数据加密技术的研究综述(模板)

网络教育学院

本 科 生 毕 业 论 文（设 计）

题 目：数据加密技术的研究综述(模板)

学习中心：安徽池州奥鹏学习中心

层 次： 专科起点本科

专 业： 网络工程

年 级： 2009年秋季

学 号： 091227405048

学 生： 谷千帆

指导教师： 刘庄成

完成日期： 2011年 09 月 13 日

数据加密技术的研究综述

内容摘要

随着计算机网络技术的飞速发展，数据加密技术将成为信息网络安全技术中

的核心技术，本文介绍了网络与信息安全技术体系结构，对目前信息加密技术进行了分析，阐述了各类加密算法的优缺点，同时对加密技术的发展趋势进行了描述从最初的保密通信发展到目前的网络信息加密。数据加密技术是指将一个信息经过加密钥匙及加密函数转换,变成无意义的密文,而接收方则将此密文经过解密函数、解密钥匙还原成明文。在竞争激烈的信息时代,客观上需要一种强有力的安全措施来保护机密数据不被窃取或篡改,因此数据加密技术就应运而生。

关键词：信息安全 ；数据加密；加密钥匙；解密钥匙；加密算法

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数据加密技术的研究综述

目 录

内容摘要··························································································································· I 引 言····························································································································· 1 1 概述····························································································································· 2

1.1 背景·················································································································· 2

1.2 本文的主要内容及组织结构·········································································· 3 2 数据加密和加密系统································································································· 4

2.1 数据加密技术原理·························································································· 4

2.2 数据加密技术的分类及其应用············································ …… 此处隐藏：11186字，全部文档内容请下载后查看。喜欢就下载吧 ……