磁盤文件高級數(shù)據加密解密器
摘 要
今天在計算機被廣泛應用的信息時代，信息本身就是財富。大量的信息用數(shù)據的形式存放在計算機系統(tǒng)里。信息的傳輸則是通過公共信道。這些計算機系統(tǒng)和公共信道是不設防的，是很脆弱的，很容易受到攻擊和破壞，因而我們需要1種措施來保護我們的數(shù)據，防止被1些懷有不良用心的人所看到或者破壞。在信息時代，信息可以幫助團體或個人，使他們受益，同樣，信息也可以用來對他們構成威脅，造成破壞。在競爭激烈的大公司中，工業(yè)間諜經常會獲取對方的情報。因此，在客觀上就需要1種強有力的安全措施來保護機密數(shù)據不被竊取或篡改。數(shù)據加密與解密從宏觀上講是非常簡單的，很容易理解。加密與解密的1些方法是非常直接的，很容易掌握，可以很方便的對機密數(shù)據進行加密和解密。此主要介紹高級加密解密算法AES的歷史發(fā)展和國內外的現(xiàn)狀；本主要介紹高級數(shù)據加密解密算法AES的概念、具體內容和用此算法如何實現(xiàn)加密解密的具體過程及其實現(xiàn)平臺的介紹；其中我們采用的高級數(shù)據加密解密算法AES，對數(shù)據進行加密解密，能夠達到更加安全，保護性好方便快捷，易于實現(xiàn)完整性好。
關 鍵 詞：高級加密標準；分組密碼體制；AES ；有限域；數(shù)據加密；數(shù)據解密
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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