21 Questions
Which of the following is NOT required for a hash?
Minimum key length of 256 bits
What does a 'collision' refer to in cryptography?
Collision
What is the purpose of a 'salt' in cryptography?
Random bits intermixed with a hash to increase randomness and reduce collisions
Which hash is described in RFC 1321?
MD5
What is the average earning of a seller per month by selling study notes on Docmerit?
$250
What is NOT mentioned as an upload on Docmerit?
Videos
What is the size block used by FORK256?
512
In 1977, researchers at MIT described which asymmetric algorithm?
RSA
What is the formula (M^e)(%n) related to?
Decrypting with RSA
Which of the following equations is related to EC?
$y^2 = x^3 + Ax + B$
What is defined by U.S. Patent 5,231,668 and FIPS 186?
Digital Signature Algorithm (DSA)
What is X.509?
The standard for digital certificates
What is contained in a CRL?
Revoked certificates
What does the Online Certificate Status Protocol (OCSP) provide?
Revoked certificates
In terms of cryptanalysis, what does it mean to break a cipher?
finding any method to decrypt the message that is more efficient than brute force
An authentication method that periodically re-authenticates the client by establishing a hash that is then resent from the client is called ______.
CHAP
What is a TGS?
The server that grants Kerberos tickets
What is Kerchoff's principle?
Only the key needs to be secret, not the actual algorithm.
Which of the following is a fundamental principle of cryptography that holds that the algorithm can be publically disclosed without damaging security?
Kerkchoff's principle
A process that puts a message into the least significant bits of a binary file is called what?
Steganography
If you wished to see a list of revoked certificates from a CA, where would you look?
CRL
Get ready for the WGU C839 Introduction to Cryptography objective assessment with this comprehensive exam containing 350 questions and detailed correct answers. Written by John Smith, this resource has already been graded A+ and is an invaluable study tool.
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