The most secure form of triple-DES encryption is:
A.
DES-EDE3
B.
DES-EDE1
C.
DES-EEE4
D.
DES-EDE2
Explanation:
Triple DES with three distinct keys is the most secure form of
triple-DES encryption. It can either be DES-EEE3 (encrypt-encrypt-encrypt) or
DES-EDE3 (encrypt-decrypt-encrypt).
DES-EEE3
According to the book “The CISSP Prep Guide: Mastering the CISSP and ISSEP?Exams
By Ronald L. Krutz, Russell Dean Vines” page 220.
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