des.zip

  • mneverlandy
    了解作者
  • C/C++
    开发工具
  • 4KB
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  • zip
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  • 2021-03-08 17:34
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des加密算法,用于数据加密或者cpu卡的内部验证外部验证等等
des.zip
  • des_c.c
    14.4KB
  • des_h.h
    4.6KB
内容介绍
/* ********************************************************************************************************* * MICIRUM BOARD SUPPORT PACKAGE * * (c) Copyright 2007-2008; Micrium, Inc.; Weston, FL * * All rights reserved. Protected by international copyright laws. * Knowledge of the source code may not be used to write a similar * product. This file may only be used in accordance with a license * and should not be redistributed in any way. ********************************************************************************************************* */ /* ********************************************************************************************************* * * APPLICATION CODE * * des_c.c * with the * Y06 Board * * Filename : des_c.c * Version : V1.00 * Programmer(s) : Felix ********************************************************************************************************* */ /* ********************************************************************************************************* * INCLUDE FILES ********************************************************************************************************* */ #define DES_GLOBLAS #include "des_h.h" /* ********************************************************************************************************* * LOCAL DEFINES ********************************************************************************************************* */ /* ********************************************************************************************************* * LOCAL CONSTANTS ********************************************************************************************************* */ /* ********************************************************************************************************* * LOCAL DATA TYPES ********************************************************************************************************* */ /* ********************************************************************************************************* * LOCAL TABLES ********************************************************************************************************* */ uc8 initial_tr[64] = { 57, 49, 41, 33, 25, 17, 9, 1, 59, 51, 43, 35, 27, 19, 11, 3, 61, 53, 45, 37, 29, 21, 13, 5, 63, 55, 47, 39, 31, 23, 15, 7, 56, 48, 40, 32, 24, 16, 8, 0, 58, 50, 42, 34, 26, 18, 10, 2, 60, 52, 44, 36, 28, 20, 12, 4, 62, 54, 46, 38, 30, 22, 14, 6 }; uc8 final_tr[64] = { 39, 7, 47, 15, 55, 23, 63, 31, 38, 6, 46, 14, 54, 22, 62, 30, 37, 5, 45, 13, 53, 21, 61, 29, 36, 4, 44, 12, 52, 20, 60, 28, 35, 3, 43, 11, 51, 19, 59, 27, 34, 2, 42, 10, 50, 18, 58, 26, 33, 1, 41, 9, 49, 17, 57, 25, 32, 0, 40, 8, 48, 16, 56, 24 }; uc8 swap[64] = { 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32 }; uc8 key_tr1[56] = { 56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17, 9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35, 62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21, 13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3 }; uc8 key_tr2[64] = { 0, 0, 13, 4, 16, 10, 23, 0, 0, 0, 2, 9, 