WGU C839 Flash Cards for OA Already Graded A

WGU C839 Flash Cards for OA Already
Graded A
DES ✔✔64 Bit Block - 56 Bit Key - 16 Rounds


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


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


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


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


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


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


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


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


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


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


Symmetric Block Ciphers with 16 Rounds ✔✔DES - BlowFish - TwoFish


Symmetric Block Ciphers with 32 Rounds ✔✔Serpent - SkipJack

, RC4 ✔✔1 thru 2048 Bit Key Size & 1 Round (40 bit minimum recommended)


FISH ✔✔Uses Lagged Fibonacci pseudorandom number generator


PIKE ✔✔Revised version of FISH to address known plaintext attack vulnerabilities


Symmetric Stream Ciphers ✔✔RC4 - Fish - Pike


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


RSA ✔✔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 ✔✔Leverages discrete logarithm characteristics


El Gamal ✔✔Used in recent versions of PGP


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


Hash Algos ✔✔MD5 - SHA1 - SHA256 - FORK256 - RIPEMD160 - GOST - TIGER


MD5 ✔✔128 Bit Hash Value


SHA1 ✔✔160 Bit Hash Value


SHA256 ✔✔256 Bit Hash Value