加密，是以某种特殊的算法改变原有的信息数据，使得未授权的用户即使获得了已加密的信息，但因不知解密的方法，仍然无法了解信息的内容。在航空学中，指利用航空摄影像片上已知的少数控制点，通过对像片测量和计算的方法在像对或整条航摄带上增加控制点的作业。
AES encryption and decryption tool, which can encrypt any string to a HEX number and decrypt in AES....
IBE加密算法的入门文章Identity-Based Encryption from the Weil Pairing...
File Encryption Utility（使用Blowfish算法给文件加密的完整程序）VC 源代码...
有保存/装载能力的简单加密程序。This is a simple encryption program with save/load capability....
Implementation Of ELGAMAL Public key encryption in C . it can use very long key os size 2007 decimal digit....
A pure python module which implements the DES and Triple-DES encryption algorithms. Triple DES is either DES-EDE3 with a...
X-Crypter encrypts/decrypts a file using a simple encryption algorithm that i have made. it works fine in MSVC++ 6.0 Sta...
Free open-source disk encryption software for Windows Vista/XP, Mac OS X, and Linux Main Features: * Creates a virt...