longbuilder

#define MAX_BUFFER 1024  ///< read buf size
unsigned char g_buf[MAX_BUFFER+1]; /// read buf 缓冲区
int g_bufLen;  /// 缓冲区内数据长度
static int DATASIZE = 64; /// hid读写数据长度，Report Length
IOHIDDeviceRef hidDev; /// hid设备
pthread_t pthreadID; ///input read thread
static pthread_mutex_t g_mutex; /// 读写锁
static pthread_cond_t g_cond;  /// 读写信号量
 
 

longbuilder

#include <stdio.h> 
#include <math.h>

int main() 
{ 
    double x,y,a,b;
	double m,n;
	freopen("data.txt", "r", stdin);
	while(scanf("%lf %lf %lf %lf", &a, &b, &x, &y) !=EOF)
	{

longbuilder

#include <stdio.h>
#include <iostream>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <arpa/inet.h>

#include <openssl/ssl.h>
#include <event2/event.h>
#include <event2/util.h>

longbuilder

一、生成用于签发client和server证书的ca根证书。
mkdir -p ca
 
#生成CA私钥，1024位RSA私钥，这里简单起见，没有对私钥进行加密。
openssl genrsa -out ca/ca.key 1024
 
#生成ca的证书请求文件
openssl req -new -out ca/ca.csr -key ca/ca.key
 
#用CA私钥进行自签名，生成ca的证书文件