27, 14, 5, 20, 0, 0, 22, 7, 18, 11, 3, 25, 0, 0, 15, 1, 6, 26, 19, 12, 0, 0, 40, 54, 51, 30, 36, 46, 0, 0, 29, 47, 39, 50, 44, 32, 0, 0, 43, 52, 48, 38, 55, 33, 0, 0, 45, 31, 41, 49, 35, 28 }; uc8 etr[64] = { 0, 0, 31, 4, 0, 1, 2, 3, 0, 0, 3, 8, 4, 5, 6, 7, 0, 0, 7, 12, 8, 9, 10, 11, 0, 0, 11, 16, 12, 13, 14, 15, 0, 0, 15, 20, 16, 17, 18, 19, 0, 0, 19, 24, 20, 21, 22, 23, 0, 0, 23, 28, 24, 25, 26, 27, 0, 0, 27, 0, 28, 29, 30, 31 }; uc8 ptr[32] = { 31, 14, 39, 44, 60, 23, 55, 36, 4, 30, 46, 53, 12, 37, 62, 21, 5, 15, 47, 29, 63, 54, 6, 20, 38, 28, 61, 13, 45, 22, 7, 52 }; uc8 s[8][64] = { { 14, 4, 13, 1, 2, 15, 11, 8, 3, 10, 6, 12, 5, 9, 0, 7, 0, 15, 7, 4, 14, 2, 13, 1, 10, 6, 12, 11, 9, 5, 3, 8, 4, 1, 14, 8, 13, 6, 2, 11, 15, 12, 9, 7, 3, 10, 5, 0, 15, 12, 8, 2, 4, 9, 1, 7, 5, 11, 3, 14, 10, 0, 6, 13 }, { 15, 1, 8, 14, 6, 11, 3, 4, 9, 7, 2, 13, 12, 0, 5, 10, 3, 13, 4, 7, 15, 2, 8, 14, 12, 0, 1, 10, 6, 9, 11, 5, 0, 14, 7, 11, 10, 4, 13, 1, 5, 8, 12, 6, 9, 3, 2, 15, 13, 8, 10, 1, 3, 15, 4, 2, 11, 6, 7, 12, 0, 5, 14, 9 }, { 10, 0, 9, 14, 6, 3, 15, 5, 1, 13, 12, 7, 11, 4, 2, 8, 13, 7, 0, 9, 3, 4, 6, 10, 2, 8, 5, 14, 12, 11, 15, 1, 13, 6, 4, 9, 8, 15, 3, 0, 11, 1, 2, 12, 5, 10, 14, 7, 1, 10, 13, 0, 6, 9, 8, 7, 4, 15, 14, 3, 11, 5, 2, 12 }, { 7, 13, 14, 3, 0, 6, 9, 10, 1, 2, 8, 5, 11, 12, 4, 15, 13, 8, 11, 5, 6, 15, 0, 3, 4, 7, 2, 12, 1, 10, 14, 9, 10, 6, 9, 0, 12, 11, 7, 13, 15, 1, 3, 14, 5, 2, 8, 4, 3, 15, 0, 6, 10, 1, 13, 8, 9, 4, 5, 11, 12, 7, 2, 14 }, { 2, 12, 4, 1, 7, 10, 11, 6, 8, 5, 3, 15, 13, 0, 14, 9, 14, 11, 2, 12, 4, 7, 13, 1, 5, 0, 15, 10, 3, 9, 8, 6, 4, 2, 1, 11, 10, 13, 7, 8, 15, 9, 12, 5, 6, 3, 0, 14, 11, 8, 12, 7, 1, 14, 2, 13, 6, 15, 0, 9, 10, 4, 5, 3 }, { 12, 1, 10, 15, 9, 2, 6, 8, 0, 13, 3, 4, 14, 7, 5, 11, 10, 15, 4, 2, 7, 12, 9, 5, 6, 1, 13, 14, 0, 11, 3, 8, 9, 14, 15, 5, 2, 8, 12, 3, 7, 0, 4, 10, 1, 13, 11, 6, 4, 3, 2, 12, 9, 5, 15, 10, 11, 14, 1, 7, 6, 0, 8, 13 }, { 4, 11, 2, 14, 15, 0, 8, 13, 3, 12, 9, 7, 5, 10, 6, 1, 13, 0, 11, 7, 4, 9, 1, 10, 14, 3, 5, 12, 2, 15, 8, 6, 1, 4, 11, 13, 12, 3, 7, 14, 10, 15, 6, 8, 0, 5, 9, 2, 6, 11, 13, 8, 1, 4, 10, 7, 9, 5, 0, 15, 14, 2, 3, 12 }, { 13, 2, 8, 4, 6, 15, 11, 1, 10, 9, 3, 14, 5, 0, 12, 7, 1, 15, 13, 8, 10, 3, 7, 4, 12, 5, 6, 11, 0, 14, 9, 2, 7, 11, 4, 1, 9, 12, 14, 2, 0, 6, 10, 13, 15, 3, 5, 8, 2, 1, 14, 7, 4, 10, 8, 13, 15, 12, 9, 0, 3, 5, 6, 11 } }; uc8 rots[16] = { 1, 1, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 1 }; uc8 bit_msk[8] = { 0x80, 0x40, 0x20, 0x10, 0x08, 0x04, 0x02, 0x01 }; /* ********************************************************************************************************* * LOCAL GLOBAL VARIABLES ********************************************************************************************************* */ static u8 DES_Encrypt_key[]="u23djql3"; static u8 DES_Decrypt_key[]="u23djql3"; static u8 sub_keys[16][8]; //sub_keys[16][8] static u8 main_key[8]; /* ********************************************************************************************************* * LOCAL FUNCTION PROTOTYPES ********************************************************************************************************* */ static void des(u8 *plain_strng, u8 *key, u8 d, u8 *ciph_strng); static void transpose(u8 *idata, u8 *odata, uc8 *tbl, u8 n); static void rotate_l(u8 *key); static void comput
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