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rtt-f030/bsp/stm32f40x/Libraries/STM32F4xx_StdPeriph_Driver/inc/stm32f4xx_hash.h

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/**
******************************************************************************
* @file stm32f4xx_hash.h
* @author MCD Application Team
* @version V1.0.0
* @date 30-September-2011
* @brief This file contains all the functions prototypes for the HASH
* firmware library.
******************************************************************************
* @attention
*
* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
*
* <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
******************************************************************************
*/
/* Define to prevent recursive inclusion -------------------------------------*/
#ifndef __STM32F4xx_HASH_H
#define __STM32F4xx_HASH_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "stm32f4xx.h"
/** @addtogroup STM32F4xx_StdPeriph_Driver
* @{
*/
/** @addtogroup HASH
* @{
*/
/* Exported types ------------------------------------------------------------*/
/**
* @brief HASH Init structure definition
*/
typedef struct
{
uint32_t HASH_AlgoSelection; /*!< SHA-1 or MD5. This parameter can be a value
of @ref HASH_Algo_Selection */
uint32_t HASH_AlgoMode; /*!< HASH or HMAC. This parameter can be a value
of @ref HASH_processor_Algorithm_Mode */
uint32_t HASH_DataType; /*!< 32-bit data, 16-bit data, 8-bit data or
bit-string. This parameter can be a value of
@ref HASH_Data_Type */
uint32_t HASH_HMACKeyType; /*!< HMAC Short key or HMAC Long Key. This parameter
can be a value of @ref HASH_HMAC_Long_key_only_for_HMAC_mode */
}HASH_InitTypeDef;
/**
* @brief HASH message digest result structure definition
*/
typedef struct
{
uint32_t Data[5]; /*!< Message digest result : 5x 32bit words for SHA1 or
4x 32bit words for MD5 */
} HASH_MsgDigest;
/**
* @brief HASH context swapping structure definition
*/
typedef struct
{
uint32_t HASH_IMR;
uint32_t HASH_STR;
uint32_t HASH_CR;
uint32_t HASH_CSR[51];
}HASH_Context;
/* Exported constants --------------------------------------------------------*/
/** @defgroup HASH_Exported_Constants
* @{
*/
/** @defgroup HASH_Algo_Selection
* @{
*/
#define HASH_AlgoSelection_SHA1 ((uint16_t)0x0000) /*!< HASH function is SHA1 */
#define HASH_AlgoSelection_MD5 ((uint16_t)0x0080) /*!< HASH function is MD5 */
#define IS_HASH_ALGOSELECTION(ALGOSELECTION) (((ALGOSELECTION) == HASH_AlgoSelection_SHA1) || \
((ALGOSELECTION) == HASH_AlgoSelection_MD5))
/**
* @}
*/
/** @defgroup HASH_processor_Algorithm_Mode
* @{
*/
#define HASH_AlgoMode_HASH ((uint16_t)0x0000) /*!< Algorithm is HASH */
#define HASH_AlgoMode_HMAC ((uint16_t)0x0040) /*!< Algorithm is HMAC */
#define IS_HASH_ALGOMODE(ALGOMODE) (((ALGOMODE) == HASH_AlgoMode_HASH) || \
((ALGOMODE) == HASH_AlgoMode_HMAC))
/**
* @}
*/
/** @defgroup HASH_Data_Type
* @{
*/
#define HASH_DataType_32b ((uint16_t)0x0000)
#define HASH_DataType_16b ((uint16_t)0x0010)
#define HASH_DataType_8b ((uint16_t)0x0020)
#define HASH_DataType_1b ((uint16_t)0x0030)
#define IS_HASH_DATATYPE(DATATYPE) (((DATATYPE) == HASH_DataType_32b)|| \
((DATATYPE) == HASH_DataType_16b)|| \
((DATATYPE) == HASH_DataType_8b)|| \
((DATATYPE) == HASH_DataType_1b))
/**
* @}
*/
/** @defgroup HASH_HMAC_Long_key_only_for_HMAC_mode
* @{
*/
#define HASH_HMACKeyType_ShortKey ((uint32_t)0x00000000) /*!< HMAC Key is <= 64 bytes */
#define HASH_HMACKeyType_LongKey ((uint32_t)0x00010000) /*!< HMAC Key is > 64 bytes */
#define IS_HASH_HMAC_KEYTYPE(KEYTYPE) (((KEYTYPE) == HASH_HMACKeyType_ShortKey) || \
