用VC++实现高级数据加密标准AES
摘 要
我们经常需要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。人们找到了保护数据的安全措施，那就是对数据进行加密与解密数据，加密与解密从宏观上讲是非常简单的，很容易理解，但事实上，我们要是具体的操作起来，就不是易事。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。本论文首先介绍分组密码技术，由此引出高级加密标准AES；接着介绍高级加密解密算法AES的历史发展和国内外的现状；然后介绍高级数据加密解密算法AES的思想、具体内容和用此算法如何实现加密解密的具体过程，也即AES算法的实现。
关键词:高级数据加密标准；分组密码；AES；数据；数据加密；数据解密
Abstract
We frequently need one kind of measure to protect our data, prevented is harbored by some not the good attentively person to see or the destruction. In the information time, 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 frequently can gain opposite party information. 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 people had found the protection data security measure, that is the logarithm according to carries on the encryption and the decipher data, the encryption and the decryption from on macroscopic says is extremely simple, is very easy to understand, but in fact, we if the concrete operation, is not an easy matter. 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. The present paper first introduced the block cipher technology, from this draws out advanced encryption standard AES; Then introduces high-level encryption decipher algorithm AES the historical development and the domestic and foreign present situations; Then the introduction high-level data encryption decipher algorithm AES thought, how do the concrete content and realize the encryption decipher concrete process with this algorithm, also is the AES algorithm realization.
Keywords:Dvanced Encryption Standard; Block cipher; AES; data; data encryption; data decryption
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