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Which of the following algorithms uses three different keys to encrypt the plain text?

A.
Skipjack
Answers
A.
Skipjack
B.
AES
Answers
B.
AES
C.
Blowfish
Answers
C.
Blowfish
D.
3DES
Answers
D.
3DES
Suggested answer: D

Explanation:

3DES

https://en.wikipedia.org/wiki/Triple_DES

Triple DES (3DES) has a three different keys with same size (56-bit).

Incorrect answers:

AES. For AES, NIST selected three members of the Rijndael family, each with a block size of 128 bits, but three different key lengths: 128, 192 and 256 bits.

Blowfish. Blowfish has a 64-bit block size and a variable key length from 32 bits up to 448 bits.

Skipjack. Skipjack uses an 80-bit key to encrypt or decrypt 64-bit data blocks.

asked 18/09/2024
Dominique Reemer
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