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板凳
发表于 2019-6-9 23:56
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SMS4算法的一个实现
本人一直关注WAPI标准.对SMS4算法进行研究,并写了一个算法的实现,能够进行SMS4加密.供有兴趣者参考.本人一直关注WAPI标准.对SMS4算法进行研究,并写了一个算法的实现,能够进行SMS4加密.供有兴趣者参考./**This program is about the sms4 algorithm.*Author:Super Peng *Email:comboy758@163.com*Date:2006-3-31*Addr:Institute of plasma physics of Chinese academy of science**Note: This program is just for self-interest of Encryption technology not for commercial fields.*Any question can be sent to my email.*/#include /*S-Box Table*/unsigned char SBOX[16][16] = {{0xd6,0x90,0xe9,0xfe,0xcc,0xe1,0x3d,0xb7,0x16,0xb6,0x14,0xc2,0x28,0xfb,0x2c,0x05},{0x2b,0x67,0x9a,0x76,0x2a,0xbe,0x04,0xc3,0xaa,0x44,0x13,0x26,0x49,0x86,0x06,0x99},{0x9c,0x42,0x50,0xf4,0x91,0xef,0x98,0x7a,0x33,0x54,0x0b,0x43,0xed,0xcf,0xac,0x62},{0xe4,0xb3,0x1c,0xa9,0xc9,0x08,0xe8,0x95,0x80,0xdf,0x94,0xfa,0x75,0x8f,0x3f,0xa6},{0x47,0x07,0xa7,0xfc,0xf3,0x73,0x17,0xba,0x83,0x59,0x3c,0x19,0xe6,0x85,0x4f,0xa8},{0x68,0x6b,0x81,0xb2,0x71,0x64,0xda,0x8b,0xf8,0xeb,0x0f,0x4b,0x70,0x56,0x9d,0x35},{0x1e,0x24,0x0e,0x5e,0x63,0x58,0xd1,0xa2,0x25,0x22,0x7c,0x3b,0x01,0x21,0x78,0x87},{0xd4,0x00,0x46,0x57,0x9f,0xd3,0x27,0x52,0x4c,0x36,0x02,0xe7,0xa0,0xc4,0xc8,0x9e},{0xea,0xbf,0x8a,0xd2,0x40,0xc7,0x38,0xb5,0xa3,0xf7,0xf2,0xce,0xf9,0x61,0x15,0xa1},{0xe0,0xae,0x5d,0xa4,0x9b,0x34,0x1a,0x55,0xad,0x93,0x32,0x30,0xf5,0x8c,0xb1,0xe3},{0x1d,0xf6,0xe2,0x2e,0x82,0x66,0xca,0x60,0xc0,0x29,0x23,0xab,0x0d,0x53,0x4e,0x6f},{0xd5,0xdb,0x37,0x45,0xde,0xfd,0x8e,0x2f,0x03,0xff,0x6a,0x72,0x6d,0x6c,0x5b,0x51},{0x8d,0x1b,0xaf,0x92,0xbb,0xdd,0xbc,0x7f,0x11,0xd9,0x5c,0x41,0x1f,0x10,0x5a,0xd8},{0x0a,0xc1,0x31,0x88,0xa5,0xcd,0x7b,0xbd,0x2d,0x74,0xd0,0x12,0xb8,0xe5,0xb4,0xb0},{0x89,0x69,0x97,0x4a,0x0c,0x96,0x77,0x7e,0x65,0xb9,0xf1,0x09,0xc5,0x6e,0xc6,0x84},{0x18,0xf0,0x7d,0xec,0x3a,0xdc,0x4d,0x20,0x79,0xee,0x5f,0x3e,0xd7,0xcb,0x39,0x48}};/*System constant value table*/unsigned int FK[4] = {0xa3b1bac6,0x56aa3350,0x677d9197,0xb27022dc};/*Constant value table*/unsigned int CK[32] ={0x00070e15,0x1c232a31,0x383f464d,0x545b6269,0x70777e85,0x8c939aa1,0xa8afb6bd,0xc4cbd2d9,0xe0e7eef5,0xfc030a11,0x181f262d,0x343b4249,0x50575e65,0x6c737a81,0x888f969d,0xa4abb2b9,0xc0c7ced5,0xdce3eaf1,0xf8ff060d,0x141b2229,0x30373e45,0x4c535a61,0x686f767d,0x848b9299,0xa0a7aeb5,0xbcc3cad1,0xd8dfe6ed,0xf4fb0209,0x10171e25,0x2c333a41,0x484f565d,0x646b7279};/*Text*/unsigned char chNumber[16] = {0x01,0x23,0x45,0x67,0x89,0xab,0xcd,0xef,0xfe,0xdc,0xba,0x98,0x76,0x54,0x32,0x10};/*Encryption key*/int MK[4]={0x01234567,0x89abcdef,0xfedcba98,0x76543210};/**Left shift iBits of the integer.*/int RotaryLeftShift(unsigned int uiNumber, int iBits){int i;int iResult;iResult = 0;for(i = 0; i 0; i--){chNumbers[i-1] =(unsigned char)(iMask & iA);iA >>= 8;}return chNumbers;}/**Get the S-Box value by checking up the constant table.*/unsigned int SBoxChar(unsigned char A[]){unsigned char chHighMask = 0xf0;unsigned char chLowMask = 0x0f;unsigned int iResult;iResult = 0;int i;int iX,iY;for(i = 0; i >= 4;iY = A & chLowMask;iResult >= 8;}// for(i = 0; i 31; i--){printf("%08X",i,iXA);}for(i = 1; i 31; i--){printf("%08X",i,iXA);}return 0;}
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发表于 2011-1-1 12:25
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发表于 2019-5-18 17:48
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