Your article says that the effective key strength of 3DES is 112 bits, you are assuming 2-key 3DES. Much more common is 3-key 3DES which has an effective key strength of 168 bits (56*3).
Your article says that the effective key strength of 3DES is 112 bits, you are assuming 2-key 3DES. Much more common is 3-key 3DES which has an effective key strength of 168 bits (56*3).