339 lines
12 KiB
C
339 lines
12 KiB
C
/**
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******************************************************************************
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* @file stm32f2xx_cryp.h
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* @author MCD Application Team
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* @version V1.0.0
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* @date 18-April-2011
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* @brief This file contains all the functions prototypes for the Cryptographic
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* processor(CRYP) firmware library.
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******************************************************************************
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* @attention
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*
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* THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
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* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
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* TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
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* DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
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* FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
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* CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*
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* <h2><center>© COPYRIGHT 2011 STMicroelectronics</center></h2>
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******************************************************************************
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*/
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/* Define to prevent recursive inclusion -------------------------------------*/
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#ifndef __STM32F2xx_CRYP_H
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#define __STM32F2xx_CRYP_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 "stm32f2xx.h"
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/** @addtogroup STM32F2xx_StdPeriph_Driver
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* @{
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*/
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/** @addtogroup CRYP
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* @{
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*/
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/* Exported types ------------------------------------------------------------*/
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/**
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* @brief CRYP Init structure definition
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*/
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typedef struct
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{
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uint16_t CRYP_AlgoDir; /*!< Encrypt or Decrypt. This parameter can be a
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value of @ref CRYP_Algorithm_Direction */
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uint16_t CRYP_AlgoMode; /*!< TDES-ECB, TDES-CBC, DES-ECB, DES-CBC, AES-ECB,
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AES-CBC, AES-CTR, AES-Key. This parameter can be
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a value of @ref CRYP_Algorithm_Mode */
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uint16_t CRYP_DataType; /*!< 32-bit data, 16-bit data, bit data or bit-string.
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This parameter can be a value of @ref CRYP_Data_Type */
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uint16_t CRYP_KeySize; /*!< Used only in AES mode only : 128, 192 or 256 bit
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key length. This parameter can be a value of
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@ref CRYP_Key_Size_for_AES_only */
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}CRYP_InitTypeDef;
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/**
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* @brief CRYP Key(s) structure definition
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*/
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typedef struct
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{
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uint32_t CRYP_Key0Left; /*!< Key 0 Left */
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uint32_t CRYP_Key0Right; /*!< Key 0 Right */
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uint32_t CRYP_Key1Left; /*!< Key 1 left */
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uint32_t CRYP_Key1Right; /*!< Key 1 Right */
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uint32_t CRYP_Key2Left; /*!< Key 2 left */
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uint32_t CRYP_Key2Right; /*!< Key 2 Right */
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uint32_t CRYP_Key3Left; /*!< Key 3 left */
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uint32_t CRYP_Key3Right; /*!< Key 3 Right */
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}CRYP_KeyInitTypeDef;
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/**
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* @brief CRYP Initialization Vectors (IV) structure definition
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*/
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typedef struct
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{
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uint32_t CRYP_IV0Left; /*!< Init Vector 0 Left */
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uint32_t CRYP_IV0Right; /*!< Init Vector 0 Right */
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uint32_t CRYP_IV1Left; /*!< Init Vector 1 left */
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uint32_t CRYP_IV1Right; /*!< Init Vector 1 Right */
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}CRYP_IVInitTypeDef;
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/**
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* @brief CRYP context swapping structure definition
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*/
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typedef struct
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{
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/*!< Configuration */
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uint32_t CR_bits9to2;
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/*!< KEY */
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uint32_t CRYP_IV0LR;
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uint32_t CRYP_IV0RR;
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uint32_t CRYP_IV1LR;
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uint32_t CRYP_IV1RR;
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/*!< IV */
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uint32_t CRYP_K0LR;
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uint32_t CRYP_K0RR;
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uint32_t CRYP_K1LR;
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uint32_t CRYP_K1RR;
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uint32_t CRYP_K2LR;
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uint32_t CRYP_K2RR;
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uint32_t CRYP_K3LR;
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uint32_t CRYP_K3RR;
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}CRYP_Context;
