//***************************************************************************** // // aes.h - Defines and Macros for the AES module. // // Copyright (c) 2012-2014 Texas Instruments Incorporated. All rights reserved. // Software License Agreement // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // // Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // // Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the // distribution. // // Neither the name of Texas Instruments Incorporated nor the names of // its contributors may be used to endorse or promote products derived // from this software without specific prior written permission. // // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. // // This is part of revision 2.1.0.12573 of the Tiva Peripheral Driver Library. // //***************************************************************************** #ifndef __DRIVERLIB_AES_H__ #define __DRIVERLIB_AES_H__ //***************************************************************************** // // If building with a C++ compiler, make all of the definitions in this header // have a C binding. // //***************************************************************************** #ifdef __cplusplus extern "C" { #endif //***************************************************************************** // // The following defines are used to specify the operation direction in the // ui32Config argument in the AESConfig function. Only one is permitted. // //***************************************************************************** #define AES_CFG_DIR_ENCRYPT 0x00000004 #define AES_CFG_DIR_DECRYPT 0x00000000 //***************************************************************************** // // The following defines are used to specify the key size in the ui32Config // argument in the AESConfig function. Only one is permitted. // //***************************************************************************** #define AES_CFG_KEY_SIZE_128BIT 0x00000008 #define AES_CFG_KEY_SIZE_192BIT 0x00000010 #define AES_CFG_KEY_SIZE_256BIT 0x00000018 //***************************************************************************** // // The following defines are used to specify the mode of operation in the // ui32Config argument in the AESConfig function. Only one is permitted. // //***************************************************************************** #define AES_CFG_MODE_M 0x2007fe60 #define AES_CFG_MODE_ECB 0x00000000 #define AES_CFG_MODE_CBC 0x00000020 #define AES_CFG_MODE_CTR 0x00000040 #define AES_CFG_MODE_ICM 0x00000200 #define AES_CFG_MODE_CFB 0x00000400 #define AES_CFG_MODE_XTS_TWEAKJL \ 0x00000800 #define AES_CFG_MODE_XTS_K2IJL \ 0x00001000 #define AES_CFG_MODE_XTS_K2ILJ0 \ 0x00001800 #define AES_CFG_MODE_F8 0x00002000 #define AES_CFG_MODE_F9 0x20004000 #define AES_CFG_MODE_CBCMAC 0x20008000 #define AES_CFG_MODE_GCM_HLY0ZERO \ 0x20010000 #define AES_CFG_MODE_GCM_HLY0CALC \ 0x20020040 #define AES_CFG_MODE_GCM_HY0CALC \ 0x20030040 #define AES_CFG_MODE_CCM 0x20040040 //***************************************************************************** // // The following defines are used to specify the counter width in the // ui32Config argument in the AESConfig function. It is only required to // be defined when using CTR, CCM, or GCM modes. Only one length is permitted. // //***************************************************************************** #define AES_CFG_CTR_WIDTH_32 0x00000000 #define AES_CFG_CTR_WIDTH_64 0x00000080 #define AES_CFG_CTR_WIDTH_96 0x00000100 #define AES_CFG_CTR_WIDTH_128 0x00000180 //***************************************************************************** // // The following defines are used to define the width of the length field for // CCM operation through the ui32Config argument in the AESConfig function. // This value is also known as L. Only one is permitted. // //***************************************************************************** #define AES_CFG_CCM_L_1 0x00000000 #define AES_CFG_CCM_L_2 0x00080000 #define AES_CFG_CCM_L_3 0x00100000 #define AES_CFG_CCM_L_4 0x00180000 #define AES_CFG_CCM_L_5 