Question: Write a function to decrypt a message that was encrypted using the Affine cipher The input parameters to the function will be the ciphertext, the

Write a function to decrypt a message that was encrypted using the Affine cipher The input parameters to the function will be the ciphertext, the keys a and b that were used to encode the message and the modulus m. This function should get the modular inverse of a by calling the function above and then compute the plaintext message. Test your function with the examples above

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Please show all work and explain :) Decrypt this message that was encrypted using an Affine Transformation. You must show a letter frequency chart and find the smallest positive a and b and write the...

The ciphertext BWDDC was encrypted using an affine cipher of the form fa,b(x) = (ax+b) (mod 26).It is known that the plaintext starts HA. (a) Since we know two letters of the plaintext we can compute...

Write a program that will decrypt the following 3 strings (your main routine should spit out the decrypted text) that were encrypted using the affine cipher e = f(d) = 7d + 3. final String STRING_1 =...

(a). Assume a message m is encrypted using the Shift cipher and the resulting ciphertext is as follows: JBCRCLQRWCRVNBJENBWRWN Please write a program that takes the above ciphertext as input and...

Assume a message m is encrypted using the Shift cipher and the resulting ciphertext is as follows: JBCRCLQRWCRVNBJENBWRWN Please write a program that takes the above ciphertext as input and outputs...

Hello, this is a Discrete Structure II problem, please help. Decrypt the message XJEOSXTQXT which was encrypted using the affine cipher: f(p) = (17p + 3) mod 26 Alphabet:A = 0, B = 1, ..., Z = 25...

Please write your code in the given .Rmd file and submit your script. ? Create an encryption function that takes a message (M), encryption exponent (e) and modulus (N) as input parameters and returns...

The ciphertext below was encrypted using a substitution cipher. Decrypt the ci- phertext without knowledge of the key. lrvmnir bpr sumvbwvr jx bpr lmiwv yjeryrkbi jx qmbm wi bpr xjvni mkd ymibrut jx...

in c++ The science of writing secret codes is called cryptography. For thousands of years cryptography has made secret messages that only the sender and recipient could read, even if someone captured...

A geocentric satellite is in an elliptical orbit with a perigee altitude of 500 km and inclination of 28.5 degrees. Compute its apogee altitude such that the secular drift in argument of perigee is 5...

What is information asymmetry? Why is it important for an enterpriser to reduce it for those outside the business, and how can the enterpriser do this?

The estimated unit costs for a company using absorption (full) costing and planning to produce and sell at a level of 12,000 units per month are as follows. Estimated Cost Item Unit Cost Direct...

Seved Help 14 Wisconsin Snowmobile Corp. is considering a switch to level production Cost efficiencies would occur under level production, and aftertax costs would decline by $31,500, but inventory...

1. What do you know about Samuels career anchors that would make this a good choice for him?

2. How do they influence my actions?

4. Is your choice different from that which you would recommend to Laura?