Perform calculation of the given problems using the RSA algorithm. i) You intercept the ciphertext C =10 sent to a user whose public key is e=5, n=35. What is the plaintext M?. ii) The public key of a given user is e = 7, N = 33. What is the private key of this user?

Q: Alice and Bob use the ElGamal scheme with a common prime q=131 and a primitive root a=6. Let Bob's…

A:

Q: Alice and Bob use the ElGamal scheme with a common prime q= 131 and a primitive root a=6. Let Bob's…

A: Key generation Common prime q=131 primary root  = 6 Bob's public key  =3 Random integer chosen k= 4…

Q: Alice and Bob use the ElGamal scheme with a common prime q=131 and a primitive root a=6. Let Bob's…

A: Given, YB=3, q=131, a= 6, k=4, M= 9 The formulas use are : C1=ak mod qC2 = KM mod qK = YBk mod q

Q: We have the numbers 21,22,23,6955. This is an encrypted message with AES encryption. The first 3…

A: AES was established by NIST to encrypt data. It is a block cypher and key size is 128/192/256 bits.…