Using opt-out links is the safest and most reliable technique to decrease the quantity of spam you get. Is this correct or incorrect?
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Using opt-out links is the safest and most reliable technique to decrease the quantity of spam you get. Is this correct or incorrect?
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- How is the hash value of a message secured? Does it still function if you don't have the secret key?You have been recently employed as part of a Network Snooping Association. You first task requires the use of a One-Time Pad to scramble a message. Given the Pad below: PAD1: 25 17 12 11 22 1 26 2 29 3 11 15 22 5 15 25 30 4 16 1 Scramble the message “I_AM_ _PREGNANT._ _ _”. The result cipher text should be descrambled to get back the original message or plaintext.Using transposition cipher, encrypt the message "hello" and then decrypt it.
- In a public-key system using RSA, you intercept the ciphertext C = 10 sent to a user whose public key is e = 5,n = 35. What is the plaintext M?Using ADFGVX Cipher, encrypt the message "I am happy" and decrypt it back. Please explain in details the decrytion part as wellencrypt the message NEED HELP by translating the letters into numbers, applying the encryption function f(p)=(p+3) mod 26, and then translating the numbers back into letters
- Use RSA encryption to post a message. Use the RSA scheme with p = 3 and q = 11.This is case sensitive. The government hired you to decrypt the encrypted message. The hacker used a Denial of Service attack, which resulted in a massive blackout of the government websites' internet services. The only way to get things back to normal is to decode the message left by the hacker. The message has been decoded as follows: 01010011 01110100 01110101 01000100 01111001 00100000 01001000 01100001 01110010 01100100 00100000 00100110 00100000 01101101 01100001 01001011 01100101 00100000 01110011 01110101 01110010 01100101 00100000 01010100 01101111 00100000 01110000 01000001 01110011 01010011 00100000 01110100 01101000 01100101 00100000 01000101 01101101 01010000 01101111 01110111 01100101 01010010 01101101 01100101 01101110 01110100 00100000 01010100 01100101 01100011 01101000 01101110 01101111 01101100 00110000 01100111 01101001 01100101 01110011 00100000 01110011 01010101 01100010 01101010 01100101 01100011 01110100 00101110Encrypt the message DEFEND THE BORDER using RSA encryp-tion with key (e, n) = (11, 3071).
- If you're sending a huge file, you'll need to use cypher block chaining or cypher feedback mode. By how much is one more efficient?In a public-key system using RSA, you intercept the ciphertext C =10 sent to a user whose public key is e = 19, n = 99. What is theplaintext M?Using the transposition cipher technique, decrypt the following message: EENRE*ERTEA*GRS The message was encrypted using a grid of 3 by 5 (3 rows, 5 columns) by spiraling inward from the top right of the grid moving clockwise.