Western Governors University D 426
WGU Course C839 - Intro to Cryptography
Quizlet by Brian MacFarlane
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C839v5/D334 Additional Practice C839v5/D334 Algorithms Drill E-CES, 212-81, Module 1, History of C... Introdu
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What type of encryption uses different keys to encrypt D
and decrypt the message?
A Symmetric
B Private key
C Secure
D Asymmetric
The most widely used asymmetric encryption algorithm is A
what?
A RSA
B Vigenere
C DES
D Caesar Cipher
Original, unencrypted information is referred to as ____. B
A text
B plaintext
C cleantext
D ciphertext
, Which of the following is NOT an asymmetric system? D
A PGP
B RSA
C SSL
D DES
In order for User A to send User B an encrypted message C
that only User B can read, User A must encrypt message
with which of the following keys?
A User A's public key
B User A's private key
C User B's public key
D User B's private key
The greatest weakness with symmetric algorithms is _____. B
A They are less secure than asymmetric
B The problem of key exchange
C They are slower than asymmetric
D The problem of generating keys
Which of the following is generally true about block D
sizes?
A Smaller block sizes increase security
B Block sizes must be more than 256 bits to be secure
C Block size is irrelevant to security
D Larger block sizes increase security
A _____ is a function that takes a variable-size input m and B
returns a fixed-size string.
A Symmetric cipher
B Hash
C Asymmetric cipher
D Feistel
Which of the following is a cryptographic protocol that D
allows two parties to establish a shared key over an
insecure channel?
A Elliptic Curve
B RSA
C MD5
D Diffie-Hellman
WGU Course C839 - Intro to Cryptography
Quizlet by Brian MacFarlane
7 studiers in 3 days 4.8 (74 reviews)
Save
Students also studied
Flashcard sets Study guides
C839v5/D334 Additional Practice C839v5/D334 Algorithms Drill E-CES, 212-81, Module 1, History of C... Introdu
Teacher 165 terms Teacher 51 terms 20 terms 120 term
ShawnD_ Preview ShawnD_ Preview sofajedi77 Preview Per
Terms in this set (293) Hide definitions
What type of encryption uses different keys to encrypt D
and decrypt the message?
A Symmetric
B Private key
C Secure
D Asymmetric
The most widely used asymmetric encryption algorithm is A
what?
A RSA
B Vigenere
C DES
D Caesar Cipher
Original, unencrypted information is referred to as ____. B
A text
B plaintext
C cleantext
D ciphertext
, Which of the following is NOT an asymmetric system? D
A PGP
B RSA
C SSL
D DES
In order for User A to send User B an encrypted message C
that only User B can read, User A must encrypt message
with which of the following keys?
A User A's public key
B User A's private key
C User B's public key
D User B's private key
The greatest weakness with symmetric algorithms is _____. B
A They are less secure than asymmetric
B The problem of key exchange
C They are slower than asymmetric
D The problem of generating keys
Which of the following is generally true about block D
sizes?
A Smaller block sizes increase security
B Block sizes must be more than 256 bits to be secure
C Block size is irrelevant to security
D Larger block sizes increase security
A _____ is a function that takes a variable-size input m and B
returns a fixed-size string.
A Symmetric cipher
B Hash
C Asymmetric cipher
D Feistel
Which of the following is a cryptographic protocol that D
allows two parties to establish a shared key over an
insecure channel?
A Elliptic Curve
B RSA
C MD5
D Diffie-Hellman
