Ciphers

An encryption key is used to help decrypt messages

• True
• False

Tags

CCSS.RI.9-10.4

CCSS.RI.9-10.4

CCSS.RI.6.4

CCSS.RI.7.4

CCSS.RI.8.4

TRUE or FALSE

Encrypted passwords will provide guaranteed protection from hacking

• TRUE

• FALSE

Taking a message and changing to the original plain text is known as?

• Key

• Encryption

• Decryption

The process of converting plaintext to ciphertext.

• cryptography

• cyphertext

• decryption

• encryption

Which best describes a Caesar Cipher?

• Each letter is replaced with a symbol

• Each letter is replaced with a letter a certain number of steps down the alphabet

• Each letter is replaced with a particular number from 0 to 26, and numbers are replaced with letters.

• Each letter is replaced with a completely random number

Who was the first know user of the Caesar Cipher?

• Caesar Romanus

• Julius Caesar

• Alan Turing

• There isn't one

Tags

CCSS.L.1.5A

CCSS.L.1.5B

CCSS.L.K.5A

How does a Vigenere Cipher work?

• A message is encrypted with another row of letters.

• A message is replaced with one other letter.

Which is the strongest keyword below for a Vigenere Cipher

• aaaaa

• abracadabra

• wrpzmnw

• shoelace