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磁盘文件高级数据加密解密器
摘 要
今天在计算机被广泛应用的信息时代，信息本身就是财富。大量的信息用数据的形式存放在计算机系统里。信息的传输则是通过公共信道。这些计算机系统和公共信道是不设防的，是很脆弱的，很容易受到攻击和破坏，因而我们需要1种措施来保护我们的数据，防止被1些怀有不良用心的人所看到或者破坏。在信息时代，信息可以帮助团体或个人，使他们受益，同样，信息也可以用来对他们构成威胁，造成破坏。在竞争激烈的大公司中，工业间谍经常会获取对方的情报。因此，在客观上就需要1种强有力的安全措施来保护机密数据不被窃取或篡改。数据加密与解密从宏观上讲是非常简单的，很容易理解。加密与解密的1些方法是非常直接的，很容易掌握，可以很方便的对机密数据进行加密和解密。此论文主要介绍高级加密解密算法AES的历史发展和国内外的现状；本论文主要介绍高级数据加密解密算法AES的概念、具体内容和用此算法如何实现加密解密的具体过程及其实现平台的介绍；其中我们采用的高级数据加密解密算法AES，对数据进行加密解密，能够达到更加安全，保护性好方便快捷，易于实现完整性好。
关 键 词：高级加密标准；分组密码体制；AES ；有限域；数据加密；数据解密
Abstract
We need one kind of measure to protect our data frequently, prevented is harbored by some not the good attentively person to see to or the destruction. In the information age, the information may help the association or individual, causes them to profit, similarly, the information also may use for to them to pose the threat, creates the destruction. In the competition intense big company, the industrial spy can gain opposite party information frequently. Therefore, in on is objective needs one kind of powerful security measure to protect the secret data not to steal or to tamper with. The data encryption and the decryption from on macroscopic says is extremely simple, is very easy to understand. The encryption and decipher some methods are extremely direct, is very easy to grasp, may be very convenient carries on the encryption and the decryption to the secret data. This paper main introduction senior encryption decipher algorithm AES historical development and domestic and foreign present situations; I mainly introduced senior data encryption decipher algorithm AES the concept, how the concrete content and do realize the encryption decipher concrete process with this algorithm and its realizes the platform introduction; Our here uses is senior data encryption decipher algorithm AEA, carries on the encryption decipher to the data, can achieve safely, protection good convenience quick, is easy to realize the integrity to be good.
Keywords：Advanced Encryption Standard; AES; Limited jurisdiction; data encryption; data decryption
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