Below Cryptography quiz are Multiple Choice Questions (MCQs) type Quiz. These Cryptography MCQ Questions helps you to refresh your Cryptography, you can see the correct option by clicking on it. .
1. Non-repudiation
Ensure message remains secret during transmission between parties
Ensure message is not altered while in transit between communicating partners
Verifies sender is who she says she is
Proves that nobody but on sender could have sent a particular message
2. The relationship between a character in the plaintext to a character is
many-to-one relationship
one-to-many relationship
many-to-many relationship
one-to-many relationship
3. When a user needs to provide message integrity, what options may be best?
Send a digital signature of the message to the recipient
Encrypt the message with a symmetric algorithm and send it
Encrypt the message with a private key so the recipient can decrypt withthe corresponding public key
Create a checksum, append it to the message, encrypt the message, thensend to recipient.
4. In Cryptography, the original message, before being transformed, is called
Simple Text
Plain Text
Cipher Text
Filled Text
5. Encrypt the word alphabet using a Caesar cipher with a shift of 3
DVSDULQV
DOOFOHDU
DOSKDEHW
DORQHBHV
6. An encryption algorithm transforms plain text into:
Cipher text
Simple Text
Empty Text
Plain Text
7. In Rotation Cipher, keyless rotation the number of rotations is
Jammed
Idle
Rotating
Fixed
8. What is the term used to describe the science of making and breaking secret codes?