void cal_all_KSD_construct_table(u32 d, u64* N_array){
//随机源的建立
srand((unsigned)time(NULL));
rc4_setup();
//建立目录，如果不存在则自动建立目录
cout<<"----------------------d:"<<d<<"--------------------"<<endl;
string part="(d,l)_(";
string curr_DIR=DIR+part+int_2_string(d)+","+int_2_string(KSLen)+")\\";
make_DIR(curr_DIR);
for(int i=1;i<=d;i++){
cout<<"开始处理输入差分汉明重量为:"<<i<<"的情况."<<endl;
combination_for_search_imp(LEN*8,i,N_array[i-1],curr_DIR);
cout<<"输入差分汉明重量为:"<<i<<"的情况已经处理完毕.\n\n"<<endl;
}
}
// RC4╦сие
void rc4_crypt512(unsigned char *key, int keyLen, unsigned char *message, int messageLen)
{
struct rc4_state rc4_test;
rc4_setup(&rc4_test, key, keyLen);
rc4_crypt(&rc4_test, message, messageLen);
}
void analyze_collected_data_v2(u32 d){
rc4_setup();
//random select a key and IV and run the initial phase
ECRYPT_ctx_reduce* ctx_reduce=new ECRYPT_ctx_reduce;
u8* key_R=new u8[4]();
u8* IV_R=new u8[3]();
for(int i=0;i<4;i++){
key_R[i]= rc4();
}
for(int i=0;i<3;i++){
IV_R[i]= rc4();
}
ECRYPT_keysetup_reduce(ctx_reduce,key_R,32,24);
ECRYPT_ivsetup_reduce(ctx_reduce,IV_R);
unsigned long long set_size=ceil(pow((double)2,DATA_SET));
cout<<"Data set size:2^{"<<DATA_SET<<"}"<<endl;
Online_Data_Reduce *data_A=new Online_Data_Reduce[set_size];
Online_Data_Reduce *data_B=new Online_Data_Reduce[set_size];
collect_sets_v2_with_prefix(ctx_reduce,data_A,data_B,1,set_size);
//collect_sets_v2_no_prefix(ctx_reduce,data_A,data_B,1,set_size);
//分析已收集的数据
string part="Analyze_data";
string curr_DIR=DIR_REDUCE_TEST_V2+part+"_(l,d)_("
+int_2_string(KSLen_Reduced)+","+int_2_string(d)+")"+WITH_PREFIX+"\\";
//建立目录，如果不存在则自动建立目录
char *tag;
for(tag=(char*)curr_DIR.c_str();*tag;tag++){
if(*tag=='\\'){
char buf[1024],path[1024];
strcpy(buf,curr_DIR.c_str());
buf[strlen(curr_DIR.c_str())-strlen(tag)+1]=NULL;
strcpy(path,buf);
if(access(path,6)==-1)
mkdir(path);
}
}
for(int i=0;i<set_size;i++){
if((i+1) % 20000 ==0){
cout<<"Analyze proceed "<<setprecision(3)<<(double)i*100/set_size<<"%..."<<endl;
}
for(int j=0;j<set_size;j++){
//计算当前输出差分
u8 curr_KS_Diff[KSLen_Reduced];
for(int k=0;k<KSLen_Reduced;k++)
curr_KS_Diff[k]=((data_A[i]).KS[k])^((data_B[j]).KS[k]);
//计算当前对应的状态差分
u8 curr_state_Diff[STATE_BYTE];
for(int k=0;k<STATE_BYTE;k++)
curr_state_Diff[k]=((data_A[i]).state[k])^((data_B[j]).state[k]);
curr_state_Diff[1]&=0x03;
curr_state_Diff[2]&=0xe0;
if(Hamming_weight_of_state(curr_state_Diff,STATE_BYTE)<=d){
/*if(Hamming_weight_of_state(curr_KS_Diff,KSLen_Reduced)<=MAX_KSD_HM){*/
//把满足这样条件的KSD和ISD都记录下来
string KSD=char2HexString(curr_KS_Diff,KSLen_Reduced);
string ISD=char2HexString(curr_state_Diff,STATE_BYTE);
string fileName=curr_DIR+KSD+".txt";
ofstream outfile;
outfile.open(fileName.c_str(),ofstream::app);
outfile<<fixed<<showpoint;
if(outfile){
outfile<<ISD<<"\n";
}
outfile.close();
}
}
}
cout<<"Analyze complete."<<endl;
}
void DecryptPayload(LPVOID lpPayload, SIZE_T nPayloadLength, LPBYTE lpKey, SIZE_T nKeyLength) {
struct rc4_state s;
rc4_setup(&s, lpKey, nKeyLength);
rc4_crypt(&s, lpPayload, nPayloadLength);
}