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/* Exported constants --------------------------------------------------------*/
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/** @defgroup CRYP_Exported_Constants
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* @{
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*/
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/** @defgroup CRYP_Algorithm_Direction
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* @{
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*/
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#define CRYP_AlgoDir_Encrypt ((uint16_t)0x0000)
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#define CRYP_AlgoDir_Decrypt ((uint16_t)0x0004)
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#define IS_CRYP_ALGODIR(ALGODIR) (((ALGODIR) == CRYP_AlgoDir_Encrypt) || \
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((ALGODIR) == CRYP_AlgoDir_Decrypt))
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/**
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* @}
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*/
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/** @defgroup CRYP_Algorithm_Mode
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* @{
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*/
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/*!< TDES Modes */
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#define CRYP_AlgoMode_TDES_ECB ((uint16_t)0x0000)
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#define CRYP_AlgoMode_TDES_CBC ((uint16_t)0x0008)
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/*!< DES Modes */
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#define CRYP_AlgoMode_DES_ECB ((uint16_t)0x0010)
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#define CRYP_AlgoMode_DES_CBC ((uint16_t)0x0018)
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/*!< AES Modes */
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#define CRYP_AlgoMode_AES_ECB ((uint16_t)0x0020)
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#define CRYP_AlgoMode_AES_CBC ((uint16_t)0x0028)
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#define CRYP_AlgoMode_AES_CTR ((uint16_t)0x0030)
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#define CRYP_AlgoMode_AES_Key ((uint16_t)0x0038)
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#define IS_CRYP_ALGOMODE(ALGOMODE) (((ALGOMODE) == CRYP_AlgoMode_TDES_ECB) || \
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((ALGOMODE) == CRYP_AlgoMode_TDES_CBC)|| \
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((ALGOMODE) == CRYP_AlgoMode_DES_ECB)|| \
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((ALGOMODE) == CRYP_AlgoMode_DES_CBC) || \
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((ALGOMODE) == CRYP_AlgoMode_AES_ECB) || \
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((ALGOMODE) == CRYP_AlgoMode_AES_CBC) || \
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((ALGOMODE) == CRYP_AlgoMode_AES_CTR) || \
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((ALGOMODE) == CRYP_AlgoMode_AES_Key))
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/**
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* @}
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*/
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/** @defgroup CRYP_Data_Type
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* @{
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*/
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#define CRYP_DataType_32b ((uint16_t)0x0000)
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#define CRYP_DataType_16b ((uint16_t)0x0040)
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#define CRYP_DataType_8b ((uint16_t)0x0080)
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#define CRYP_DataType_1b ((uint16_t)0x00C0)
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#define IS_CRYP_DATATYPE(DATATYPE) (((DATATYPE) == CRYP_DataType_32b) || \
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((DATATYPE) == CRYP_DataType_16b)|| \
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((DATATYPE) == CRYP_DataType_8b)|| \
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((DATATYPE) == CRYP_DataType_1b))
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/**
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* @}
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*/
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/** @defgroup CRYP_Key_Size_for_AES_only
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* @{
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*/
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#define CRYP_KeySize_128b ((uint16_t)0x0000)
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#define CRYP_KeySize_192b ((uint16_t)0x0100)
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#define CRYP_KeySize_256b ((uint16_t)0x0200)
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#define IS_CRYP_KEYSIZE(KEYSIZE) (((KEYSIZE) == CRYP_KeySize_128b)|| \
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((KEYSIZE) == CRYP_KeySize_192b)|| \
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((KEYSIZE) == CRYP_KeySize_256b))
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/**
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* @}
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*/
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/** @defgroup CRYP_flags_definition
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* @{
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*/
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#define CRYP_FLAG_BUSY ((uint8_t)0x10) /*!< The CRYP core is currently
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processing a block of data
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or a key preparation (for
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AES decryption). */
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#define CRYP_FLAG_IFEM ((uint8_t)0x01) /*!< Input Fifo Empty */
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#define CRYP_FLAG_IFNF ((uint8_t)0x02) /*!< Input Fifo is Not Full */
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#define CRYP_FLAG_INRIS ((uint8_t)0x22) /*!< Raw interrupt pending */
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#define CRYP_FLAG_OFNE ((uint8_t)0x04) /*!< Input Fifo service raw
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interrupt status */
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#define CRYP_FLAG_OFFU ((uint8_t)0x08) /*!< Output Fifo is Full */
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#define CRYP_FLAG_OUTRIS ((uint8_t)0x21) /*!< Output Fifo service raw
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interrupt status */
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#define IS_CRYP_GET_FLAG(FLAG) (((FLAG) == CRYP_FLAG_IFEM) || \
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((FLAG) == CRYP_FLAG_IFNF) || \
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((FLAG) == CRYP_FLAG_OFNE) || \
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((FLAG) == CRYP_FLAG_OFFU) || \
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((FLAG) == CRYP_FLAG_BUSY) || \
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((FLAG) == CRYP_FLAG_OUTRIS)|| \
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((FLAG) == CRYP_FLAG_INRIS))
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/**
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* @}
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*/
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/** @defgroup CRYP_interrupts_definition
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* @{
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*/
