forked from espressif/arduino-esp32
initial import
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me-no-dev
committed by
Ivan Grokhotkov
Ivan Grokhotkov
parent
668acc2c08
commit
5f3a205955
250
tools/sdk/include/esp32/hwcrypto/sha.h
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250
tools/sdk/include/esp32/hwcrypto/sha.h
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/*
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* ESP32 hardware accelerated SHA1/256/512 implementation
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* based on mbedTLS FIPS-197 compliant version.
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*
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* Copyright (C) 2006-2015, ARM Limited, All Rights Reserved
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* Additions Copyright (C) 2016, Espressif Systems (Shanghai) PTE Ltd
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* SPDX-License-Identifier: Apache-2.0
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may
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* not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*/
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#ifndef _ESP_SHA_H_
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#define _ESP_SHA_H_
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#include "rom/sha.h"
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#include "esp_types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* \brief SHA-1 context structure
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*/
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typedef struct {
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/* both types defined in rom/sha.h */
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SHA_CTX context;
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enum SHA_TYPE context_type;
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} esp_sha_context;
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/**
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* \brief Lock access to SHA hardware unit
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*
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* SHA hardware unit can only be used by one
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* consumer at a time.
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*
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* esp_sha_xxx API calls automatically manage locking & unlocking of
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* hardware, this function is only needed if you want to call
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* ets_sha_xxx functions directly.
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*/
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void esp_sha_acquire_hardware( void );
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/**
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* \brief Unlock access to SHA hardware unit
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*
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* esp_sha_xxx API calls automatically manage locking & unlocking of
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* hardware, this function is only needed if you want to call
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* ets_sha_xxx functions directly.
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*/
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void esp_sha_release_hardware( void );
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/**
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* \brief Initialize SHA-1 context
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*
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* \param ctx SHA-1 context to be initialized
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*/
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void esp_sha1_init( esp_sha_context *ctx );
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/**
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* \brief Clear SHA-1 context
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*
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* \param ctx SHA-1 context to be cleared
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*/
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void esp_sha1_free( esp_sha_context *ctx );
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/**
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* \brief Clone (the state of) a SHA-1 context
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*
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* \param dst The destination context
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* \param src The context to be cloned
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*/
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void esp_sha1_clone( esp_sha_context *dst, const esp_sha_context *src );
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/**
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* \brief SHA-1 context setup
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*
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* \param ctx context to be initialized
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*/
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void esp_sha1_start( esp_sha_context *ctx );
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/**
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* \brief SHA-1 process buffer
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*
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* \param ctx SHA-1 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void esp_sha1_update( esp_sha_context *ctx, const unsigned char *input, size_t ilen );
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/**
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* \brief SHA-1 final digest
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*
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* \param ctx SHA-1 context
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* \param output SHA-1 checksum result
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*/
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void esp_sha1_finish( esp_sha_context *ctx, unsigned char output[20] );
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/**
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* \brief Calculate SHA-1 of input buffer
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output SHA-1 checksum result
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*/
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void esp_sha1( const unsigned char *input, size_t ilen, unsigned char output[20] );
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/**
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* \brief SHA-256 context structure
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*/
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/**
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* \brief Initialize SHA-256 context
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*
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* \param ctx SHA-256 context to be initialized
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*/
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void esp_sha256_init( esp_sha_context *ctx );
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/**
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* \brief Clear SHA-256 context
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*
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* \param ctx SHA-256 context to be cleared
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*/
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void esp_sha256_free( esp_sha_context *ctx );
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/**
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* \brief Clone (the state of) a SHA-256 context
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*
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* \param dst The destination context
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* \param src The context to be cloned
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*/
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void esp_sha256_clone( esp_sha_context *dst, const esp_sha_context *src );
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/**
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* \brief SHA-256 context setup
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*
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* \param ctx context to be initialized
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* \param is224 0 = use SHA256, 1 = use SHA224
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*/
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void esp_sha256_start( esp_sha_context *ctx, int is224 );
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/**
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* \brief SHA-256 process buffer
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*
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* \param ctx SHA-256 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void esp_sha256_update( esp_sha_context *ctx, const unsigned char *input, size_t ilen );
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/**
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* \brief SHA-256 final digest
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*
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* \param ctx SHA-256 context
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* \param output SHA-224/256 checksum result
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*/
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void esp_sha256_finish( esp_sha_context *ctx, unsigned char output[32] );
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/**
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* \brief Calculate SHA-256 of input buffer
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output SHA-224/256 checksum result
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* \param is224 0 = use SHA256, 1 = use SHA224
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*/
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void esp_sha256( const unsigned char *input, size_t ilen, unsigned char output[32], int is224 );
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//
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/**
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* \brief SHA-512 context structure
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*/
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/**
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* \brief Initialize SHA-512 context
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*
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* \param ctx SHA-512 context to be initialized
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*/
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void esp_sha512_init( esp_sha_context *ctx );
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/**
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* \brief Clear SHA-512 context
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*
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* \param ctx SHA-512 context to be cleared
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*/
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void esp_sha512_free( esp_sha_context *ctx );
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/**
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* \brief Clone (the state of) a SHA-512 context
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*
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* \param dst The destination context
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* \param src The context to be cloned
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*/
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void esp_sha512_clone( esp_sha_context *dst, const esp_sha_context *src );
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/**
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* \brief SHA-512 context setup
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*
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* \param ctx context to be initialized
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* \param is384 0 = use SHA512, 1 = use SHA384
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*/
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void esp_sha512_start( esp_sha_context *ctx, int is384 );
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/**
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* \brief SHA-512 process buffer
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*
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* \param ctx SHA-512 context
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* \param input buffer holding the data
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* \param ilen length of the input data
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*/
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void esp_sha512_update( esp_sha_context *ctx, const unsigned char *input, size_t ilen );
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/**
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* \brief SHA-512 final digest
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*
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* \param ctx SHA-512 context
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* \param output SHA-384/512 checksum result
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*/
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void esp_sha512_finish( esp_sha_context *ctx, unsigned char output[64] );
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/**
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* \brief Calculate SHA-512 of input buffer.
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*
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* \param input buffer holding the data
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* \param ilen length of the input data
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* \param output SHA-384/512 checksum result
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* \param is384 0 = use SHA512, 1 = use SHA384
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*/
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void esp_sha512( const unsigned char *input, size_t ilen, unsigned char output[64], int is384 );
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//
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#ifdef __cplusplus
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}
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#endif
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#endif
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