((KEYTYPE) == HASH_HMACKeyType_LongKey))
/**
* @}
*/
/** @defgroup Number_of_valid_bits_in_last_word_of_the_message
* @{
*/
#define IS_HASH_VALIDBITSNUMBER(VALIDBITS) ((VALIDBITS) <= 0x1F)
/**
* @}
*/
/** @defgroup HASH_interrupts_definition
* @{
*/
#define HASH_IT_DINI ((uint8_t)0x01) /*!< A new block can be entered into the input buffer (DIN)*/
#define HASH_IT_DCI ((uint8_t)0x02) /*!< Digest calculation complete */
#define IS_HASH_IT(IT) ((((IT) & (uint8_t)0xFC) == 0x00) && ((IT) != 0x00))
#define IS_HASH_GET_IT(IT) (((IT) == HASH_IT_DINI) || ((IT) == HASH_IT_DCI))
/**
* @}
*/
/** @defgroup HASH_flags_definition
* @{
*/
#define HASH_FLAG_DINIS ((uint16_t)0x0001) /*!< 16 locations are free in the DIN : A new block can be entered into the input buffer.*/
#define HASH_FLAG_DCIS ((uint16_t)0x0002) /*!< Digest calculation complete */
#define HASH_FLAG_DMAS ((uint16_t)0x0004) /*!< DMA interface is enabled (DMAE=1) or a transfer is ongoing */
#define HASH_FLAG_BUSY ((uint16_t)0x0008) /*!< The hash core is Busy : processing a block of data */
#define HASH_FLAG_DINNE ((uint16_t)0x1000) /*!< DIN not empty : The input buffer contains at least one word of data */
#define IS_HASH_GET_FLAG(FLAG) (((FLAG) == HASH_FLAG_DINIS) || \
((FLAG) == HASH_FLAG_DCIS) || \
((FLAG) == HASH_FLAG_DMAS) || \
((FLAG) == HASH_FLAG_BUSY) || \
((FLAG) == HASH_FLAG_DINNE))
#define IS_HASH_CLEAR_FLAG(FLAG)(((FLAG) == HASH_FLAG_DINIS) || \
((FLAG) == HASH_FLAG_DCIS))
/**
* @}
*/
/**
* @}
*/
/* Exported macro ------------------------------------------------------------*/
/* Exported functions --------------------------------------------------------*/
/* Function used to set the HASH configuration to the default reset state ****/
void HASH_DeInit(void);
/* HASH Configuration function ************************************************/
void HASH_Init(HASH_InitTypeDef* HASH_InitStruct);
void HASH_StructInit(HASH_InitTypeDef* HASH_InitStruct);
void HASH_Reset(void);
/* HASH Message Digest generation functions ***********************************/
void HASH_DataIn(uint32_t Data);
uint8_t HASH_GetInFIFOWordsNbr(void);
void HASH_SetLastWordValidBitsNbr(uint16_t ValidNumber);
void HASH_StartDigest(void);
void HASH_GetDigest(HASH_MsgDigest* HASH_MessageDigest);
/* HASH Context swapping functions ********************************************/
void HASH_SaveContext(HASH_Context* HASH_ContextSave);
void HASH_RestoreContext(HASH_Context* HASH_ContextRestore);
/* HASH's DMA interface function **********************************************/
void HASH_DMACmd(FunctionalState NewState);
/* HASH Interrupts and flags management functions *****************************/
void HASH_ITConfig(uint8_t HASH_IT, FunctionalState NewState);
FlagStatus HASH_GetFlagStatus(uint16_t HASH_FLAG);
void HASH_ClearFlag(uint16_t HASH_FLAG);
ITStatus HASH_GetITStatus(uint8_t HASH_IT);
void HASH_ClearITPendingBit(uint8_t HASH_IT);
/* High Level SHA1 functions **************************************************/
ErrorStatus HASH_SHA1(uint8_t *Input, uint32_t Ilen, uint8_t Output[20]);
ErrorStatus HMAC_SHA1(uint8_t *Key, uint32_t Keylen,
uint8_t *Input, uint32_t Ilen,
uint8_t Output[20]);
/* High Level MD5 functions ***************************************************/
ErrorStatus HASH_MD5(uint8_t *Input, uint32_t Ilen, uint8_t Output[16]);
ErrorStatus HMAC_MD5(uint8_t *Key, uint32_t Keylen,
uint8_t *Input, uint32_t Ilen,
uint8_t Output[16]);
#ifdef __cplusplus
}
#endif
#endif /*__STM32F4xx_HASH_H */
/**
* @}
*/
/**
* @}
*/
/******************* (C) COPYRIGHT 2011 STMicroelectronics *****END OF FILE****/
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