Protocol The shadowsocks protocol is very similar to SOCKS5 but encrypted and simpler. Below is the structure of a shadowsocks request (sent from clie Read More
密码学中，区块(Block)密码的工作模式（英语：mode of operation）允许使用同一个区块密码密钥对多于一块的数据进行加密，并保证其安全性。[1][2] 区块密码自身只能加密长度等于密码区块长度的单块数据，若要加密变长数据，则数据必须先被划分为一些单独的密码块。通常而言，最后一块数据也 Read More
文件形式的邮件 #!/usr/bin/env python3 #coding: utf-8 import smtplib from email.mime.text import MIMEText from email.header import Header sender = '***' recei Read More
2. TCP keepalive overview In order to understand what TCP keepalive (which we will just call keepalive) does, you need do nothing more than read the n Read More