s the user options to encrypt and decrypt with DES and AES. The program should further offer the user to select a block mode from the options: ECB, CBC, OFB, CFB, and CTR. Your program should be able to work with any
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- Write an application in java that encrypts and decrypts on Counter mode using: Aphine chiper modulo 256, Hills chiper modulo 256 and S-DES (Simplifies DES). Testing data for S-DES using Counter mode start from: 0000 0000, with text in binary form: 0000 0001 0000 0010 0000 0100 and key: 01111 11101 which will give the result: 0011 1000 0100 1111 0011 0010. Decryption should work.Please write a program that performs Cipher Block Chaining encryption and decryption with either AES or DES in either Python or C code language. I know this is not very easy so I will post it multiple times for you to get multiple points on the same answer! thanks!Write a program to encrypt the plain text using transportation cipher(C code only no no output only code)
- Write a program in C that prints the default TCP, UDP, and SCTP send and receive buffer sizes.Encrypt the message " MATH " by translating the letters into numbersand then applying the encryption function given, and then translating the numbers back into letters.(a) f(p)=(17p+5) mod 26 _____ (b) f(p)=(15p+14) mod 26 ___ (c) f(p)=(19p+5) mod 26 ___Use A=0,B=1,C=2,D=3,E=4,F=5,G=6,H=7,I=8, J=9,K=10,L=11,M=12,N=13,O=14,P=15,Q=16,R=17, S=18,T=19,U=20,V=21,W=22,X=23,Y=24,Z=25Create a program (in Java or Python) to encrypt and decrypt messages using the Shift Cipher. Your program should behave as following: Ask the user if they want to encrypt or decrypt a message or quit the program. Ask the user for the key Ask the user for the message Print out the encrypted or decrypted message. Go back to step 1.
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- Msg3. B→A : B, N1, Ks, Message2, h(B, N1, Message2) Whereas: h(m) represents the digest of the message (m). {m}{K} represents the encryption of message (m) using the key (K) PK is public key N1 is a random number. 1. What are the main problems in Msg3?Suppose we will use Advanced Encryption Standard (AES) to encrypt a block of plaintext and the known round key for round 7 is: B5 8D BA D2 31 2B F5 60 7F 8D 29 2F EA D2 73 21 What is the third word (i.e. the third 4 bytes) of the round key for round 8?Answer the given question with a proper explanation and step-by-step solution. qns: In Java please! There is no solution on the Internet that works, please don't copy from other answers because I have checked those