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121 lines
5.0 KiB
121 lines
5.0 KiB
/***************************************************************************** |
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* Copyright (c) 2019, Nations Technologies Inc. |
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* |
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* All rights reserved. |
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* **************************************************************************** |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright notice, |
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* this list of conditions and the disclaimer below. |
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* |
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* Nations' name may not be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY NATIONS "AS IS" AND ANY EXPRESS OR |
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE |
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* DISCLAIMED. IN NO EVENT SHALL NATIONS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, |
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* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
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* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* ****************************************************************************/ |
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/** |
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* @file n32g45x_des.h |
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* @author Nations |
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* @version v1.0.0 |
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* |
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* @copyright Copyright (c) 2019, Nations Technologies Inc. All rights reserved. |
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*/ |
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#ifndef __N32G45X_DES_H__ |
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#define __N32G45X_DES_H__ |
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#include <stdint.h> |
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/** @addtogroup N32G45X_Algorithm_Library |
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* @{ |
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*/ |
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/** @addtogroup DES |
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* @brief DES symmetrical cipher algorithm |
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* @{ |
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*/ |
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#define DES_ECB (0x11111111) |
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#define DES_CBC (0x22222222) |
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#define DES_ENC (0x33333333) |
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#define DES_DEC (0x44444444) |
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#define DES_KEY (0x55555555) |
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#define TDES_2KEY (0x66666666) |
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#define TDES_3KEY (0x77777777) |
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enum DES |
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{ |
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DES_Crypto_OK = 0x0, // DES/TDES opreation success |
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DES_Init_OK = 0x0, // DES/TDES Init opreation success |
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DES_Crypto_ModeError = 0x5a5a5a5a, // Working mode error(Neither ECB nor CBC) |
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DES_Crypto_EnOrDeError, // En&De error(Neither encryption nor decryption) |
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DES_Crypto_ParaNull, // the part of input(output/iv) Null |
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DES_Crypto_LengthError, // the length of input message must be 2 times and cannot be zero |
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DES_Crypto_KeyError, // keyMode error(Neither DES_KEY nor TDES_2KEY nor TDES_3KEY) |
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DES_Crypto_UnInitError, // DES/TDES uninitialized |
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}; |
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typedef struct |
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{ |
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uint32_t* in; // the part of input to be encrypted or decrypted |
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uint32_t* iv; // the part of initial vector |
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uint32_t* out; // the part of out |
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uint32_t* key; // the part of key |
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uint32_t inWordLen; // the length(by word) of plaintext or cipher |
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uint32_t En_De; // 0x33333333- encrypt, 0x44444444 - decrypt |
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uint32_t Mode; // 0x11111111 - ECB, 0x22222222 - CBC |
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uint32_t keyMode; // TDES key mode: 0x55555555-key,0x66666666-2key, 0x77777777-3key |
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} DES_PARM; |
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/** |
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* @brief DES_Init |
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* @return DES_Init_OK, DES/TDES Init success; othets: DES/TDES Init fail |
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* @note |
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*/ |
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uint32_t DES_Init(DES_PARM* parm); |
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/** |
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* @brief DES crypto |
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* @param[in] parm pointer to DES/TDES context and the detail please refer to struct DES_PARM in DES.h |
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* @return DES_Crypto_OK, DES/TDES crypto success; othets: DES/TDES crypto fail(reference to the definition by enum variation) |
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* @note 1.Please refer to the demo in user guidance before using this function |
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* 2.Input and output can be the same buffer |
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* 3. IV can be NULL when ECB mode |
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* 4. The word lengrh of message must be as times as 2. |
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* 5. If the input is in byte, make sure align by word. |
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*/ |
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uint32_t DES_Crypto(DES_PARM* parm); |
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/** |
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* @brief DES close |
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* @return none |
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* @note if you want to close DES algorithm, this function can be recalled. |
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*/ |
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void DES_Close(void); |
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/** |
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* @brief Get DES/TDES lib version |
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* @param[out] type pointer one byte type information represents the type of the lib, like Commercial version.\ |
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* @Bits 0~4 stands for Commercial (C), Security (S), Normal (N), Evaluation (E), Test (T), Bits 5~7 are reserved. e.g. 0x09 stands for CE version. |
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* @param[out] customer pointer one byte customer information represents customer ID. for example, 0x00 stands for standard version, 0x01 is for Tianyu customized version... |
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* @param[out] date pointer array which include three bytes date information. If the returned bytes are 18,9,13,this denotes September 13,2018 |
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* @param[out] version pointer one byte version information represents develop version of the lib. e.g. 0x12 denotes version 1.2. |
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* @return none |
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* @1.You can recall this function to get DES/TDES lib information |
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*/ |
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void DES_Version(uint8_t* type, uint8_t* customer, uint8_t date[3], uint8_t* version); |
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#endif
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