报文摘要

根据非对称密钥系统中的RSA算法和报文摘要算法MD5，提出了一种数字签名的实现方案；

The paper presents an application project of digital signature according to RSA algorithm and MD5 message digest algorithm .

MD5报文摘要算法与文件系统完整性保护

MD5 Message Digest Algorithm and Protection of File System Integrity

一种新的报文摘要（MDC）生成算法

A New Message Digest Codes Generating Algorithm

对P2P数据流的有效控制，区别于传统的简单封锁或消耗资源很大的报文摘要应用层检测方式，在分析P2P数据流业务行为特征的基础上，动态基于流的行为调整数据流；

The P2P data flow is efficiently controlled based on the analysis of P2P Application characteristics and dynamical adjustment of flow behavior instead of blocking or packet digest application detection .

MD5报文摘要算法是一种应用广泛的身份认证算法，该文首先对数据加密技术进行了简要的概述。

MD5 algorithm is an authentication method used in a broad research field . The data encryption techniques are summarized in this paper .

数字签名设计中，采用Hash函数生成报文摘要、IDEA加密明文、RSA加密报文摘要和IDEA密钥的混和加密技术，有效地提高了数字签名的安全性。

In the process of designing of Digital Signature , Hash function is introduced to create message digest , IDEA algorithm is used to encrypt the open file , and RSA algorithm is adopted to encrypt IDEA key and message digest .

本文通过分析MD5报文摘要算法的四个非线性函数的特点，讨论了MD5的每个圈函数的许多碰撞及这些碰撞发生的概率。

In this paper , we give some properties of four nonlinear functions of the MD5 message digest algorithm . Using these properties , we discuss many collisions for every round function and their probabilities .

从保证电子商务交易安全的角度出发，分析了对称密钥加密、公开密钥加密、报文摘要算法、数字签名技术。并对公开密钥的安全基础设施PKI实现方案进行较详细的讨论。

For the purpose of ensuring safety in electronic commercial trade , a detailed analysis of the techniques for secret key encryption , public key encryption , message digest algorithms and digital signature was given , and a PKI practical plan to build the safe public key infrastructure was discussioned .

报文摘要是用发送者的秘密钥匙加密的。

The message digest is encrypted with sender 's private key .

基于报文摘要的电子文档手工签名方法

Manual signature approach based on message digest for electronic documents

一种基于图同构和单向置换的报文摘要构造算法

A Constructing Algorithm of Message Digests Based on Graphs Isomorphism and One-Way Permutation

网页保护；哈希函数；报文摘要；

Webpage protection Hash function Message digest ;

为了保护信息的机密性和完整性，该文给出了一种新的报文摘要构造算法，这种新算法是基于图同构的。

In this paper , we present a new algorithm for constructing message digest . The algorithm is based on graphs isomorphism .

有时这个单向值也叫做报文摘要，与文档的数字指纹或标准校验和相似。

This one-way value is sometimes called the message digest , and is analogous to a digital fingerprint or checksum for the document .

本文提出的子系统间数据传输协议是一个私有协议，该协议实现了一系列安全机制如身份验证，报文摘要，加密等来保证数据传输的安全。

There are many security mechanisms such as authentication , message digest and encryption in the protocol to ensure the security of data transfer .

数字签名技术对被保护对象内容进行散列，得到报文摘要，附在对象后面一起传输，从而实现内容真实性、完整性认证。

Digital signature technique calculates the message digest of the content using hash function and transfers it attaching the content to realize the authentication of content authenticity and integrality .

该模型在普通数字签名模型的基础上，引入加密机制加强了对消息原文的加密处理，并仅对报文摘要进行签名，提高了信道利用率。

Based on a common digital signature model , the enhanced model emphasizes the encryption for plain text and only signs message digest that is abstracted from those total message .

密码技术将被保护对象加密为密文进行传播，实现版权保护；数字签名技术对被保护信息处理，将得到报文摘要附加到保护信息中，证明被保护内容的真实、完整。

Cryptography will be spread for the cipher text to achieve copyright protection . With digital signature to the message digest appended to the protection of information , the purpose is to prove that the protected information is true and complete .

为了把报文与图联系起来，采用了基于单向置换的报文摘要生成算法，并证明了对该算法而言，不存在多项式时间的概率算法来找到一个“冲突”。

To relate message with graph , we give a constructing algorithm based on one-way permutation , then prove that it doesn 't exist a probably algorithm for polynomial time to find a " collide " .