258 lines
9.6 KiB
C
258 lines
9.6 KiB
C
/**
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******************************************************************************
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* @file stm32f4xx_hash.h
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* @author MCD Application Team
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* @version V1.4.0
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* @date 04-August-2014
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* @brief This file contains all the functions prototypes for the HASH
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* firmware library.
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******************************************************************************
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* @attention
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*
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* <h2><center>© COPYRIGHT 2014 STMicroelectronics</center></h2>
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*
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* Licensed under MCD-ST Liberty SW License Agreement V2, (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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*
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* http://www.st.com/software_license_agreement_liberty_v2
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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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*
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F4xx_HASH_H
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#define __STM32F4xx_HASH_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Includes ------------------------------------------------------------------*/
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#include "stm32f4xx.h"
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/** @addtogroup STM32F4xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup HASH
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief HASH Init structure definition
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*/
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typedef struct
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{
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uint32_t HASH_AlgoSelection; /*!< SHA-1, SHA-224, SHA-256 or MD5. This parameter
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can be a value of @ref HASH_Algo_Selection */
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uint32_t HASH_AlgoMode; /*!< HASH or HMAC. This parameter can be a value
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of @ref HASH_processor_Algorithm_Mode */
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uint32_t HASH_DataType; /*!< 32-bit data, 16-bit data, 8-bit data or
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bit string. This parameter can be a value of
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@ref HASH_Data_Type */
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uint32_t HASH_HMACKeyType; /*!< HMAC Short key or HMAC Long Key. This parameter
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can be a value of @ref HASH_HMAC_Long_key_only_for_HMAC_mode */
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}HASH_InitTypeDef;
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/**
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* @brief HASH message digest result structure definition
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*/
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typedef struct
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{
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uint32_t Data[8]; /*!< Message digest result : 8x 32bit wors for SHA-256,
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7x 32bit wors for SHA-224,
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5x 32bit words for SHA-1 or
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4x 32bit words for MD5 */
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} HASH_MsgDigest;
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/**
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* @brief HASH context swapping structure definition
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*/
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typedef struct
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{
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uint32_t HASH_IMR;
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uint32_t HASH_STR;
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uint32_t HASH_CR;
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uint32_t HASH_CSR[54];
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}HASH_Context;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup HASH_Exported_Constants
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* @{
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*/
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/** @defgroup HASH_Algo_Selection
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* @{
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*/
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#define HASH_AlgoSelection_SHA1 ((uint32_t)0x0000) /*!< HASH function is SHA1 */
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#define HASH_AlgoSelection_SHA224 HASH_CR_ALGO_1 /*!< HASH function is SHA224 */
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#define HASH_AlgoSelection_SHA256 HASH_CR_ALGO /*!< HASH function is SHA256 */
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#define HASH_AlgoSelection_MD5 HASH_CR_ALGO_0 /*!< HASH function is MD5 */
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#define IS_HASH_ALGOSELECTION(ALGOSELECTION) (((ALGOSELECTION) == HASH_AlgoSelection_SHA1) || \
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((ALGOSELECTION) == HASH_AlgoSelection_SHA224) || \
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((ALGOSELECTION) == HASH_AlgoSelection_SHA256) || \
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((ALGOSELECTION) == HASH_AlgoSelection_MD5))
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/**
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* @}
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*/
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/** @defgroup HASH_processor_Algorithm_Mode
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* @{
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*/
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#define HASH_AlgoMode_HASH ((uint32_t)0x00000000) /*!< Algorithm is HASH */
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#define HASH_AlgoMode_HMAC HASH_CR_MODE /*!< Algorithm is HMAC */
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#define IS_HASH_ALGOMODE(ALGOMODE) (((ALGOMODE) == HASH_AlgoMode_HASH) || \
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((ALGOMODE) == HASH_AlgoMode_HMAC))
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/**
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* @}
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*/
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/** @defgroup HASH_Data_Type
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* @{
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*/
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#define HASH_DataType_32b ((uint32_t)0x0000) /*!< 32-bit data. No swapping */
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#define HASH_DataType_16b HASH_CR_DATATYPE_0 /*!< 16-bit data. Each half word is swapped */
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#define HASH_DataType_8b HASH_CR_DATATYPE_1 /*!< 8-bit data. All bytes are swapped */
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#define HASH_DataType_1b HASH_CR_DATATYPE /*!< 1-bit data. In the word all bits are swapped */
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#define IS_HASH_DATATYPE(DATATYPE) (((DATATYPE) == HASH_DataType_32b)|| \
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((DATATYPE) == HASH_DataType_16b)|| \
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((DATATYPE) == HASH_DataType_8b) || \
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((DATATYPE) == HASH_DataType_1b))
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/**
