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stm32f4xx_hash.h
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/**
******************************************************************************
* @file stm32f4xx_hash.h
* @author MCD Application Team
* @version V1.4.0
* @date 04-August-2014
* @brief This file contains all the functions prototypes for the HASH
* firmware library.
******************************************************************************
* @attention
*
* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
*
* Licensed under MCD-ST Liberty SW License Agreement V2, (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.st.com/software_license_agreement_liberty_v2
*
* 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.
*
******************************************************************************
*/
/* 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, SHA-224, SHA-256 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[8]; /*!< Message digest result : 8x 32bit wors for SHA-256,
7x 32bit wors for SHA-224,
5x 32bit words for SHA-1 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[54];
}HASH_Context;
/* Exported constants --------------------------------------------------------*/
/** @defgroup HASH_Exported_Constants
* @{
*/
/** @defgroup HASH_Algo_Selection
* @{
*/
#define HASH_AlgoSelection_SHA1 ((uint32_t)0x0000) /*!< HASH function is SHA1 */
#define HASH_AlgoSelection_SHA224 HASH_CR_ALGO_1 /*!< HASH function is SHA224 */
#define HASH_AlgoSelection_SHA256 HASH_CR_ALGO /*!< HASH function is SHA256 */
#define HASH_AlgoSelection_MD5 HASH_CR_ALGO_0 /*!< HASH function is MD5 */
#define IS_HASH_ALGOSELECTION(ALGOSELECTION) (((ALGOSELECTION) == HASH_AlgoSelection_SHA1) || \
((ALGOSELECTION) == HASH_AlgoSelection_SHA224) || \
((ALGOSELECTION) == HASH_AlgoSelection_SHA256) || \
((ALGOSELECTION) == HASH_AlgoSelection_MD5))
/**
* @}
*/
/** @defgroup HASH_processor_Algorithm_Mode
* @{
*/
#define HASH_AlgoMode_HASH ((uint32_t)0x00000000) /*!< Algorithm is HASH */
#define HASH_AlgoMode_HMAC HASH_CR_MODE /*!< Algorithm is HMAC */
#define IS_HASH_ALGOMODE(ALGOMODE) (((ALGOMODE) == HASH_AlgoMode_HASH) || \
((ALGOMODE) == HASH_AlgoMode_HMAC))
/**
* @}
*/
/** @defgroup HASH_Data_Type
* @{
*/
#define HASH_DataType_32b ((uint32_t)0x0000) /*!< 32-bit data. No swapping */
#define HASH_DataType_16b HASH_CR_DATATYPE_0 /*!< 16-bit data. Each half word is swapped */
#define HASH_DataType_8b HASH_CR_DATATYPE_1 /*!< 8-bit data. All bytes are swapped */
#define HASH_DataType_1b HASH_CR_DATATYPE /*!< 1-bit data. In the word all bits are swapped */
#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 HASH_CR_LKEY /*!< 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 HASH_IMR_DINIM /*!< A new block can be entered into the input buffer (DIN) */
#define HASH_IT_DCI HASH_IMR_DCIM /*!< Digest calculation complete */
#define IS_HASH_IT(IT) ((((IT) & (uint32_t)0xFFFFFFFC) == 0x00000000) && ((IT) != 0x00000000))
#define IS_HASH_GET_IT(IT) (((IT) == HASH_IT_DINI) || ((IT) == HASH_IT_DCI))
/**
* @}
*/
/** @defgroup HASH_flags_definition
* @{
*/
#define HASH_FLAG_DINIS HASH_SR_DINIS /*!< 16 locations are free in the DIN : A new block can be entered into the input buffer */
#define HASH_FLAG_DCIS HASH_SR_DCIS /*!< Digest calculation complete */
#define HASH_FLAG_DMAS HASH_SR_DMAS /*!< DMA interface is enabled (DMAE=1) or a transfer is ongoing */
#define HASH_FLAG_BUSY HASH_SR_BUSY /*!< The hash core is Busy : processing a block of data */
#define HASH_FLAG_DINNE HASH_CR_DINNE /*!< 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_AutoStartDigest(FunctionalState NewState);
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 DMA interface function ************************************************/
void HASH_DMACmd(FunctionalState NewState);
/* HASH Interrupts and flags management functions *****************************/
void HASH_ITConfig(uint32_t HASH_IT, FunctionalState NewState);
FlagStatus HASH_GetFlagStatus(uint32_t HASH_FLAG);
void HASH_ClearFlag(uint32_t HASH_FLAG);
ITStatus HASH_GetITStatus(uint32_t HASH_IT);
void HASH_ClearITPendingBit(uint32_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 STMicroelectronics *****END OF FILE****/