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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_sha2.c
*
* This file provides an implementation to qatprovider SHA2 operations
*
*****************************************************************************/
#if defined(ENABLE_QAT_FIPS) && defined(ENABLE_QAT_SW_SHA2)
# 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>
# include "qat_sw_sha2.h"
# include "qat_provider.h"
# include "qat_utils.h"
# include "qat_evp.h"
# include "e_qat.h"
/*
* Forward declaration of any unique methods implemented here. This is not strictly
* necessary for the compiler, but provides an assurance that the signatures
* of the functions in the dispatch table are correct.
*/
static OSSL_FUNC_digest_init_fn qat_sha2_init;
static OSSL_FUNC_digest_update_fn qat_sha2_update;
static OSSL_FUNC_digest_final_fn qat_sha2_final;
static int qat_sha2_init(void *vctx, ossl_unused const OSSL_PARAM params[])
{
QAT_SHA2_CTX *ctx = (QAT_SHA2_CTX *) vctx;
if (!qat_prov_is_running())
return 0;
/* The newctx() handles most of the ctx fixed setup. */
memset(ctx->h, 0, sizeof(ctx->h));
if (!mb_qat_SHA2_init(ctx)) {
WARN("QAT sha2 ctx init failed!\n");
return 0;
}
return 1;
}
static int qat_sha2_update(void *vctx, const unsigned char *inp, size_t len)
{
# ifdef ENABLE_QAT_FIPS
qat_fips_service_indicator = 1;
# endif
QAT_SHA2_CTX *ctx = (QAT_SHA2_CTX *) vctx;
if (!qat_prov_is_running())
return 0;
return mb_qat_SHA2_update(ctx, inp, len);
# ifdef ENABLE_QAT_FIPS
qat_fips_service_indicator = 0;
# endif
}
static int qat_sha2_final(void *vctx, unsigned char *out, size_t *outl,
size_t outsz)
{
# ifdef ENABLE_QAT_FIPS
qat_fips_service_indicator = 1;
# endif
int ret = 1;
QAT_SHA2_CTX *ctx = (QAT_SHA2_CTX *) vctx;
if (!qat_prov_is_running())
return 0;
*outl = ctx->md_size;
if (outsz > 0) {
ret = mb_qat_SHA2_final(ctx, out);
}
# ifdef ENABLE_QAT_FIPS
qat_fips_service_indicator = 0;
# endif
return ret;
}
static const OSSL_PARAM qat_sha2_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_sha2_default_gettable_params(void *provctx)
{
return qat_sha2_default_known_gettable_params;
}
static int qat_sha2_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, PROV_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, PROV_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 & PROV_DIGEST_FLAG_XOF) != 0)) {
QATerr(ERR_LIB_PROV, PROV_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 & PROV_DIGEST_FLAG_ALGID_ABSENT) != 0)) {
QATerr(ERR_LIB_PROV, PROV_R_FAILED_TO_SET_PARAMETER);
return 0;
}
return 1;
}
static void set_ctx_md_type(QAT_SHA2_CTX *ctx, int bitlen)
{
switch (bitlen) {
case 224:
ctx->md_type = NID_sha224;
break;
case 256:
ctx->md_type = NID_sha256;
break;
case 384:
ctx->md_type = NID_sha384;
break;
case 512:
ctx->md_type = NID_sha512;
break;
}
}
# define PROV_DISPATCH_FUNC_SHA2_GET_PARAMS(name) \
{ OSSL_FUNC_DIGEST_GET_PARAMS, (void (*)(void))qat_##name##_get_params }, \