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* @}
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*/
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/** @defgroup HASH_HMAC_Long_key_only_for_HMAC_mode
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* @{
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*/
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#define HASH_HMACKeyType_ShortKey ((uint32_t)0x00000000) /*!< HMAC Key is <= 64 bytes */
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#define HASH_HMACKeyType_LongKey HASH_CR_LKEY /*!< HMAC Key is > 64 bytes */
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#define IS_HASH_HMAC_KEYTYPE(KEYTYPE) (((KEYTYPE) == HASH_HMACKeyType_ShortKey) || \
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((KEYTYPE) == HASH_HMACKeyType_LongKey))
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/**
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* @}
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*/
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/** @defgroup Number_of_valid_bits_in_last_word_of_the_message
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* @{
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*/
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#define IS_HASH_VALIDBITSNUMBER(VALIDBITS) ((VALIDBITS) <= 0x1F)
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/**
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* @}
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*/
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/** @defgroup HASH_interrupts_definition
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* @{
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*/
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#define HASH_IT_DINI HASH_IMR_DINIM /*!< A new block can be entered into the input buffer (DIN) */
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#define HASH_IT_DCI HASH_IMR_DCIM /*!< Digest calculation complete */
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#define IS_HASH_IT(IT) ((((IT) & (uint32_t)0xFFFFFFFC) == 0x00000000) && ((IT) != 0x00000000))
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#define IS_HASH_GET_IT(IT) (((IT) == HASH_IT_DINI) || ((IT) == HASH_IT_DCI))
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/**
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* @}
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*/
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/** @defgroup HASH_flags_definition
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* @{
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*/
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#define HASH_FLAG_DINIS HASH_SR_DINIS /*!< 16 locations are free in the DIN : A new block can be entered into the input buffer */
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#define HASH_FLAG_DCIS HASH_SR_DCIS /*!< Digest calculation complete */
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#define HASH_FLAG_DMAS HASH_SR_DMAS /*!< DMA interface is enabled (DMAE=1) or a transfer is ongoing */
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#define HASH_FLAG_BUSY HASH_SR_BUSY /*!< The hash core is Busy : processing a block of data */
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#define HASH_FLAG_DINNE HASH_CR_DINNE /*!< DIN not empty : The input buffer contains at least one word of data */
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#define IS_HASH_GET_FLAG(FLAG) (((FLAG) == HASH_FLAG_DINIS) || \
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((FLAG) == HASH_FLAG_DCIS) || \
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((FLAG) == HASH_FLAG_DMAS) || \
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((FLAG) == HASH_FLAG_BUSY) || \
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((FLAG) == HASH_FLAG_DINNE))
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#define IS_HASH_CLEAR_FLAG(FLAG)(((FLAG) == HASH_FLAG_DINIS) || \
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((FLAG) == HASH_FLAG_DCIS))
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/**
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* @}
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*/
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/**
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* @}
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*/
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/* Exported macro ------------------------------------------------------------*/
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/* Exported functions --------------------------------------------------------*/
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/* Function used to set the HASH configuration to the default reset state ****/
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void HASH_DeInit(void);
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/* HASH Configuration function ************************************************/
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void HASH_Init(HASH_InitTypeDef* HASH_InitStruct);
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void HASH_StructInit(HASH_InitTypeDef* HASH_InitStruct);
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void HASH_Reset(void);
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/* HASH Message Digest generation functions ***********************************/
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void HASH_DataIn(uint32_t Data);
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uint8_t HASH_GetInFIFOWordsNbr(void);
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void HASH_SetLastWordValidBitsNbr(uint16_t ValidNumber);
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void HASH_StartDigest(void);
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void HASH_AutoStartDigest(FunctionalState NewState);
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void HASH_GetDigest(HASH_MsgDigest* HASH_MessageDigest);
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/* HASH Context swapping functions ********************************************/
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void HASH_SaveContext(HASH_Context* HASH_ContextSave);
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void HASH_RestoreContext(HASH_Context* HASH_ContextRestore);
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/* HASH DMA interface function ************************************************/
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void HASH_DMACmd(FunctionalState NewState);
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/* HASH Interrupts and flags management functions *****************************/
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void HASH_ITConfig(uint32_t HASH_IT, FunctionalState NewState);
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FlagStatus HASH_GetFlagStatus(uint32_t HASH_FLAG);
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void HASH_ClearFlag(uint32_t HASH_FLAG);
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ITStatus HASH_GetITStatus(uint32_t HASH_IT);
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void HASH_ClearITPendingBit(uint32_t HASH_IT);
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/* High Level SHA1 functions **************************************************/
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ErrorStatus HASH_SHA1(uint8_t *Input, uint32_t Ilen, uint8_t Output[20]);
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ErrorStatus HMAC_SHA1(uint8_t *Key, uint32_t Keylen,
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uint8_t *Input, uint32_t Ilen,
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uint8_t Output[20]);
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/* High Level MD5 functions ***************************************************/
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ErrorStatus HASH_MD5(uint8_t *Input, uint32_t Ilen, uint8_t Output[16]);
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ErrorStatus HMAC_MD5(uint8_t *Key, uint32_t Keylen,
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uint8_t *Input, uint32_t Ilen,
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uint8_t Output[16]);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__STM32F4xx_HASH_H */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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