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In symmetric key encryption, the key is called

• private key

• public key

• secret key

• common key

In asymmetric encryption scheme, the key used for encryption is

• private key of sender

• public key of sender

• private key of receiver

• public key of receiver

In asymmetric encryption system, which key should be kept secret?

• private key

• public key

• secret key

• session key

Which key is used to sign digital document

• private key of sender

• public key of sender

• private key of receiver

• public key of receiver

In digital signature, which key is used to verify the signature

• private key of sender

• public key of sender

• private key of receiver

• public key of receiver

Which key is used in HTTPS for encrypting data?

• private key of server

• public key of server

• private key of browser

• public key of browser

• session key

Which key is used in sharing session key of HTTPS?

• private key of server

• public key of server

• private key of browser

• public key of browser

Which does the X.509 certificate( found on the browser when connecting to a website) contain?

• private key of server

• public key of server

• session key

• shared key

The trust in the content of the X.509 certificate is established based on which mechanism?

• public key encryption

• secret key encryption

• hash function

• digital signature

Digital signature provides

• confidentiality

• authenticity

• integrity

• availability