{ OSSL_FUNC_DIGEST_GETTABLE_PARAMS, \
(void (*)(void))qat_sha2_default_gettable_params }
# define PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END \
{ 0, NULL } \
};
# define PROV_FUNC_SHA2_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_sha2_default_get_params(params, blksize, dgstsize, flags); \
}
# define PROV_DISPATCH_FUNC_DIGEST_FREE_DUP(name, blksize) \
static void qat_##name##_freectx(void *vctx) \
{ \
QAT_SHA2_CTX *ctx = (QAT_SHA2_CTX *)vctx; \
\
mb_qat_sha2_cleanup(ctx); \
\
} \
static void *qat_##name##_dupctx(void *ctx) \
{ \
QAT_SHA2_CTX *in = (QAT_SHA2_CTX *)ctx; \
QAT_SHA2_CTX *ret = qat_prov_is_running() ? \
OPENSSL_malloc(sizeof(*ret)) \
: NULL; \
if (ret != NULL) \
*ret = *in; \
return ret; \
}
# define PROV_FUNC_SHA2_COMMON(name, bitlen, blksize, dgstsize, flags) \
PROV_FUNC_SHA2_GET_PARAM(name, blksize, dgstsize, flags) \
PROV_DISPATCH_FUNC_DIGEST_FREE_DUP(name, blksize) \
const OSSL_DISPATCH qat_##name##_functions[] = { \
{ OSSL_FUNC_DIGEST_NEWCTX, (void (*)(void))qat_##name##_newctx }, \
{ OSSL_FUNC_DIGEST_UPDATE, (void (*)(void))qat_sha2_update }, \
{ OSSL_FUNC_DIGEST_FINAL, (void (*)(void))qat_sha2_final }, \
{ OSSL_FUNC_DIGEST_FREECTX, (void (*)(void))qat_##name##_freectx }, \
{ OSSL_FUNC_DIGEST_DUPCTX, (void (*)(void))qat_##name##_dupctx }, \
PROV_DISPATCH_FUNC_SHA2_GET_PARAMS(name)
# define PROV_FUNC_SHA2(name, bitlen, blksize, dgstsize, flags) \
PROV_FUNC_SHA2_COMMON(name, bitlen, blksize, dgstsize, flags), \
{ OSSL_FUNC_DIGEST_INIT, (void (*)(void))qat_sha2_init }, \
PROV_DISPATCH_FUNC_DIGEST_CONSTRUCT_END
# define SHA2_NEW_CTX(name, bitlen, blksize, dgstsize, pad_val, sha_name) \
static OSSL_FUNC_digest_newctx_fn qat_##name##_newctx; \
static void *qat_##name##_newctx(void *provctx) \
{ \
QAT_SHA2_CTX *ctx = qat_prov_is_running() ? OPENSSL_zalloc(sizeof(*ctx)) \
: NULL; \
\
if (ctx == NULL) \
return NULL; \
\
set_ctx_md_type(ctx, bitlen); \
ctx->block_size = blksize; \
ctx->md_size = dgstsize; \
return ctx; \
} \
# define QAT_PROVIDER_SHA2_IMPLEMENTION(bitlen, blksize, dgstsize, flags, \
sha_name) \
SHA2_NEW_CTX(sha##bitlen, bitlen, blksize, dgstsize, '\x06', sha_name) \
PROV_FUNC_SHA2(sha##bitlen, bitlen, blksize, dgstsize, flags)
/* qat_sha224_functions */
QAT_PROVIDER_SHA2_IMPLEMENTION(224, QAT_SHA256_CBLOCK,
QAT_SHA224_DIGEST_LENGTH, SHA2_FLAGS, "SHA-224")
/* qat_sha256_functions */
QAT_PROVIDER_SHA2_IMPLEMENTION(256, QAT_SHA256_CBLOCK,
QAT_SHA256_DIGEST_LENGTH, SHA2_FLAGS, "SHA2-256")
/* qat_sha384_functions */
QAT_PROVIDER_SHA2_IMPLEMENTION(384, QAT_SHA512_CBLOCK,
QAT_SHA384_DIGEST_LENGTH, SHA2_FLAGS, "SHA-384")
/* qat_sha512_functions */
QAT_PROVIDER_SHA2_IMPLEMENTION(512, QAT_SHA512_CBLOCK,
QAT_SHA512_DIGEST_LENGTH, SHA2_FLAGS, "SHA-512")
#endif /* ENABLE_QAT_FIPS && ENABLE_QAT_SW_SHA2 */
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