Mbed OS Reference | crypto_common.h Source File

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 /*
  * mbed Microcontroller Library
  * Copyright (c) 2019 Cypress Semiconductor Corporation
  * SPDX-License-Identifier: Apache-2.0
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 
 /**
  * \file    crypto_common.h
  * \version 1.0
  *
  * \brief   Header file for common mbedtls acceleration functions
  *
  */
 
 #if !defined(CRYPTO_COMMON_H)
 #define CRYPTO_COMMON_H
 
 #if defined(MBEDTLS_CONFIG_FILE)
 #include MBEDTLS_CONFIG_FILE
 #else
 #include "config.h"
 #endif
 
 #include "mbedtls/ecp.h"
 
 #include "cy_crypto_core_sha.h"
 
 #include "cyhal_crypto_common.h"
 
 /** CRYPTO object */
 typedef struct {
 #if defined(CY_IP_MXCRYPTO_INSTANCES) || defined(CPUSS_CRYPTO_PRESENT)
     CRYPTO_Type*                base;
     cyhal_resource_inst_t       resource;
     cyhal_crypto_feature_t      feature;
 #endif
 } cy_hw_crypto_t;
 
 bool cy_hw_crypto_reserve(cy_hw_crypto_t *obj, cyhal_crypto_feature_t feature);
 void cy_hw_crypto_release(cy_hw_crypto_t *obj);
 void cy_hw_zeroize(void *data, uint32_t dataSize);
 
 void cy_hw_sha_init(void *ctx, uint32_t ctxSize);
 void cy_hw_sha_free(void *ctx, uint32_t ctxSize);
 
 int cy_hw_sha_start (cy_hw_crypto_t *obj, cy_stc_crypto_sha_state_t *hashState,
                      cy_en_crypto_sha_mode_t shaMode, void *shaBuffers);
 
 int cy_hw_sha_update(cy_hw_crypto_t *obj, cy_stc_crypto_sha_state_t *hashState,
                      const uint8_t *in, uint32_t inlen);
 
 int cy_hw_sha_finish(cy_hw_crypto_t *obj, cy_stc_crypto_sha_state_t *hashState, 
                      uint8_t *output);
 
 void cy_hw_sha_clone(void *ctxDst, const void *ctxSrc, uint32_t ctxSize,
                      cy_stc_crypto_sha_state_t *hashStateDst, void *shaBuffersDst);
 
 int cy_hw_sha_process(cy_hw_crypto_t *obj, cy_stc_crypto_sha_state_t *hashState, 
                      const uint8_t *in);
 
 #endif /* (CRYPTO_COMMON_H) */
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