Modular Arithmetic
7 MOD 15
7
This cipher maps every letter randomly to another letter
Substitution cipher
How is asymmetric encryption different from symmetric encryption?
one key to encrypt, another to decrypt
What are a 2 things the has function is used for?
password storage & digital certificates & digital signatures
This singer was finally 'set free' after a 15 year conservatorship.
Brittney Spears
(8+10) MOD 12
6
This cipher was created by the ancient Romans and shifts the entire alphabet
Caesar Cipher
What is the name of the world-changing asymmetric encryption scheme?
Public Key Encryption
What is a hash collision?
When 2 inputs have the same output.
What was just approved for children 5 and older?
Pfizer COVID vaccine
25 MOD 50
25
This cipher replaces all of the letters in the alphabet with symbols
Pigpen Cipher
What serves as the one-way function in public key encryption?
Modular Arithmetic
Tell me one fact about the length of a hash digest.
fixed-length, depending on the type of function being used.
What will be the next Marvel Movie?
Spider-Man: No Way Home
(7 * 3) MOD 19
2
This cipher's encrypted text is a list of numbers that map to a page, line, and word in a specific text.
Book Cipher
In an asymmetric encryption scheme, THIS is kept private and is never shared, and is used to decrypt messages.
Private Key
What are 3 characteristics of a good hash function?
Computationally efficient, Hides input, collision resistant, looks random
This really famous old white guy just got his 3rd vaccine shot on live TV yesterday
President Biden
What is the highest number answer you could get with a modulus (clock size) of 23?
22
This cipher was considered unbreakable due to it's key mapping each letter in the plaintext to a different letter in a shifted alphabet
Vigenere Cipher
List 5 things made possible by public key encryption.
Answers vary
What is the name of the hash collision that Google Engineers created?
SHA-ttered
Which WWE superstar just had her first baby?
Ronda Rousey