SM4算法PC源码.docx
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SM4算法PC源码
SM4算法实现
说明：
1、纯源码无库实现，编译环境：
VC++6，建立工程把程序文件加入编译即可
2、源码文件包括：
main.cpp，SM4.cpp
头文件：
SM4.h
该算法通过商用测试，下载后如果有使用问题联系QQ：
1900109344
源码SM4算法例程（main.cpp，SM4.cpp，SM4.h）
SM4.h
#defineKeyLenError0x01
#definePlainLenError0x02
intTt（constintpreS）;
intTL（intB）;
intTotherL（intB）;
intT（intinput）;
intTother（intinput）;
voidExtand（intkey[],intextandKey[]）;
intF（intX0,intX1,intX2,intX3,intrk）;
voidconvertIntArray（unsignedcharinputData[],unsignedintunInputDataLen,intoutput[]）;
voidconvertCharArray（intinput[],intlen,unsignedcharoutput[]）;
voidR（intarray[]）;
unsignedintSMS4_encrypt（unsignedcharkey[],unsignedintkeyLen,unsignedchar*inputData,unsignedintunInputDataLen,unsignedchar*outputData,unsignedint*outputDataLen）;
unsignedintSMS4_decrypt（unsignedcharkey[],unsignedintkeyLen,unsignedchar*inputData,unsignedintunInputDataLen,unsignedchar*outputData,unsignedint*outputDataLen）;
voidprint_Hex（unsignedchararray[],unsignedintlength）;
Main.cpp
#include
#include
#include
#include
#include
#include
#include"SM4.h"
#defineTHREADCOUNT20
#defineTESTCOUNT100000
unsignedcharkey[]={0xB1,0x22,0xAD,0x0A,0x7A,0x36,0x2E,0xC3,0xAB,0xA1,0xDD,0xEF,0xB3,
0xAF,0x49,0x15};
unsignedintkeyLen=16;
unsignedcharinData[]={0x0B,0x0B,0x2B,0x4F,0x54,0x05,0xFE,0xF1,0xE8,0xA2,0x64,0xFC,
0x89,0xAB,0x21,0x0A};
unsignedintdataLen=16;
unsignedcharoutData[513]={0};
unsignedintoutDataLen;
voidmain（void）
{
unsignedcharPaddedSource[]={0x11,0x11,0x11,0x11,0xd1,0xa1,0x6c,0x20,0x67,0x70,0x8a,0xcb,0xd1,
0xa1,0x6c,0x20};
unsignedinti;
unsignedintj;
unsignedintPaddedSourceLen;
unsignedcharTemp[9]={0x80,0,0,0,0,0,0,0,0};
unsignedcharTempResult[16]={0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
memcpy（TempResult,inData,dataLen）;
for（j=0;j<16;j++）
TempResult[j]=TempResult[j]^PaddedSource[j];
//CBC模式加密
unsignedintrv1=SMS4_encrypt（key,keyLen,TempResult,dataLen,outData,&outDataLen）;
//EBC模式加密
unsignedintrv=SMS4_encrypt（key,keyLen,inData,dataLen,outData,&outDataLen）;
unsignedcharplain[513]={0};
unsignedintplainLen;
rv=SMS4_decrypt（key,keyLen,outData,dataLen,plain,&plainLen）;//ECB模式解密
printf（"%d\n",rv）;
}
SM4.cpp
#include
#include
#include
#include"SM4.h"
//S盒
unsignedcharS[][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}};
//固定参数CK
unsignedintCK[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};
voidprint_Hex（unsignedchararray[],unsignedintlength）
{
unsignedinti;
intcountPerLine=16;
for（i=0;i{
if（（i%countPerLine）==0）
{
printf（"\n"）;
printf（"0x"）;
intdiscuss=i/countPerLine;
if（discuss{
printf（"00"）;
printf（"%x0",discuss）;
}
elseif（（16<=discuss）&&（discuss<256））
{
printf（"0"）;
printf（"%x%x0",discuss/countPerLine,discuss%countPerLine）;
}
}
printf（"%02x",array[i]）;
}
printf（"\n"）;
}
intTt（constintpreS）
{
inti,j;
unsignedchartmp[5]={0};
for（j=0,i=24;i>-1;i-=8,j++）
{
inttmpX=（preS>>（i+4））&0x0000000f;
inttmpY=（preS>>（i））&0x0000000f;
tmp[j]=S[tmpX][tmpY];
}
intresult=0;
convertIntArray（tmp,4,&result）;
returnresult;
}
intTL（intB）
{
intB2=（（B<<2）&0xfffffffc）|（（B>>30）&0x00000003）;
intB10=（（B<<10）&0xfffffc00）|（（B>>22）&0x000003ff）;
intB18=（（B<<18）&0xfffc0000）|（（B>>14）&0x0003ffff）;
intB24=（（B<<24）&0xff000000）|（（B>>8）&0x00ffffff）;
intC=B^B2^B10^B18^B24;
returnC;
}
intTotherL（intB）
{
intB13=（（B<<13）&0xffffe000）|（（B>>19）&0x00001fff）;
intB23=（（B<<23）&0xff800000）|（（B>>9）&0x007fffff）;
intC=B^B13^B23;
returnC;
}
intT（intinput）
{
inttmp=Tt（input）;
returnTL（tmp）;
