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Exam 12: Cryptography

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Question 31

Multiple Choice

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Match each item with a statement below. -Operate on plaintext one bit at a time

A) asymmetric algorithm
B) DEA
C) symmetric algorithm
D) certificate
E) hashing algorithm
F) birthday attacks
G) stream cipher
H) PKI
I) key
J) salt

K) C) and E)
L) D) and J)

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Question 32

Multiple Choice

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Match each item with a statement below. -A sequence of random bits generated from a range of allowable values

A) asymmetric algorithm
B) DEA
C) symmetric algorithm
D) certificate
E) hashing algorithm
F) birthday attacks
G) stream cipher
H) PKI
I) key
J) salt

K) B) and H)
L) B) and E)

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Question 33

Multiple Choice

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What type of attack is being performed when the attacker has access to plaintext and ciphertext,and can choose which messages to encrypt?

What is cryptanalysis?

What application is considered the original password-cracking program and is now used by many government agencies to test for password strength?

Asymmetric algorithms are more scalable than symmetric algorithms.

Match each item with a statement below. -A digital document that verifies the two parties exchanging data over the Internet are really who they claim to be

Which of the following is a function that takes a variable-length string or message and produces a fixed-length message digest?

Match each item with a statement below. -A structure consisting of programs,protocols,and security policies for encrypting data and uses public key cryptography to protect data transmitted over the Internet

What encryption algorithm is efficient requiring few resources,and is based on complex algebra and calculations on curves?