Computers and Technology, 03.12.2021 17:00 zacharynugent
Let k be the encryption key for a Caesar cipher. Then, the decryption key is 26-k. One of the characteristics of a public key system is that the encryption and decryption keys are different. Why is the Caesar cipher not a public key system, even though its encryption and decryption keys are different
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Computers and Technology, 23.06.2019 06:00, ashleyd198308
Respond to the following in three to five sentences. select the workplace skill, habit, or attitude described in this chapter that you believe is most important for being a successful employee.
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Computers and Technology, 23.06.2019 19:00, amayax77
Write a program that displays the following menu: geometry calculator 1. calculate the area of a circle 2. calculate the area of a rectangle 3. calculate the area of a triangle 4. quit enter your choice (1-4): if the user enters 1, the program should ask for the radius of the circle and then display its area. use the following formula: area = ď€(the square of r) use 3.14159 for ď€ and the radius of the circle for r. if the user enters 2, the program should ask for the length and width of the rectangle and then display the rectangle’s area. use the following formula: area = length * width if the user enters 3, the program should ask for the length of the triangle’s base and its height, and then display its area. use the following formula: area = base * height * .5 if the user enters 4, the program should end. input validation: display an error message if the user enters a number outside the range of 1 through 4 when selecting an item from the menu. do not accept negative values for the circle’s radius, the rectangle’s length or width, or the triangle’s base or height. note: if the user enters an improper menu choice (1-4), the program prints "the valid choices are 1 through 4. run the program again and select one of those." if the user enters a negative radius, the program prints "the radius can not be less than zero." if the user enters a negative value for height or base, the program prints "only enter positive values for base and height."
Answers: 1
Let k be the encryption key for a Caesar cipher. Then, the decryption key is 26-k. One of the charac...
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