What is the author's purpose in writing this paragraph?
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.
- the code book,
simon singh
o to persuade readers to become cryptanalysts for
the us government
to inform readers that many people have great
motivation to decode the rsa cipher
to entertain readers by making tem feel frustration
with the rsa cipher
to inform readers about ways cryptanalysts can
read their messages

Central ideas are the most ideas in a text.

Ineed .. read the passage, and choose the two (2) inferences that are most firmly based on the given information. eye contact, also referred to as gaze, is how—and how much—we look at peoplewith whom we are communicating. eye contact has several purposes incommunication.its presence shows that we are paying attention. in addition, how we look at a person reveals a range of emotions such as affection, anger, or fear. moreover, intensity of eye contact may also be used to show dominance. for instance, we talk of someone “staring another person down.” finally, through ou reye contact we can check the effect of our communication. by maintaining our eye contact, we can tell when or whether people are paying attention to us, when people are involved in what we are saying, and what their feelings are about what we are saying. 1. eye contact can be a clue to what we feel and what our listeners feel. 2. our eyes are more important than our ears in effective communication. 3. eye contact can never reveal how much power one person has overanother. 4. sometimes a parent can control children just

Which statement best describes an example of irony from chapters 22 and 23 of the adventures of huckleberry finn