/**************************************************************************//** * @file crypto.h * @version V1.10 * $Revision: 14 $ * $Date: 14/10/06 1:49p $ * @brief Cryptographic Accelerator driver header file * * @note * Copyright (C) 2014 Nuvoton Technology Corp. All rights reserved. ******************************************************************************/ #ifndef __CRYPTO_H__ #define __CRYPTO_H__ #ifdef __cplusplus extern "C" { #endif /** @addtogroup NUC472_442_Device_Driver NUC472/NUC442 Device Driver @{ */ /** @addtogroup NUC472_442_CRYPTO_Driver CRYPTO Driver @{ */ /** @addtogroup NUC472_442_CRYPTO_EXPORTED_CONSTANTS CRYPTO Exported Constants @{ */ #define PRNG_KEY_SIZE_64 0 /*!< Select to generate 64-bit random key \hideinitializer */ #define PRNG_KEY_SIZE_128 1 /*!< Select to generate 128-bit random key \hideinitializer */ #define PRNG_KEY_SIZE_192 2 /*!< Select to generate 192-bit random key \hideinitializer */ #define PRNG_KEY_SIZE_256 3 /*!< Select to generate 256-bit random key \hideinitializer */ #define PRNG_SEED_CONT 0 /*!< PRNG using current seed \hideinitializer */ #define PRNG_SEED_RELOAD 1 /*!< PRNG reload new seed \hideinitializer */ #define AES_KEY_SIZE_128 0 /*!< AES select 128-bit key length \hideinitializer */ #define AES_KEY_SIZE_192 1 /*!< AES select 192-bit key length \hideinitializer */ #define AES_KEY_SIZE_256 2 /*!< AES select 256-bit key length \hideinitializer */ #define AES_MODE_ECB 0 /*!< AES select ECB mode \hideinitializer */ #define AES_MODE_CBC 1 /*!< AES select CBC mode \hideinitializer */ #define AES_MODE_CFB 2 /*!< AES select CFB mode \hideinitializer */ #define AES_MODE_OFB 3 /*!< AES select OFB mode \hideinitializer */ #define AES_MODE_CTR 4 /*!< AES select CTR mode \hideinitializer */ #define AES_MODE_CBC_CS1 0x10 /*!< AES select CBC CS1 mode \hideinitializer */ #define AES_MODE_CBC_CS2 0x11 /*!< AES select CBC CS2 mode \hideinitializer */ #define AES_MODE_CBC_CS3 0x12 /*!< AES select CBC CS3 mode \hideinitializer */ #define AES_NO_SWAP 0 /*!< AES do not swap input and output data \hideinitializer */ #define AES_OUT_SWAP 1 /*!< AES swap output data \hideinitializer */ #define AES_IN_SWAP 2 /*!< AES swap input data \hideinitializer */ #define AES_IN_OUT_SWAP 3 /*!< AES swap both input and output data \hideinitializer */ #define DES_MODE_ECB 0x000 /*!< DES select ECB mode \hideinitializer */ #define DES_MODE_CBC 0x100 /*!< DES select CBC mode \hideinitializer */ #define DES_MODE_CFB 0x200 /*!< DES select CFB mode \hideinitializer */ #define DES_MODE_OFB 0x300 /*!< DES select OFB mode \hideinitializer */ #define DES_MODE_CTR 0x400 /*!< DES select CTR mode \hideinitializer */ #define TDES_MODE_ECB 0x004 /*!< TDES select ECB mode \hideinitializer */ #define TDES_MODE_CBC 0x104 /*!< TDES select CBC mode \hideinitializer */ #define TDES_MODE_CFB 0x204 /*!< TDES select CFB mode \hideinitializer */ #define TDES_MODE_OFB 0x304 /*!< TDES select OFB mode \hideinitializer */ #define TDES_MODE_CTR 0x404 /*!< TDES select CTR mode \hideinitializer */ #define TDES_NO_SWAP 0 /*!< TDES do not swap data \hideinitializer */ #define TDES_WHL_SWAP 1 /*!< TDES swap high-low word \hideinitializer */ #define TDES_OUT_SWAP 2 /*!< TDES swap output data \hideinitializer */ #define TDES_OUT_WHL_SWAP 3 /*!< TDES swap output data and high-low word \hideinitializer */ #define TDES_IN_SWAP 4 /*!