WGU C839 Flash Cards for OA with 100- correct answers

WGU C839 Flash Cards for OA
with 100% correct answers
DES - answer 64 Bit Block - 56 Bit Key - 16 Rounds


AES - answer 128 Bit Block - 128, 192, 256 Bit Key - 10, 12, 14
Rounds


BlowFish - answer 64 Bit Block - 32 thru 448 Bit Key - 16 Rounds


TwoFish - answer 128 Bit Block - 1 thru 256 Bit Key - 16 Rounds


Serpent - answer 128 Bit Block 128, 192, 256 Bit Key - 32 Rounds


SkipJack - answer 64 Bit Block - 80 Bit Key - 32 Rounds


IDEA - answer 64 Bit Block - 128 Bit Key - 8.5 Rounds


Symmetric Block Ciphers - answer DES - AES - BlowFish - TwoFish -
Serpent - SkipJack - IDEA


Symmetric Block Ciphers with 64 Bit Block Size - answer DES -
BlowFish - SkipJack - IDEA


Symmetric Block Ciphers with 128 Bit Block Size - answer AES -
TwoFish - Serpent


Symmetric Block Ciphers with 128, 192, 256 Bit Key Size - answer
AES - Serpent

, Symmetric Block Ciphers with 16 Rounds - answer DES - BlowFish -
TwoFish


Symmetric Block Ciphers with 32 Rounds - answer Serpent -
SkipJack


RC4 - answer 1 thru 2048 Bit Key Size & 1 Round (40 bit minimum
recommended)


FISH - answer Uses Lagged Fibonacci pseudorandom number
generator


PIKE - answer Revised version of FISH to address known plaintext
attack vulnerabilities


Symmetric Stream Ciphers - answer RC4 - Fish - Pike


Asymmetric Encryption Algos - answer RSA - ECC - El Gamal - DSA


RSA - answer Leverages prime number characteristics, 1024-4096
bit variable key size, 1 round. Uses Trapdoor function to enable use
for encryption and digital signatures. One-way trapdoor functions
can be inverted with knowledge of trapdoor factorization
information.


ECC - answer Leverages discrete logarithm characteristics


El Gamal - answer Used in recent versions of PGP


DSA - answer A Federal Information Processing Standard for digital
signatures (FIPS 186)