
*
*****************************************************************************/
#if defined(ENABLE_QAT_HW_SM3) || defined (ENABLE_QAT_SW_SM3)
# include <string.h>
# include <openssl/core_names.h>
# include <openssl/crypto.h>
# include <openssl/evp.h>
# include <openssl/params.h>
# include <openssl/err.h>
# include <openssl/proverr.h>
# ifdef ENABLE_QAT_HW_SM3
# include "qat_hw_sm3.h"
# endif
# include "qat_provider.h"
# include "qat_utils.h"
# include "qat_evp.h"
# include "e_qat.h"
# define QAT_PROV_DIGEST_FLAG_XOF 0x0001
# define QAT_PROV_DIGEST_FLAG_ALGID_ABSENT 0x0002
# define SM3_DIGEST_LENGTH 32
# define SM3_CBLOCK 64
static OSSL_FUNC_digest_newctx_fn qat_sm3_newctx;
static OSSL_FUNC_digest_freectx_fn qat_sm3_freectx;
static OSSL_FUNC_digest_dupctx_fn qat_sm3_dupctx;
static const OSSL_PARAM qat_digest_default_known_gettable_params[] = {
OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_BLOCK_SIZE, NULL),
OSSL_PARAM_size_t(OSSL_DIGEST_PARAM_SIZE, NULL),
OSSL_PARAM_int(OSSL_DIGEST_PARAM_XOF, NULL),
OSSL_PARAM_int(OSSL_DIGEST_PARAM_ALGID_ABSENT, NULL),
OSSL_PARAM_END
};
const OSSL_PARAM *qat_sm3_digest_default_gettable_params(void *provctx)
{
return qat_digest_default_known_gettable_params;
}
int qat_sm3_digest_default_get_params(OSSL_PARAM params[], size_t blksz,
size_t paramsz, unsigned long flags)
{
OSSL_PARAM *p = NULL;
p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_BLOCK_SIZE);
if (p != NULL && !OSSL_PARAM_set_size_t(p, blksz)) {
QATerr(ERR_LIB_PROV, QAT_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_SIZE);
if (p != NULL && !OSSL_PARAM_set_size_t(p, paramsz)) {
QATerr(ERR_LIB_PROV, QAT_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_XOF);
if (p != NULL
&& !OSSL_PARAM_set_int(p, (flags & QAT_PROV_DIGEST_FLAG_XOF) != 0)) {
QATerr(ERR_LIB_PROV, QAT_R_FAILED_TO_SET_PARAMETER);
return 0;
}
p = OSSL_PARAM_locate(params, OSSL_DIGEST_PARAM_ALGID_ABSENT);
if (p != NULL
&& !OSSL_PARAM_set_int(p, (flags & QAT_PROV_DIGEST_FLAG_ALGID_ABSENT) != 0)) {
QATerr(ERR_LIB_PROV, QAT_R_FAILED_TO_SET_PARAMETER);
return 0;
}
return 1;
}
static void *qat_sm3_newctx(void *prov_ctc)
{
# ifdef ENABLE_QAT_HW_SM3
QAT_SM3_CTX *ctx = qat_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) : NULL;
# endif
# ifdef ENABLE_QAT_SW_SM3
QAT_SM3_CTX_mb *ctx = qat_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) : NULL;
# endif
return ctx;
}
# ifdef ENABLE_QAT_HW_SM3
static void qat_sm3_free_sw_md_ctx(QAT_SM3_CTX *ctx)
{
EVP_MD_CTX_free(ctx->sw_md_ctx);
EVP_MD_free(ctx->sw_md);
ctx->sw_md_ctx = NULL;
ctx->sw_md = NULL;
}
# endif
static void qat_sm3_freectx(void *vctx)
{
# ifdef ENABLE_QAT_HW_SM3
QAT_SM3_CTX *ctx = (QAT_SM3_CTX *)vctx;
if (!qat_hw_sm3_cleanup(ctx)){
WARN("qat sm3 ctx cleanup failed.\n");
}
if ((qat_hw_sm3_offload) && (!qat_get_qat_offload_disabled())) {
# ifndef ENABLE_QAT_SMALL_PKT_OFFLOAD
qat_sm3_free_sw_md_ctx(ctx);
# endif
} else {
if (ctx->rcv_count == 0) {
qat_sm3_free_sw_md_ctx(ctx);
}
}
# endif
# ifdef ENABLE_QAT_SW_SM3
QAT_SM3_CTX_mb *ctx = (QAT_SM3_CTX_mb *)vctx;
# endif
OPENSSL_clear_free(ctx, sizeof(*ctx));
}
static void *qat_sm3_dupctx(void *ctx)
{
# ifdef ENABLE_QAT_HW_SM3
QAT_SM3_CTX *in = (QAT_SM3_CTX *)ctx;