< TDES swap input data \hideinitializer */ #define TDES_IN_WHL_SWAP 5 /*!< TDES swap input data and high-low word \hideinitializer */ #define TDES_IN_OUT_SWAP 6 /*!< TDES swap both input and output data \hideinitializer */ #define TDES_IN_OUT_WHL_SWAP 7 /*!< TDES swap input, output and high-low word \hideinitializer */ #define SHA_MODE_SHA1 0 /*!< SHA select SHA-1 160-bit \hideinitializer */ #define SHA_MODE_SHA224 5 /*!< SHA select SHA-224 224-bit \hideinitializer */ #define SHA_MODE_SHA256 4 /*!< SHA select SHA-256 256-bit \hideinitializer */ #define SHA_NO_SWAP 0 /*!< SHA do not swap input and output data \hideinitializer */ #define SHA_OUT_SWAP 1 /*!< SHA swap output data \hideinitializer */ #define SHA_IN_SWAP 2 /*!< SHA swap input data \hideinitializer */ #define SHA_IN_OUT_SWAP 3 /*!< SHA swap both input and output data \hideinitializer */ #define CRYPTO_DMA_ONE_SHOT 0x5 /*!< Do one shot encrypt/decrypt with DMA \hideinitializer */ #define CRYPTO_DMA_CONTINUE 0x6 /*!< Do one continuous encrypt/decrypt with DMA \hideinitializer */ #define CRYPTO_DMA_LAST 0x6 /*!< Do last encrypt/decrypt with DMA \hideinitializer */ /*@}*/ /* end of group NUC472_442_CRYPTO_EXPORTED_CONSTANTS */ /** @addtogroup NUC472_442_CRYPTO_EXPORTED_FUNCTIONS CRYPTO Exported Functions @{ */ /*----------------------------------------------------------------------------------------------*/ /* Macros */ /*----------------------------------------------------------------------------------------------*/ /** * @brief This macro enables PRNG interrupt. * @param None * @return None * \hideinitializer */ #define PRNG_ENABLE_INT() (CRPT->INTEN |= CRPT_INTEN_PRNGIEN_Msk) /** * @brief This macro disables PRNG interrupt. * @param None * @return None * \hideinitializer */ #define PRNG_DISABLE_INT() (CRPT->INTEN &= ~CRPT_INTEN_PRNGIEN_Msk) /** * @brief This macro gets PRNG interrupt flag. * @param None * @return PRNG interrupt flag. * \hideinitializer */ #define PRNG_GET_INT_FLAG() (CRPT->INTSTS & CRPT_INTSTS_PRNGIF_Msk) /** * @brief This macro clears PRNG interrupt flag. * @param None * @return None * \hideinitializer */ #define PRNG_CLR_INT_FLAG() (CRPT->INTSTS = CRPT_INTSTS_PRNGIF_Msk) /** * @brief This macro enables AES interrupt. * @param None * @return None * \hideinitializer */ #define AES_ENABLE_INT() (CRPT->INTEN |= (CRPT_INTEN_AESIEN_Msk|CRPT_INTEN_AESERRIEN_Msk)) /** * @brief This macro disables AES interrupt. * @param None * @return None * \hideinitializer */ #define AES_DISABLE_INT() (CRPT->INTEN &= ~(CRPT_INTEN_AESIEN_Msk|CRPT_INTEN_AESERRIEN_Msk)) /** * @brief This macro gets AES interrupt flag. * @param None * @return AES interrupt flag. * \hideinitializer */ #define AES_GET_INT_FLAG() (CRPT->INTSTS & (CRPT_INTSTS_AESIF_Msk|CRPT_INTSTS_AESERRIF_Msk)) /** * @brief This macro clears AES interrupt flag. * @param None * @return None * \hideinitializer */ #define AES_CLR_INT_FLAG() (CRPT->INTSTS = (CRPT_INTSTS_AESIF_Msk|CRPT_INTSTS_AESERRIF_Msk)) /** * @brief This macro enables AES key protection. * @param None * @return None * \hideinitializer */ #define AES_ENABLE_KEY_PROTECT() (CRPT->AES_CTL |= CRPT_AES_CTL_KEYPRT_Msk) /** * @brief This macro disables AES key protection. * @param None * @return None * \hideinitializer */ #define AES_DISABLE_KEY_PROTECT() (CRPT->AES_CTL = (CRPT->AES_CTL & ~CRPT_AES_CTL_KEYPRT_Msk) | (0x16<INTEN |= (CRPT_INTEN_TDESIEN_Msk|CRPT_INTEN_TDESERRIEN_Msk)) /** * @brief This macro disables TDES interrupt. * @param None * @return None * \hideinitializer */ #define TDES_DISABLE_INT() (CRPT->INTEN &= ~(CRPT_INTEN_TDESIEN_Msk|CRPT_INTEN_TDESERRIEN_Msk)) /** * @brief This macro gets TDES interrupt flag. * @param None * @return TDES interrupt flag. * \hideinitializer */ #define TDES_GET_INT_FLAG() (CRPT->INTSTS & (CRPT_INTSTS_TDESIF_Msk|CRPT_INTSTS_TDESERRIF_Msk)) /** * @brief This macro clears TDES interrupt flag. * @param None * @return None * \hideinitializer */ #define TDES_CLR_INT_FLAG() (CRPT->INTSTS = (CRPT_INTSTS_TDESIF_Msk|CRPT_INTSTS_TDESERRIF_Msk)) /** * @brief This macro enables TDES key protection. * @param None * @return None * \hideinitializer */ #define TDES_ENABLE_KEY_PROTECT() (CRPT->TDES_CTL |= CRPT_TDES_CTL_KEYPRT_Msk) /** * @brief This macro disables TDES key protection. * @param None * @return None * \hideinitializer */ #define TDES_DISABLE_KEY_PROTECT() (CRPT->TDES_CTL = (CRPT->TDES_CTL & ~CRPT_TDES_CTL_KEYPRT_Msk) | (0x16<INTEN |= (CRPT_INTEN_SHAIEN_Msk|CRPT_INTEN_SHAERRIEN_Msk)) /** * @brief This macro disables SHA interrupt. * @param None * @return None * \hideinitializer */ #define SHA_DISABLE_INT() (CRPT->INTEN &= ~(CRPT_INTEN_SHAIEN_Msk|CRPT_INTEN_SHAERRIEN_Msk)) /** * @brief This macro gets SHA interrupt flag. * @param None * @return SHA interrupt flag. * \hideinitializer */ #define SHA_GET_INT_FLAG() (CRPT->INTSTS & (CRPT_INTSTS_SHAIF_Msk|CRPT_INTSTS_SHAERRIF_Msk)) /** * @brief This macro clears SHA interrupt flag. * @param None * @return None * \hideinitializer */ #define SHA_CLR_INT_FLAG() (CRPT->INTSTS = (CRPT_INTSTS_SHAIF_Msk|CRPT_INTSTS_SHAERRIF_Msk)) /*---------------------------------------------------------------------------------------------------------*/ /* Functions */ /*---------------------------------------------------------------------------------------------------------*/ void PRNG_Open(uint32_t u32KeySize, uint32_t u32SeedReload, uint32_t u32Seed); void PRNG_Start(void); void PRNG_Read(uint32_t u32RandKey[]); void AES_Open(uint32_t u32Channel, uint32_t u32EncDec, uint32_t u32OpMode, uint32_t u32KeySize, uint32_t u32SwapType); void AES_Start(int32_t u32Channel, uint32_t u32DMAMode); void AES_SetKey(uint32_t u32Channel, uint32_t au32Keys[], uint32_t u32KeySize); void AES_SetInitVect(uint32_t u32Channel, uint32_t au32IV[]); void AES_SetDMATransfer(uint32_t u32Channel, uint32_t u32SrcAddr, uint32_t u32DstAddr, uint32_t u32TransCnt); void TDES_Open(uint32_t u32Channel, uint32_t u32EncDec, uint32_t u32OpMode, uint32_t u32SwapType); void TDES_Start(int32_t u32Channel, uint32_t u32DMAMode); void TDES_SetKey(uint32_t u32Channel, uint8_t au8Keys[3][8]); void TDES_SetInitVect(uint32_t u32Channel, uint32_t u32IVH, uint32_t u32IVL); void TDES_SetDMATransfer(uint32_t u32Channel, uint32_t u32SrcAddr, uint32_t u32DstAddr, uint32_t u32TransCnt); void SHA_Open(uint32_t u32OpMode, uint32_t u32SwapType); void SHA_Start(uint32_t u32DMAMode); void SHA_SetDMATransfer(uint32_t u32SrcAddr, uint32_t u32TransCnt); void SHA_Read(uint32_t u32Digest[]); /*@}*/ /* end of group NUC472_442_CRYPTO_EXPORTED_FUNCTIONS */ /*@}*/ /* end of group NUC472_442_CRYPTO_Driver */ /*@}*/ /* end of group NUC472_442_Device_Driver */ #ifdef __cplusplus } #endif #endif // __CRYPTO_H__ /*** (C) COPYRIGHT 2013 Nuvoton Technology Corp. ***/