高级加密标准(AES)为最常见的对称加密算法(微信小程序加密传输就是用这个加密算法的)，对称加密算法也就是加密和解密用相同的密钥。
Advanced Encryption Standard (AES) is the most common symmetric encryption algorithm (this encryption algorithm is used for encrypted transmission of wechat small programs). Symmetric encryption algorithm means that the same key is used for encryption and decryption. (2020-12-10, C/C++, 38KB, 下载1次)
DES算法是这样工作的：如Mode为加密，则用Key 去把数据Data进行加密， 生成Data的密码形式（64位）作为DES的输出结果；如Mode为解密，则用Key去把密码形式的数据Data解密，还原为Data的明码形式（64位）作为DES的输出结果。在通信网络的两端，双方约定一致的Key，在通信的源点用Key对核心数据进行DES加密，然后以密码形式在公共通信网（如电话网）中传输到通信网络的终点，数据到达目的地后，用同样的Key对密码数据进行解密，便再现了明码形式的核心数据。这样，便保证了核心数据（如PIN、MAC等）在公共通信网中传输的安全性和可靠性。 通过定期在通信网络的源端和目的端同时改用新的Key，便能更进一步提高数据的保密性，这正是现在金融交易 网络的流行做法。 下面是DES原理及实现步骤，以及VC++关于DES加密解密的详细源程序
Complete source code, calling process, detailed explanation of the principle (2019-08-02, C/C++, 2193KB, 下载2次)
MD5计算工具, 解析微信朋友圈IMEL+UIN解密算法
MD5 calculation tool, resolves WeChat friends circle IMEL+UIN decryption algorithm (2018-06-22, C/C++, 14KB, 下载0次)
根据达芬奇密码编写的算法程序，用以预测中奖彩票号码，纯属娱乐。
According to The Da Vinci Code written algorithm program to predict the winning lottery numbers, purely entertainment. (2014-09-26, C/C++, 4494KB, 下载6次)
http://code.google.com/p/mkisofs-md5/
这是mkisofs-md5改良版作者官网。这个软件的作用是在Joerg Schilling的原版mkisofs基础上增加GBK字符集和MD5空间优化功能。
About mkisofs-md5
The mkisofs-md5 project was in cosoft until Feb, 2011. It adds "gbk" Chinese Code and
"md5" Space Optimization. But the site was out of service, so we moved to google code.
There is only Cygwin Binary for 1.15. I will build Binaries in Cygwin & MinGW for 2.01.
China Project: http://wwashington.51.net/soft/mkisofs/
China Author: http://wwashington.51.net/resume/jackyz.htm (2012-07-22, C/C++, 6784KB, 下载9次)
常用的quartus软件 7.2版本 破解文件
Commonly used software version 7.2 crack file quartus (2011-02-12, C/C++, 6KB, 下载14次)
项目中多个模块授权加密算法,使用方法，现在客户机运行环境获取程序，将生产的文件发送给管理者，管理者根据客户端环境文件生成授权证书
Multiple module project authorized encryption algorithm (2010-05-07, C/C++, 4743KB, 下载63次)
这是从NIST官方网站下载的AES源码，由于原网站为英文版，转载过来和大家共享。
This is the official website to download from the NIST' s AES source, because the original site for the English version, reproduced over and share. (2009-06-27, C/C++, 24KB, 下载90次)
在通信网络的两端，双方约定一致的Key，在通信的源点用Key对核心数据进行DES加密，然后以密码形式在公共通信网（如电话网）中传输到通信网络的终点，数据到达目的地后，用同样的Key对密码数据进行解密，便再现了明码形式的核心数据。这样，便保证了核心数据在公共通信网中传输的安全性和可靠性。
communications networks in the two ends, the two sides agreed unanimously the Key, In communications with the source Key to the core DES data encryption, Then a password in the form of public communication networks (such as the telephone network) transmission of the communication network in the end, data arrived at their destination, Key used the same password for data decryption, it depicts the code forms the core data. This will ensure that the core data in the public telecommunication network transmission security and reliability. (2007-06-23, C/C++, 4KB, 下载84次)
内核加解密算法 加解密函数库及其使用说明，详见附件。 find_cipher_by_name中参数ciphername可取的值为下面的组合，对应不同的模式: (des,des_ede3,aes,blowfish,cast5,dfc,idea,mars,rc5,rc6,serpent,twofish)-ecb (des,des_ede3,aes,blowfish,cast5,dfc,idea,mars,rc5,rc6,serpent,twofish)-cbc (des,des_ede3,aes,blowfish,cast5,dfc,idea,mars,rc6,serpent,twofish)-cfb struct cipher_implementation* ci中对应的可调用的method：encrypt_iv decrypt_iv encrypt decrypt 比如以des-cbc为find_cipher_by_name的参数得到的ci调用encrypt_iv，decrypt_iv. find_digest_by_name中参数digestname可取的值: sha1 md5 struct digest_implementation* di中对应的可调用的method:open update digest close hmac 计算digest时调用di->digest，计算hmac时调用di->hmac. 注意：加载我们需要的cipher-*.o和digest-*.o之前需先加载cryptoapi.o。
core encryption and decryption algorithm encryption and decryption functions and their use, as detailed in the annex. Find_cipher_by_name cipher desirable parameter values to the following portfolio, dealing with different modes : (des, des_ede3, Aes, blowfish, cast5, DFC, the idea, mars, RC5, production, serpent, twofish)- ecb ( des, des_ede3, Aes, blowfish, cast5, DFC, the idea, mars, RC5, production, serpent, twofish)- cbc (des, des_ede3, Aes, blowfish, cast5, DFC, the idea, mars, production, the serpent , twofish)- Sample struct cipher_implementation ci* corresponding the available method : encrypt_iv decrypt_iv encrypt decrypt such as a des-cbc find_cipher_by_name parameters for the ci call encrypt_iv, decrypt_iv. find_digest_by_name digestname desirable parameter values : sha1 md (2005-07-13, C/C++, 136KB, 下载289次)