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#define CRYP_IT_INI ((uint8_t)0x01) /*!< IN Fifo Interrupt */
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#define CRYP_IT_OUTI ((uint8_t)0x02) /*!< OUT Fifo Interrupt */
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#define IS_CRYP_CONFIG_IT(IT) ((((IT) & (uint8_t)0xFC) == 0x00) && ((IT) != 0x00))
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#define IS_CRYP_GET_IT(IT) (((IT) == CRYP_IT_INI) || ((IT) == CRYP_IT_OUTI))
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/**
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* @}
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*/
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/** @defgroup CRYP_Encryption_Decryption_modes_definition
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* @{
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*/
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#define MODE_ENCRYPT ((uint8_t)0x01)
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#define MODE_DECRYPT ((uint8_t)0x00)
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/**
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* @}
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*/
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/** @defgroup CRYP_DMA_transfer_requests
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* @{
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*/
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#define CRYP_DMAReq_DataIN ((uint8_t)0x01)
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#define CRYP_DMAReq_DataOUT ((uint8_t)0x02)
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#define IS_CRYP_DMAREQ(DMAREQ) ((((DMAREQ) & (uint8_t)0xFC) == 0x00) && ((DMAREQ) != 0x00))
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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 CRYP configuration to the default reset state ****/
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void CRYP_DeInit(void);
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/* CRYP Initialization and Configuration functions ****************************/
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void CRYP_Init(CRYP_InitTypeDef* CRYP_InitStruct);
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void CRYP_StructInit(CRYP_InitTypeDef* CRYP_InitStruct);
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void CRYP_KeyInit(CRYP_KeyInitTypeDef* CRYP_KeyInitStruct);
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void CRYP_KeyStructInit(CRYP_KeyInitTypeDef* CRYP_KeyInitStruct);
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void CRYP_IVInit(CRYP_IVInitTypeDef* CRYP_IVInitStruct);
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void CRYP_IVStructInit(CRYP_IVInitTypeDef* CRYP_IVInitStruct);
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void CRYP_Cmd(FunctionalState NewState);
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/* CRYP Data processing functions *********************************************/
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void CRYP_DataIn(uint32_t Data);
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uint32_t CRYP_DataOut(void);
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void CRYP_FIFOFlush(void);
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/* CRYP Context swapping functions ********************************************/
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ErrorStatus CRYP_SaveContext(CRYP_Context* CRYP_ContextSave,
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CRYP_KeyInitTypeDef* CRYP_KeyInitStruct);
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void CRYP_RestoreContext(CRYP_Context* CRYP_ContextRestore);
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/* CRYP's DMA interface function **********************************************/
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void CRYP_DMACmd(uint8_t CRYP_DMAReq, FunctionalState NewState);
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/* Interrupts and flags management functions **********************************/
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void CRYP_ITConfig(uint8_t CRYP_IT, FunctionalState NewState);
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ITStatus CRYP_GetITStatus(uint8_t CRYP_IT);
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FlagStatus CRYP_GetFlagStatus(uint8_t CRYP_FLAG);
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/* High Level AES functions **************************************************/
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ErrorStatus CRYP_AES_ECB(uint8_t Mode,
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uint8_t *Key, uint16_t Keysize,
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uint8_t *Input, uint32_t Ilength,
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uint8_t *Output);
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ErrorStatus CRYP_AES_CBC(uint8_t Mode,
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uint8_t InitVectors[16],
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uint8_t *Key, uint16_t Keysize,
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uint8_t *Input, uint32_t Ilength,
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uint8_t *Output);
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ErrorStatus CRYP_AES_CTR(uint8_t Mode,
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uint8_t InitVectors[16],
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uint8_t *Key, uint16_t Keysize,
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uint8_t *Input, uint32_t Ilength,
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uint8_t *Output);
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/* High Level TDES functions **************************************************/
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ErrorStatus CRYP_TDES_ECB(uint8_t Mode,
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uint8_t Key[24],
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uint8_t *Input, uint32_t Ilength,
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uint8_t *Output);
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ErrorStatus CRYP_TDES_CBC(uint8_t Mode,
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uint8_t Key[24],
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uint8_t InitVectors[8],
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uint8_t *Input, uint32_t Ilength,
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uint8_t *Output);
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/* High Level DES functions **************************************************/
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ErrorStatus CRYP_DES_ECB(uint8_t Mode,
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uint8_t Key[8],
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uint8_t *Input, uint32_t Ilength,
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uint8_t *Output);
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ErrorStatus CRYP_DES_CBC(uint8_t Mode,
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uint8_t Key[8],
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uint8_t InitVectors[8],
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uint8_t *Input,uint32_t Ilength,
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uint8_t *Output);
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#ifdef __cplusplus
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}
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#endif
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#endif /*__STM32F2xx_CRYP_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 2011 STMicroelectronics *****END OF FILE****/
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