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Is the function f (x) as defined in Encrypt() "1-1" with regard to the coded alphabet? Explain. Is the function f (x) as defined in Encrypt() "onto" with regard to the coded alphabet?? Explain.

Is the function f (x) as defined in Encrypt() "1-1" with regard to the coded alphabet? Explain. Is the function f (x) as defined in Encrypt() "onto" with regard to the coded alphabet?? Explain.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Stuck need help! The class I'm taking is computer science discrete structures. 

Problem is attached. please view both attachments before answering.

I need help with parts A and B.

Please explain answer so I can fully understand.

Really struggling with this concept. Thank you so much.

Let Set A {the quick brown fox jumped over the lazy dog} be a set of strings (two or %3D more characters) formed by characters (single letters) in the standard alphabet. Enumerate (assign numbers to) the alphabet as A В C E F K M P Q V W Y 1 3 4 5 7 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Consider the following encryption algorithm written in pseudo code: Encrypt(set): define f (x) = x + 13 mod 26. Now, Vx E characters of A, If x = 14 mod 26, > f (x) Then x → If not, Then x → X
Transcribed Image Text:Let Set A {the quick brown fox jumped over the lazy dog} be a set of strings (two or %3D more characters) formed by characters (single letters) in the standard alphabet. Enumerate (assign numbers to) the alphabet as A В C E F K M P Q V W Y 1 3 4 5 7 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Consider the following encryption algorithm written in pseudo code: Encrypt(set): define f (x) = x + 13 mod 26. Now, Vx E characters of A, If x = 14 mod 26, > f (x) Then x → If not, Then x → X
Is the function f (x) as defined in Encrypt() "1-1" with regard to the coded alphabet? Explain. Is the function f(x) as defined in Encrypt() "onto" with regard to the coded alphabet?? Explain.
Transcribed Image Text:Is the function f (x) as defined in Encrypt() "1-1" with regard to the coded alphabet? Explain. Is the function f(x) as defined in Encrypt() "onto" with regard to the coded alphabet?? Explain.
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