Using Strategies and Word Patterns: The Code Book Answers

Heidi has a writing assignment to connect The Code Book to her own life. Which line from her assignment best demonstrates Heidi’s connection with the text?

Review the excerpt from The Code Book.In 1998, a report by Wayne Madsen revealed that the Swiss cryptographic company Crypto AG had built backdoors into some of its products, and had provided the U.S. Government with details of how to exploit these backdoors. As a result, America was able to read the communications of several countries. In 1991 the assassins who killed Shahpour Bakhtiar, the exiled former Iranian prime minister, were caught thanks to the interception and backdoor decipherment of Iranian messages encrypted using Crypto AG equipment.

A reader can ask, "How would I react if the events in this book happened to me?” to put a text into

Review the excerpt from The Code Book. Cryptanalysts realize that their real goal is to find a way of cracking the RSA cipher, the cornerstone of modern encryption . . . Use the meaning of the underlined words above to understand the sentence.David’s family was puzzled by the short and cryptic note he left on the table.

Read the excerpt from The Code Book.A more recent development is the so-called tempest attack, which aims to detect the electromagnetic signals emitted by the electronics in a computer's display unit.

How is the word protection different from the word protect?

Jac is reading this paragraph from The Code Book.Mathematicians have been studying factoring for centuries, and modern factoring techniques are not significantly better than ancient techniques. Indeed, it could be that the laws of mathematics forbid the existence of a significant shortcut for factoring.

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Read the excerpt from The Code Book.Although traffic analysis, tempest attacks, viruses and Trojan horses are all useful techniques for gathering information, cryptanalysts realize that their real goal is to find a way of cracking the RSA cipher, the cornerstone of modern encryption.The RSA cipher is used to protect the most important military, diplomatic, commercial and criminal communications—exactly the messages that intelligence gathering organizations want to decipher. If they are to challenge strong RSA encryption, cryptanalysts will need to make a major theoretical or technological breakthrough.

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