Question

Suppose that we define triple 3DES with a 168 bit key C = E(E(E(PK1)K2)K3). Suppose we can compute and store a table of size 2 to the 56 and a chosen plaintext attack is possible. SHow that triple 3DES is no more secure than the usual 3DES which only uses a 112bitkey"

Answer 1

Suppose that we define triple 3DES with a 168 bit key C = E(E(E(PK1)K2)K3). Suppose we can compute and store a table of size 2 to the 56 and a chosen plaintext attack is possible. SHow that triple 3DES is no more secure than the usual 3DES which only uses a 112bitkey

Step-by-step explanation:

Suppose that we define triple 3DES with a 168 bit key C = E(E(E(PK1)K2)K3). Suppose we can compute and store a table of size 2 to the 56 and a chosen plaintext attack is possible. SHow that triple 3DES is no more secure than the usual 3DES which only uses a 112bitkey