97 lines
3 KiB
C
97 lines
3 KiB
C
/* silabs_hash.h
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*
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* Copyright (C) 2006-2023 wolfSSL Inc.
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*
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* This file is part of wolfSSL.
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*
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* wolfSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* wolfSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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*/
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#ifndef _SILABS_HASH_H_
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#define _SILABS_HASH_H_
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#include <wolfssl/wolfcrypt/settings.h>
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#if defined(WOLFSSL_SILABS_SE_ACCEL)
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#include <em_device.h>
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#include <wolfssl/wolfcrypt/types.h>
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#include <sl_se_manager.h>
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#include <sl_se_manager_hash.h>
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/* workaround to detect older Gecko SDK version 3 */
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#if !defined(WOLFSSL_SILABS_SE_ACCEL_3) && !defined(SL_SE_PRF_HMAC_SHA1)
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/* Use streaming instead of new multipart */
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#define WOLFSSL_SILABS_SE_ACCEL_3
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#endif
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/* Enable SHA2-2384 and SHA2-512 if HW supports and enabled */
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#if (_SILICON_LABS_SECURITY_FEATURE == _SILICON_LABS_SECURITY_FEATURE_VAULT)
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#ifdef WOLFSSL_SHA384
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#define WOLFSSL_SILABS_SHA384
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#endif
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#ifdef WOLFSSL_SHA512
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#define WOLFSSL_SILABS_SHA512
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#endif
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#endif
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#ifdef WOLFSSL_SILABS_SE_ACCEL_3
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/* Gecko SDK v3 uses "streaming" interface */
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typedef struct {
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sl_se_hash_streaming_context_t hash_ctx;
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sl_se_command_context_t cmd_ctx;
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union hash_type_ctx_u {
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sl_se_sha1_streaming_context_t sha1_ctx;
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sl_se_sha224_streaming_context_t sha224_ctx;
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sl_se_sha256_streaming_context_t sha256_ctx;
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#ifdef WOLFSSL_SILABS_SHA384
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sl_se_sha384_streaming_context_t sha384_ctx;
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#endif
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#ifdef WOLFSSL_SILABS_SHA512
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sl_se_sha512_streaming_context_t sha512_ctx;
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#endif
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} hash_type_ctx;
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} wc_silabs_sha_t;
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#else
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/* Gecko SDK v4 or later uses "multipart" interface */
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typedef struct {
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sl_se_command_context_t cmd_ctx;
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union hash_type_ctx_u {
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sl_se_sha1_multipart_context_t sha1_ctx;
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sl_se_sha224_multipart_context_t sha224_ctx;
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sl_se_sha256_multipart_context_t sha256_ctx;
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#ifdef WOLFSSL_SILABS_SHA384
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sl_se_sha384_multipart_context_t sha384_ctx;
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#endif
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#ifdef WOLFSSL_SILABS_SHA512
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sl_se_sha512_multipart_context_t sha512_ctx;
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#endif
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} hash_type_ctx;
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} wc_silabs_sha_t;
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#endif
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int wc_silabs_se_hash_init(wc_silabs_sha_t* sha, enum wc_HashType type);
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int wc_silabs_se_hash_update(wc_silabs_sha_t* sha, const byte* data,
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word32 len);
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int wc_silabs_se_hash_final(wc_silabs_sha_t* sha, byte* hash, word32 len);
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#endif /* WOLFSSL_SILABS_SE_ACCEL */
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#endif /* _SILABS_HASH_H_ */
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