0x00200000 #define AES_CFG_CCM_L_6 0x00280000 #define AES_CFG_CCM_L_7 0x00300000 #define AES_CFG_CCM_L_8 0x00380000 //***************************************************************************** // // The following defines are used to define the length of the authentication // field for CCM operations through the ui32Config argument in the AESConfig // function. This value is also known as M. Only one is permitted. // //***************************************************************************** #define AES_CFG_CCM_M_4 0x00400000 #define AES_CFG_CCM_M_6 0x00800000 #define AES_CFG_CCM_M_8 0x00c00000 #define AES_CFG_CCM_M_10 0x01000000 #define AES_CFG_CCM_M_12 0x01400000 #define AES_CFG_CCM_M_14 0x01800000 #define AES_CFG_CCM_M_16 0x01c00000 //***************************************************************************** // // Interrupt flags for use with the AESIntEnable, AESIntDisable, and // AESIntStatus functions. // //***************************************************************************** #define AES_INT_CONTEXT_IN 0x00000001 #define AES_INT_CONTEXT_OUT 0x00000008 #define AES_INT_DATA_IN 0x00000002 #define AES_INT_DATA_OUT 0x00000004 #define AES_INT_DMA_CONTEXT_IN 0x00010000 #define AES_INT_DMA_CONTEXT_OUT 0x00080000 #define AES_INT_DMA_DATA_IN 0x00020000 #define AES_INT_DMA_DATA_OUT 0x00040000 //***************************************************************************** // // Defines used when enabling and disabling DMA requests in the // AESEnableDMA and AESDisableDMA functions. // //***************************************************************************** #define AES_DMA_DATA_IN 0x00000020 #define AES_DMA_DATA_OUT 0x00000040 #define AES_DMA_CONTEXT_IN 0x00000080 #define AES_DMA_CONTEXT_OUT 0x00000100 //***************************************************************************** // // Function prototypes. // //***************************************************************************** extern void AESAuthLengthSet(uint32_t ui32Base, uint32_t ui32Length); extern void AESConfigSet(uint32_t ui32Base, uint32_t ui32Config); extern void AESDataRead(uint32_t ui32Base, uint32_t *pui32Dest); extern bool AESDataReadNonBlocking(uint32_t ui32Base, uint32_t *pui32Dest); extern bool AESDataProcess(uint32_t ui32Base, uint32_t *pui32Src, uint32_t *pui32Dest, uint32_t ui32Length); extern bool AESDataAuth(uint32_t ui32Base, uint32_t *pui32Src, uint32_t ui32Length, uint32_t *pui32Tag); extern bool AESDataProcessAuth(uint32_t ui32Base, uint32_t *pui32Src, uint32_t *pui32Dest, uint32_t ui32Length, uint32_t *pui32AuthSrc, uint32_t ui32AuthLength, uint32_t *pui32Tag); extern void AESDataWrite(uint32_t ui32Base, uint32_t *pui32Src); extern bool AESDataWriteNonBlocking(uint32_t ui32Base, uint32_t *pui32Src); extern void AESDMADisable(uint32_t ui32Base, uint32_t ui32Flags); extern void AESDMAEnable(uint32_t ui32Base, uint32_t ui32Flags); extern void AESIntClear(uint32_t ui32Base, uint32_t ui32IntFlags); extern void AESIntDisable(uint32_t ui32Base, uint32_t ui32IntFlags); extern void AESIntEnable(uint32_t ui32Base, uint32_t ui32IntFlags); extern void AESIntRegister(uint32_t ui32Base, void (*pfnHandler)(void)); extern uint32_t AESIntStatus(uint32_t ui32Base, bool bMasked); extern void AESIntUnregister(uint32_t ui32Base); extern void AESIVSet(uint32_t ui32Base, uint32_t *pui32IVdata); extern void AESIVRead(uint32_t ui32Base, uint32_t *pui32IVdata); extern void AESKey1Set(uint32_t ui32Base, uint32_t *pui32Key, uint32_t ui32Keysize); extern void AESKey2Set(uint32_t ui32Base, uint32_t *pui32Key, uint32_t ui32Keysize); extern void AESKey3Set(uint32_t ui32Base, uint32_t *pui32Key); extern void AESLengthSet(uint32_t ui32Base, uint64_t ui64Length); extern void AESReset(uint32_t ui32Base); extern void AESTagRead(uint32_t ui32Base, uint32_t *pui32TagData); //***************************************************************************** // // Mark the end of the C bindings section for C++ compilers. // //***************************************************************************** #ifdef __cplusplus } #endif #endif // __DRIVERLIB_AES_H__