文档介绍：信息安全技术信息安全技术密码技术密码技术中国信息安全产品测评认证中心( 中国信息安全产品测评认证中心( ITSEC ) ) CISP-2- CISP-2- 密码技术(培训样稿) 密码技术(培训样稿) 第第0 0章章绪论 itsec 密码学与信息安全密码学与信息安全 n n信息的私密性信息的私密性(Privacy) (Privacy) 对称加密对称加密 n n信息的完整性信息的完整性(Integrity) (Integrity) 数字签名数字签名 n n信息的源发鉴别信息的源发鉴别(Authentication) (Authentication) 数字签名数字签名 n n信息的防抵赖性信息的防抵赖性(Non-Reputation) (Non-Reputation) 数字签名+ 时间戳数字签名+ itsec 互联网困境 itsec Overview of Cryptography Overview of Cryptography n n Information security and cryptography Information security and cryptography n n Background on functions Background on functions n n Basic terminology and concepts Basic terminology and concepts n n Symmetric-key encryption Symmetric-key encryption n n Digital signatures Digital signatures n n Authentication and identification Authentication and identification n n Public-key cryptography Public-key cryptography n n Hash functions Hash functions n n Protocols and mechanisms Protocols and mechanisms n n Key establishment, management, and certification Key establishment, management, and certification n n Pseudorandom numbers and sequences Pseudorandom numbers and sequences n n Classes of attacks and security models Classes of attacks and security itsec Mathematical Background Mathematical Background n n Probability theory Probability theory n n Information theory Information theory n plexity theory Complexity theory n n Number theory Number theory n n Abstract algebra Abstract algebra n n Finite fields Finite itsec Some information security itsec 密密码码学学分分类类第第1 1章章密码学基础 itsec § § 密码学的历史与发展密码学的历史与发展 n n密码学的演进密码学的演进单表代替- 单表代替- > >多表代替- 多表代替- > >机械密机械密( (恩格玛恩格玛) ) - -> >现代密码学现代密码学( (对称与非对称密码体制对称与非对称密码体制) )- - > >量子密码学量子密码学 n n密码编码学和密码分析学密码编码学和密码分析学 n n应用领域应用领域军事,外交,商业,个人通信,古文化研军事,外交,商业,个人通信,古文化研究等究等