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WGU C839 OBJECTIVE ASSESSMENT 2 LATEST VERSIONS (VERSION A & B) /WGU C839 INTRODUCTION TO CRYPTOGRAPHY OA ACTUAL EXAM ____________cryptography uses one key to encrypt a message and a different key to decrypt it. - ANSW..Asymmetric $17.99
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WGU C839 OBJECTIVE ASSESSMENT 2 LATEST VERSIONS (VERSION A & B) /WGU C839 INTRODUCTION TO CRYPTOGRAPHY OA ACTUAL EXAM ____________cryptography uses one key to encrypt a message and a different key to decrypt it. - ANSW..Asymmetric
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WGU C839 OBJECTIVE ASSESSMENT 2 LATEST VERSIONS (VERSION A & B) /WGU C839 INTRODUCTION TO CRYPTOGRAPHY OA ACTUAL EXAM ____________cryptography uses one key to encrypt a message and a different key to decrypt it. - ANSW..Asymmetric

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  • November 4, 2024
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  • 2024/2025
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WGU C839 OBJECTIVE ASSESSMENT 2
LATEST VERSIONS (VERSION A & B)
2023-2024 /WGU C839 INTRODUCTION
TO CRYPTOGRAPHY OA ACTUAL EXAM




____________cryptography uses one key to encrypt a
message and a different key to decrypt it. -
✔✔ANSW✔✔..Asymmetric

64bit blocks and 80bit keys
What are the key and block sizes for the following Block
Cipher algorithms:
AES
DES
IDEA
Blowfish
RC5
RC6
SkipJack - ✔✔ANSW✔✔..AES 128bit blocks and either
128bit - 192bit or 256bit keys
DES 64bit blocks and 56bit keys
IDEA 64bit blocks and 128bit keys

,Blowfish 64bit blocks and anywhere between 32 to 488bit
keys
RC5 32 - 64 or 128bit blocks - 0-2040bit keys and 1-255
rounds
RC6 128bit blocks and supports 128 - 192 - and 256 up to
2040bit keys
SkipJack

A _____ is a function and is not reversible. -
✔✔ANSW✔✔..Hash

A cipher is defined as what - ✔✔ANSW✔✔..The
algorithm(s) needed to encrypt and decrypt a message

A number that is used only one time, then discarded is
called what? - ✔✔ANSW✔✔..Nonce

AES (Advanced Encryption 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 - ✔✔ANSW✔✔..Symmetric Key Encryption
Algorithm's

AES is what type of cipher? - ✔✔ANSW✔✔..Block
Cipher

AES is what type of system? - ✔✔ANSW✔✔..Symmetric
systems

Algorithms that are 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.
- ✔✔ANSW✔✔..Type 4

Algorithns used for unclassified cryptographic equipment,
assemblies, or components Endorsed by the NSA for use
in telecommunications and automated information
systems for the protection of national security
information. - ✔✔ANSW✔✔..Type 2

All of the following are key exchange protocols except
for____ DH/AES/MQV/ECDH - ✔✔ANSW✔✔..AES

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