mirror of
https://github.com/espressif/esp-idf.git
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248 lines
6.0 KiB
C
248 lines
6.0 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may 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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// 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,
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// WITHOUT 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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#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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SHA_CTX context;
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enum SHA_TYPE context_type; /* defined in rom/sha.h */
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} sha_context;
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typedef sha_context SHA1_CTX;
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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( SHA1_CTX *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( SHA1_CTX *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( SHA1_CTX *dst, const SHA1_CTX *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( SHA1_CTX *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( SHA1_CTX *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( SHA1_CTX *ctx, unsigned char output[20] );
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/**
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* \brief Output = SHA-1( 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_output( 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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typedef sha_context SHA256_CTX;
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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( SHA256_CTX *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( SHA256_CTX *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( SHA256_CTX *dst, const SHA256_CTX *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( SHA256_CTX *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( SHA256_CTX *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( SHA256_CTX *ctx, unsigned char output[32] );
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/**
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* \brief Output = SHA-256( 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_output( 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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typedef sha_context SHA512_CTX;
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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( SHA512_CTX *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( SHA512_CTX *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( SHA512_CTX *dst, const SHA512_CTX *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( SHA512_CTX *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( SHA512_CTX *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( SHA512_CTX *ctx, unsigned char output[64] );
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/**
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* \brief Output = SHA-512( 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_output( 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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