Worksheets1.3.1 - Encryption & Hashing
Total questions: 13
Worksheet time: 9mins
What is encryption?
Data is altered to make it easy to read
Transforms data to make it easier to enable hackers to access it
Transform data from one form into another
Data is altered to prevent people from reading it
Original data ready to be encrypted is called
Plaintext
Ciphertext
Cipher
Key
Encrypted data is called
Plaintext
Ciphertext
Cipher
Key
Algorithms used to encrypt data is called
Plaintext
Ciphertext
Cipher
Key
Information to lock or unlock the message is the ...
Plaintext
Ciphertext
Cipher
Key
Symmetric encryption ..
Uses the same key to encrypt and decrypt data
Is very secure
Is not very secure
Uses different keys to encrypt and decrypt data
Symmetric encryption ..
Sends out new keys can be sent out each time there is a new message
Interception and duplication of the key can happen
Is not very secure
Uses different keys to encrypt and decrypt data
Asymmetric encryption ..
Sends out new keys can be sent out each time there is a new message
Interception and duplication of the key can happen
Is very secure
Uses different keys to encrypt and decrypt data
Asymmetric encryption ..
Uses 2 different keys are used, 1 for the sender 1 for the receiver
Transforms the data ready to compare to a database
Is not very secure
's two keys are different and it is virtually impossible to get one key from the other
Asymmetric encryption ..
Sends out new keys can be sent out each time there is a new message
Negates the risk of sharing keys and interception risk is lowered
Has a public and private key
Interception and duplication of the key can happen
Hashing is ...
The interception of a key that is used to decrypt data
The transformation of a string of characters into a fixed length value or key that represents the original input string
When data from a database is mismanaged
When minor changes in the original string can completely change the hash value
Hashing is ...
Changes data before it reaches the spreadsheet records to be compared to
Is very secure
Is not very secure
Changes data before it reaches the database records to be compared to
Hashing ...
Changes data before it reaches the spreadsheet records to be compared to
Never stores sensitive data as plain text
Is not very secure
Stops hackers being able to see data and they will only see the hashed values
