WGU C839 OBJECTIVE ASSESSMENT 2 LATEST
VERSIONS (VERSION A & B) 2023-2024 /WGU
C839 INTRODUCTION TO CRYPTOGRAPHY OA
ACTUAL EXAM
Terms in this set (129)
64bit blocks and 80bit keys AES 128bit blocks and either 128bit - 192bit or 256bit keys
What are the key and block DES 64bit blocks and 56bit keys
sizes for the following Block IDEA 64bit blocks and 128bit keys
Cipher algorithms: Blowfish 64bit blocks and anywhere between 32 to
AES 488bit keys
DES RC5 32 - 64 or 128bit blocks - 0-2040bit keys and 1-255
IDEA rounds
Blowfish RC6 128bit blocks and supports 128 - 192 - and 256 up to
RC5 2040bit keys
RC6 SkipJack
SkipJack
An administrator needs to hvxfirgb
encrypt the following word
with the Atbash cipher:
security What is the correct
ciphertext?
, AES (Advanced Encryption Symmetric Key Encryption Algorithm's
Standard)
DES (Data Encryption
Standard)
IDEA (International Data
Encryption Algorithm)
Blowfish (Drop-in
replacement for DES or
IDEA)
RC4 (Rivest Cipher 4)
RC5 (Rivest Cipher 5)
RC6 (Rivest Cipher 6)
SkipJack
Chameleon
Fish
Helix
SOBER
WAKE
AES is what type of cipher? Block Cipher
AES is what type of system? Symmetric systems
Algorithms that are Type 4
registered by the NIST but
are not FIPS published and
are unevaluated
commercial cryptographic
equipment/ assemblies/ or
components that neither
NSA nor NIST certify for any
Government usage.
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