78 lines
3.4 KiB
C
78 lines
3.4 KiB
C
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/***********************************************************************
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* Filename : sha1.h
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* Description : sha1 header file
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* Author(s) : firmware team
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* version : V1.0
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* Modify date : 2020-07-29
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***********************************************************************/
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#ifndef __SHA1_H__
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#define __SHA1_H__
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#include "ACM32Fxx_HAL.h"
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/**********************************************************
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* structure
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**********************************************************/
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//SHA1 context
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typedef struct {
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UINT32 state[5]; //state (ABCD)
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UINT32 count[2]; // number of bits, modulo 2^64 (msb first)
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uint8_t buffer[64]; // input buffer
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} SHA1_CTX;
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/**************************************************************************
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* Function Name : HAL_SHA1_Init
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* Description : SHA1 initialization. Begins an SHA1 operation, writing a new context.
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* Input : None
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* Output : - *context : the point of sha1 context
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* Return : None
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**************************************************************************/
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void HAL_SHA1_Init(SHA1_CTX *context);
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/**************************************************************************
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* Function Name : HAL_SHA1_Update
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* Description : SHA1 block update operation. Continues an SHA1 message-digest
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* : operation, processing another message block, and updating the
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* : context.
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* Input : - *context : context before transform
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* : - *input : input message
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* : - inputlen : the byte length of input message
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* Output : - *context : context after transform
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* Return : None
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**************************************************************************/
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void HAL_SHA1_Update(SHA1_CTX *context,uint8_t *input,UINT32 inputLen);
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/**************************************************************************
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* Function Name : HAL_SHA1_Final
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* Description : SHA1 finalization. Ends an MD5 message-digest operation, writing the
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* : the message digest and zeroizing the context.
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* Input : - *context : context before transform
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* Output : - *digest : message digest
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* Return : None
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**************************************************************************/
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void HAL_SHA1_Final(uint8_t *digest, SHA1_CTX *context);
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/**************************************************************************
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* Function Name : HAL_SHA1_Hash
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* Description : transform message to digest in SHA1 algorithm
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* Input : - *pDataIn : input message to be tranformed;
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: - DataLen : the byte length of message;
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* Output : - *pDigest : output the digest;
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* Return : None
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**************************************************************************/
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void HAL_SHA1_Hash(uint8_t *pDataIn,UINT32 DataLen,uint8_t *pDigest);
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/**************************************************************************
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* Function Name : SHA_encode
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* Description : Encodes input (UINT32) into output (unsigned char)[Big-Endian]
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* Input : - *input : input data to be tranformed;
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: - len : byte len of the input data(len is a multiple of 4);
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* Output : - *output : output data;
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* Return : None
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**************************************************************************/
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void SHA_encode (uint8_t *output, UINT32 *input, UINT32 len);
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void SHA_memcpy (uint8_t *output,uint8_t *input, UINT32 len);
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void SHA_memset (uint8_t *output, int value, UINT32 len);
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#endif
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