/****************************************************************************** * Copyright (C) 2023 Maxim Integrated Products, Inc., All Rights Reserved. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. * IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES * OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Except as contained in this notice, the name of Maxim Integrated * Products, Inc. shall not be used except as stated in the Maxim Integrated * Products, Inc. Branding Policy. * * The mere transfer of this software does not imply any licenses * of trade secrets, proprietary technology, copyrights, patents, * trademarks, maskwork rights, or any other form of intellectual * property whatsoever. Maxim Integrated Products, Inc. retains all * ownership rights. * ******************************************************************************/ #ifndef LIBRARIES_PERIPHDRIVERS_SOURCE_AES_AES_REVB_H_ #define LIBRARIES_PERIPHDRIVERS_SOURCE_AES_AES_REVB_H_ #include <stdint.h> #include "mxc_aes.h" #include "aes_revb_regs.h" #include "aeskeys_revb_regs.h" #include "trng_revb_regs.h" /** * @brief Enumeration type to select AES key * */ typedef enum { MXC_AES_REVB_128BITS = MXC_S_AES_REVB_CTRL_KEY_SIZE_AES128, ///< Select AES-128 bit key MXC_AES_REVB_192BITS = MXC_S_AES_REVB_CTRL_KEY_SIZE_AES192, ///< Select AES-192 bit key MXC_AES_REVB_256BITS = MXC_S_AES_REVB_CTRL_KEY_SIZE_AES256, ///< Select AES-256 bit key } mxc_aes_revb_keys_t; /** * @brief Enumeration type to select AES key source and encryption type * */ typedef enum { MXC_AES_REVB_ENCRYPT_EXT_KEY = 0, ///< Encryption using External key MXC_AES_REVB_DECRYPT_EXT_KEY = 1, ///< Encryption using internal key MXC_AES_REVB_DECRYPT_INT_KEY = 2 ///< Decryption using internal key } mxc_aes_revb_enc_type_t; /** * @brief Structure used to set up AES request * */ typedef struct _mxc_aes_revb_cipher_req_t { uint32_t length; ///< Length of the data uint32_t *inputData; ///< Pointer to input data uint32_t *resultData; ///< Pointer to encrypted data mxc_aes_revb_keys_t keySize; ///< Size of AES key mxc_aes_revb_enc_type_t encryption; ///< Encrytion type or \ref mxc_aes_enc_type_t mxc_aes_complete_t callback; ///< Callback function } mxc_aes_revb_req_t; int MXC_AES_RevB_Init(mxc_aes_revb_regs_t *aes); void MXC_AES_RevB_EnableInt(mxc_aes_revb_regs_t *aes, uint32_t interrupt); void MXC_AES_RevB_DisableInt(mxc_aes_revb_regs_t *aes, uint32_t interrupt); int MXC_AES_RevB_IsBusy(mxc_aes_revb_regs_t *aes); int MXC_AES_RevB_Shutdown(mxc_aes_revb_regs_t *aes); void MXC_AES_RevB_GenerateKey(mxc_trng_revb_regs_t *trng); void MXC_AES_RevB_SetKeySize(mxc_aes_revb_regs_t *aes, mxc_aes_revb_keys_t key); mxc_aes_keys_t MXC_AES_RevB_GetKeySize(mxc_aes_revb_regs_t *aes); void MXC_AES_RevB_FlushInputFIFO(mxc_aes_revb_regs_t *aes); void MXC_AES_RevB_FlushOutputFIFO(mxc_aes_revb_regs_t *aes); void MXC_AES_RevB_Start(mxc_aes_revb_regs_t *aes); uint32_t MXC_AES_RevB_GetFlags(mxc_aes_revb_regs_t *aes); void MXC_AES_RevB_ClearFlags(mxc_aes_revb_regs_t *aes, uint32_t flags); int MXC_AES_RevB_Generic(mxc_aes_revb_regs_t *aes, mxc_aes_revb_req_t *req); int MXC_AES_RevB_Encrypt(mxc_aes_revb_regs_t *aes, mxc_aes_revb_req_t *req); int MXC_AES_RevB_Decrypt(mxc_aes_revb_regs_t *aes, mxc_aes_revb_req_t *req); int MXC_AES_RevB_TXDMAConfig(void *src_addr, int len); int MXC_AES_RevB_RXDMAConfig(void *dest_addr, int len); int MXC_AES_RevB_GenericAsync(mxc_aes_revb_regs_t *aes, mxc_aes_revb_req_t *req, uint8_t enc); int MXC_AES_RevB_EncryptAsync(mxc_aes_revb_regs_t *aes, mxc_aes_revb_req_t *req); int MXC_AES_RevB_DecryptAsync(mxc_aes_revb_regs_t *aes, mxc_aes_revb_req_t *req); void MXC_AES_RevB_DMACallback(int ch, int error); void MXC_AES_RevB_SetExtKey(mxc_aeskeys_revb_regs_t *aeskey, const void *key, mxc_aes_keys_t len); #endif // LIBRARIES_PERIPHDRIVERS_SOURCE_AES_AES_REVB_H_