An RSA cipher has public key pq = 65 and e = 7. Translate the message YES into its numeric equiv...
An RSA cipher has public key pq = 65 and e = 7.
- Translate the message YES into its numeric equivalent, and use the formula C = Me (mod pq) to encrypt the message. Decrypt the ciphertext 50 16 and translate the result into letters of the alphabet to discover the message.
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An RSA cipher has public key pq = 65 and e = 7. Translate the message YES into its numeric equiv...
Discrete Mathematics. (a) Use modular arithmetic to find 1040 mod 210. Show your working. (b) An...
Discrete Mathematics. (a) Use modular arithmetic to find 1040 mod 210. Show your working. (b) An RSA cryptosystem uses public key pq = 65 and e = 7. Decrypt the ciphertext 57 9 and translate the result into letters of the alphabet to discover the message.
Discrete Mathematics. Question 2: (a) Use modular arithmetic to find 1040 mod 210. Show your working....
Discrete Mathematics. Question 2: (a) Use modular arithmetic to find 1040 mod 210. Show your working. (b) An RSA cryptosystem uses public key pq = 65 and e = 7. Decrypt the ciphertext 57 9 and translate the result into letters of the alphabet to discover the message.
Using RSA cipher, public key e=3, private key d=7 Encrypt the following message “Hello there” Decrypt...
Using RSA cipher, public key e=3, private key d=7 Encrypt the following message “Hello there” Decrypt the previous message
O-8. (15 points) Bob's simple toy RSA eryptosystem has public key kyub(n, e) (65,5), where n =p,-...
o-8. (15 points) Bob's simple toy RSA eryptosystem has public key kyub(n, e) (65,5), where n =p,-5x13-65 and e-5. I. Describe the key pair generation procedure for Bob to generate his private key kor- d. With the above given parameters, use EEA to calculate d 2. Describe RSA encryption procedure that Alice uses to encrypt her plaintext message x to its above given parameters, what will be y? ciphertext y before sending the message to Bob. Suppose Alice's message x-...
(d) Decrypt the ciphertext message LEWLYPLUJL PZ H NYLHA ALHJOLY that was encrypted with the shift cipher f(p) (p+7) mod 26. [10 points] (e) [Extra Credit - 5 points] Encrypt the message "BA"...
(d) Decrypt the ciphertext message LEWLYPLUJL PZ H NYLHA ALHJOLY that was encrypted with the shift cipher f(p) (p+7) mod 26. [10 points] (e) [Extra Credit - 5 points] Encrypt the message "BA" using the RSA cryptosystem with key (ne) = (35,5), where n = p . q 5-7 and ged(e, (p-1) 1)) (5, 24) 1. 6. [5 points each (a) Is 2 a primitive root of 11? (b) Find the discrete logarithm of 3 modulo 11 to the base...
(8) In an RSA cryptosystem, Bob’s public key is (n = 629, e = 43). Alice...
(8) In an RSA cryptosystem, Bob’s public key is (n = 629, e = 43). Alice uses this public key to encrypt the word “MARCH” and send the ciphertext to Bob. First, she represents this word in ASCII where the capital letters A, B, C, . . . , X, Y, Z are represented by integers 65, 66, 67, . . . , 88, 89, 90 respectively. Then she encrypts the five integers that represent M, A, R, C, H...
JAVA PROJECT Part 1 - Normalize Text The first thing we will do is normalize the...
JAVA PROJECT Part 1 - Normalize Text The first thing we will do is normalize the input message so that it’s easier to work with. Write a method called normalizeText which does the following: Removes all the spaces from your text Remove any punctuation (. , : ; ’ ” ! ? ( ) ) Turn all lower-case letters into upper-case letters Return the result. The call normalizeText(“This is some \“really\” great. (Text)!?”) should return “THISISSOMEREALLYGREATTEXT” Part 2 - Obfuscation...
o-8. (15 points) Bob's simple toy RSA eryptosystem has public key kyub(n, e) (65,5), where n =p,-5x13-65 and e-5. I. Describe the key pair generation procedure for Bob to generate his private key kor- d. With the above given parameters, use EEA to calculate d 2. Describe RSA encryption procedure that Alice uses to encrypt her plaintext message x to its above given parameters, what will be y? ciphertext y before sending the message to Bob. Suppose Alice's message x-...
(d) Decrypt the ciphertext message LEWLYPLUJL PZ H NYLHA ALHJOLY that was encrypted with the shift cipher f(p) (p+7) mod 26. [10 points] (e) [Extra Credit - 5 points] Encrypt the message "BA" using the RSA cryptosystem with key (ne) = (35,5), where n = p . q 5-7 and ged(e, (p-1) 1)) (5, 24) 1. 6. [5 points each (a) Is 2 a primitive root of 11? (b) Find the discrete logarithm of 3 modulo 11 to the base...
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