Explain briefly how the hybrid approach should be used to encrypt a long message.
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Explain briefly how the hybrid approach should be used to encrypt a long message.
Step by step
Solved in 3 steps
- You have an originating plain text message (in hexadecimal): 41 72 61 62 Use your Student ID number to obtain a 10-bit key as follows: Key (in decimal) = 665. You have to manually cipher the first block of the following plain text message (first 8 bits). The encrypting process will be done using Simplified DES (S-DES). you must explain all steps in detailsencrypt 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 lettersSuppose a message is 5000 bits long. If it is to be encrypted using a block cipher of 64 bits, find both the size of the padding and the number of blocks needed.
- A message has 2000 characters. If it is to be encrypted using a block cipher of 128 bits, find the size of the padding and the number of blocks.Encrypt the message CINEMA using the RSA system with n=17*11 and e=13 translating each letter into integers starting with A=10, and working with blocks of one letter eachThe middle part of triple DES is not an encrypting one, but a decrypting one.
- What is the distinction between blocking and nonblocking with respect to messages?IN UDP, the checksum is used to detect and correct the corrupted segments. A True (B) FalseIf you need to deliver a large file across an encrypted channel, your best options are crypt feedback mode or cypher block chaining. How much more effective is one than the other, exactly?
- Using the RSA algorithm, perform an encryption and decryption calculation of a Message M=32 using prime numbers p= 5 and q=11 Message M=25 using prime numbers p=11 and q=7 Message M=30 using prime numbers p=13 and q = 7Suppose a message is 5000 bits long. If it is to be encrypted using a block cipher of 64 bits, find both the size of the padding and the number of blocks needed. Show your work or upload a photo of your work with your name and in your own handwriting.Use S-DES to encrypt the plaintext block m = 00011010 using the key K = 1011000101. Show your work, labeling the result after each step and circling the final ciphertext c