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Mama L [17]
3 years ago
11

The section called Breaking Substitution Ciphers (p. 166) describes a "random substitution cipher," in which each letter of the

alphabet is randomly replaced with a different letter or character i.e. A→T, B→F… What makes a random substitution cipher more secure than a Caesar shift?
Computers and Technology
1 answer:
timofeeve [1]3 years ago
5 0

Answer: Compared to a Caesar shift, the random substitution cipher offers many more possibilities, because the encryption is randomly chosen.

Explanation:

A Caesar Cipher is also a type of substitution cipher, but instead of doing it randomly, it shifts the alphabet by a certain number of characters. Therefore, the answer to decrypt the message is simply to figure out that number.

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Write a program that first gets a list of integers from input. The input begins with an integer indicating the number of integer
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Answer:

The program in Python is as follows:

def get_user_values():

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get_user_values()

Explanation:

This defins the get_user_values() method; it receives no parameter

def get_user_values():

This initializes user_values list

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<em>    for i in range(n+1):</em>

<em>        inp = int(input())</em>

<em>        user_values.append(inp)</em>

This passes the list and the upper threshold to the output..... list  output_ints_less_than_or_equal_to_threshold(user_values,user_values[n])

This defines the output.... list

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This iterates through the list

   for i in user_values:

If current element is less or equal to the upper threshold, the element is printed

<em>        if i <= upper_threshold:</em>

<em>            print(i,end=" ")</em>

The main method begins here where the get_user_values() method is called

get_user_values()

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