本讲主要内容： 公钥密码体制的简介 背包问题 RSA算法 ElGamal算法 ECC算法 IBE算法

哈尔滨工程大学：《现代密码学 Modern Cryptography》课程教学资源（课件讲稿）第5章 序列密码（主讲：马春光）

Unit Four Five symbols of america Five symbols of america Learn some important new words and phrases Appreciate the passage in section A Comprehension of the material in section A 1. Communicative method 2. Audio-lingual method 3. Grammar-translation method

Suggested answer All temptation is an attack that falls upon you anytime and from anywhere Temptation is also something that you crave for now but regret later Just as fire tries iron, temptation tries a Just man

Lead-in Questions 1. Are you iron deficient 2. How would you know? a. tired b. have reduced ability to exercise. C. have poor stamina d. get frequent infections e. are lethargic

Leading-in Activities: Discussion 1. What's your definition of money? 2. What attitude should we take toward money? 3.What’ your fantasy?

Try to find out all expressions showing graceful hands” in our text.How many times? Find out words of Mrs. Clark Pick out descriptions about ward and Mrs Clarks physical conditions

Lead-in Questions 1. Are you iron deficient 2 How would you know? a, tired b have reduced ability to exercise. C have poor stamina d get frequent infections e are lethargIc

Leading-in Activities: Discussion 1. What's your definition of money? 2. What attitude should we take toward money? 3.what’ your fantasy?

Teaching Content Section a choose to be Alone on Purpose Sectionb roommate Contlicts Listening part