Exam 212-81 Topic 4 Question 47 Discussion

Actual exam question for EC-COUNCIL's 212-81 exam
Question #: 47
Topic #: 4
Which of the following algorithms uses three different keys to encrypt the plain text?

Suggested Answer: D Vote an answer

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.

by Kelly at Sep 02, 2024, 02:54 AM

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