stud
bud
Sign up
Log in
Home
Library
Explore
SAT
More
Crypto Review Flashcards | StudBud
Explore
/
Crypto Review
Crypto Review
17 terms
·
StudBud Administration
·
24 plays
Imported from external platform
Flashcards
17 cards
F
Practice quiz
P
Host live
L
Questions
17
Answers
1
Process of converting readable data into unreadable characters to prevent unauthorized access.
Coding
Ciphertext
Encryption
Integrity
2
Which "Pillar of Cybersecurity" does cryptography primarily address?
Assurance
Self-confidence
Confidentiality
Integrity
3
md5 is a secure hash algorithm
True
False
4
What makes an encryption algorithm stronger?
repetition
shorter keys
longer messages
randomness
5
Attempting to decode a secret message without knowing all the specifics of the cipher and WITHOUT a key.
Random Substitution Cipher
Decrypting a code or encryption
Brute Force Analysis
Cracking a code or encryption
6
How many keys are used in symmetric cryptography?
5
1
2
12
7
What makes an encryption algorithm stronger?
randomness
longer messages
repetition
shorter keys
8
When two different inputs result in the same output, that is...
Called an "accident"
Called "normal"
Called a "hot mangled mess"
Called a "collision"
9
This classic cryptographic system is still unbreakable:
Atbash Cipher
Caesar cipher
Enigma
One Time Pad
10
A technique for encryption that shifts the alphabet by some number of characters
Random substitution cipher
Atbash cipher
Vigenere Cipher
Caesar Cipher
11
A computer "hash" can be decrypted
True
False
12
This word describes the result of a hash function running on a file in order to verify its integrity
sumcheck
checksum
filecheck
hashcheck
13
When you log into a web site, your password is usually stored in plaintext
True
False
14
Which of these is NOT an extra bit of randomness that can be used in computer hashes?
pepper
ketchup
salt
15
Frequency Analysis is useful because
Human languages are redundant
The frequency of letters is unequal
All of the above
There are only a few 2-letter word possibilities
16
Brute Force and Frequency Analysis are
Ways to crack substitution ciphers
Forms of Classical cryptography
A keyspaces
Are plain text/clear text formats
17
Cryptoanalysis of the Caesar cipher reveals only 26 possible ciphers
True
False