QAT_SM3_CTX *ret = qat_prov_is_running() ? OPENSSL_malloc(sizeof(*ret)) : NULL;
qat_hw_sm3_copy(ret, in);
# endif
# ifdef ENABLE_QAT_SW_SM3
QAT_SM3_CTX_mb *in = (QAT_SM3_CTX_mb *)ctx;
QAT_SM3_CTX_mb *ret = qat_prov_is_running() ? OPENSSL_malloc(sizeof(*ret)) : NULL;
# endif
if (ret != NULL)
*ret = *in;
# ifdef ENABLE_QAT_HW_SM3
if ((!qat_hw_sm3_offload) || (qat_get_qat_offload_disabled())) {
ret->rcv_count = 1;
}
# endif
return ret;
}
#define QAT_PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags) \
static OSSL_FUNC_digest_get_params_fn qat_name##_get_params; \
static int qat_name##_get_params(OSSL_PARAM params[]) \
{ \
return qat_sm3_digest_default_get_params(params, blksize, dgstsize, flags); \
}
#define QAT_PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name) \
{ OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))qat_name##_get_params }, \
{ OSSL_FUNC_DIGEST_GETTABLE_PARAMS, \
(void (*)(void))qat_sm3_digest_default_gettable_params }
# define QAT_PROV_FUNC_DIGEST_FINAL(name, dgstsize, fin) \
static OSSL_FUNC_digest_final_fn qat_##name##_internal_final; \
static int qat_##name##_internal_final(void *ctx, unsigned char *out, size_t *outl,\
size_t outsz) \
{ \
if (qat_prov_is_running() && outsz >= dgstsize && fin(ctx, out)) { \
*outl = dgstsize; \
return 1; \
} \
return 0; \
}
# define QAT_PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START( \
name, CTX, blksize, dgstsize, flags, upd, fin) \
QAT_PROV_FUNC_DIGEST_FINAL(name, dgstsize, fin) \
QAT_PROV_FUNC_DIGEST_GET_PARAM(name, blksize, dgstsize, flags) \
const OSSL_DISPATCH qat_##name##_functions[] = { \
{ OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))qat_##name##_newctx }, \
{ OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))upd }, \
{ OSSL_FUNC_DIGEST_FINAL, (void (*)(void))qat_##name##_internal_final }, \
{ OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))qat_##name##_freectx }, \
{ OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))qat_##name##_dupctx }, \
QAT_PROV_DISPATCH_FUNC_DIGEST_GET_PARAMS(name)
# define QAT_PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END \
{ 0, NULL } \
};
# define QAT_PROV_IMPLEMENT_digest_functions( \
name, CTX, blksize, dgstsize, flags, init, upd, fin) \
static OSSL_FUNC_digest_init_fn qat_##name##_internal_init; \
static int qat_##name##_internal_init(void *ctx, \
ossl_unused const OSSL_PARAM params[]) \
{ \
return qat_prov_is_running() && init(ctx); \
} \
QAT_PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_START(name, CTX, blksize, dgstsize, flags, \
upd, fin), \
{ OSSL_FUNC_DIGEST_INIT, (void (*)(void))qat_##name##_internal_init }, \
QAT_PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END
/* qat_sm3_functions */
# ifdef ENABLE_QAT_HW_SM3
QAT_PROV_IMPLEMENT_digest_functions(sm3, QAT_SM3_CTX,
SM3_CBLOCK, SM3_DIGEST_LENGTH, 0,
qat_hw_sm3_init, qat_hw_sm3_update, qat_hw_sm3_final)
# endif
# ifdef ENABLE_QAT_SW_SM3
QAT_PROV_IMPLEMENT_digest_functions(sm3, QAT_SM3_CTX_mb,
SM3_CBLOCK, SM3_DIGEST_LENGTH, 0,
qat_sw_sm3_init, qat_sw_sm3_update, qat_sw_sm3_final)
# endif
#endif /* ENABLE_QAT_HW_SM3 || ENABLE_QAT_SW_SM3 */
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