}
intTother（intinput）
{
inttmp=Tt（input）;
returnTotherL（tmp）;
}
voidExtand（intkey[],intextandKey[]）
{
inti;
unsignedintK[36]={0};
//系统参数
unsignedintFK0=0xA3B1BAC6;
unsignedintFK1=0x56AA3350;
unsignedintFK2=0x677D9197;
unsignedintFK3=0xB27022DC;
//32字的轮密钥
//intrk[32]={0};
K[0]=key[0]^FK0;
K[1]=key[1]^FK1;
K[2]=key[2]^FK2;
K[3]=key[3]^FK3;
for（i=0;i<32;i++）
{
inttmp1=K[i+1]^K[i+2]^K[i+3]^CK[i];
inttmp2=Tother（tmp1）;
extandKey[i]=K[i+4]=K[i]^tmp2;
}
//extandKey=&（rk[0]）;
}
intF（intX0,intX1,intX2,intX3,intrk）
{
returnX0^（T（X1^X2^X3^rk））;
}
voidconvertIntArray（unsignedcharinputData[],unsignedintunInputDataLen,intoutput[]）
{
inttmpLen=unInputDataLen/4;
//inttmpIntArray[tmpLen];
chartmp[4]={0};
inti,j;
for（i=0;i{
/*strncpy（tmp,inputData,sizeof（int））;*/
for（j=0;j<4;j++）
{
tmp[j]=inputData[j];
}
inputData+=sizeof（int）;
inttmp1=（（tmp[0]&0x000000ff）<<24）&0xff000000;
inttmp2=（（tmp[1]&0x000000ff）<<16）&0x00ff0000;
inttmp3=（（tmp[2]&0x000000ff）<<8）&0x0000ff00;
inttmp4=（tmp[3]&0x000000ff）&0x000000ff;
output[i]=tmp1|tmp2|tmp3|tmp4;
}
}
voidconvertCharArray（intinput[],intlen,unsignedcharoutput[]）
{
inti,j,k;
chartmp[5]={0};
for（i=0;i{
tmp[0]=（unsignedchar）（（input[i]>>24）&0x000000ff）;
tmp[1]=（unsignedchar）（（input[i]>>16）&0x000000ff）;
tmp[2]=（unsignedchar）（（input[i]>>8）&0x000000ff）;
tmp[3]=（unsignedchar）（input[i]&0x000000ff）;
for（j=4*i,k=0;k<4;k++）
{
output[j+k]=tmp[k];
}
}
//output[len*4+1]=0;
}
voidR（intarray[]）
{
inttmp[4]={0};
inti;
for（i=0;i<4;i++）
{
tmp[i]=array[i];
}
for（i=0;i<4;i++）
{
array[i]=tmp[3-i];
}
}
unsignedintSMS4_encrypt（unsignedcharkey[],unsignedintkeyLen,unsignedchar*inputData,unsignedintunInputDataLen,unsignedchar*outputData,unsignedint*outputDataLen）
{
inti,j,k,l,m,n;
if（keyLen!
=16）
{
returnKeyLenError;
}
if（（（unInputDataLen%16）!
=0）||（unInputDataLen>8192））
{
returnPlainLenError;
}
intintLen=unInputDataLen/（sizeof（int））;
//转换明文格式，字节数组----整数数组，要释放空间
int*plainData=（int*）malloc（intLen*sizeof（int））;
convertIntArray（inputData,unInputDataLen,plainData）;
//密文数据缓冲区
int*encData=（int*）malloc（intLen*sizeof（int））;
intpreR[4]={0};
//获取扩展密钥
intextandKey[32]={0};
intkeyInt[4]={0};
convertIntArray（key,16,keyInt）;
Extand（keyInt,extandKey）;
intX[36]={0};
for（i=0;i{
//为X0--X3赋值，即赋值明文
for（j=0;j<4;j++）
{
X[j]=plainData[4*i+j];
}
//函数迭代
for（k=0;k<32;k++）
{
X[k+4]=F（X[k],X[k+1],X[k+2],X[k+3],extandKey[k]）;
}
for（l=0;l<4;l++）
{
preR[l]=X[l+32];
}
R（preR）;
for（m=4*i,n=0;n<4;m++,n++）
{
*encData=preR[n];
encData++;
}
}
encData-=intLen;
convertCharArray（encData,intLen,outputData）;
free（plainData）;
free（encData）;
*outputDataLen=unInputDataLen;
//print_Hex（outputData,unInputDataLen）;
return0;
}
unsignedintSMS4_decrypt（unsignedcharkey[],unsignedintkeyLen,unsignedchar*inputData,unsignedintunInputDataLen,unsignedchar*outputData,unsignedint*outputDataLen）
{
inti,j,k,l,m,n;
if（keyLen!
=16）
{
returnKeyLenError;
}
if（（（unInputDataLen%16）!
=0）||（unInputDataLen>8192））
{
returnPlainLenError;
}
intintLen=unInputDataLen/（sizeof（int））;
//转换明文格式，字节数组----整数数组，要释放空间
int*encData=（int*）malloc（intLen*sizeof（int））;
convertIntArray（inputData,unInputDataLen,encData）;
//密文数据缓冲区
int*plainData=（int*）malloc（intLen*sizeof（int））;
intpreR[4]={0};
//获取扩展密钥
intextandKey[32]={0};
intkeyInt[4]={0};
convertIntArray（key,16,keyInt）;
Extand（keyInt,extandKey）;
intX[36]={0};
for（i=0;i{
//为X0--X3赋值，即赋值明文
for（j=0;j<4;j++）
{
X[j]=encData[4*i+j];
}
//函数迭代
for（k=0;k<32;k++
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