WorksheetsCNS-Quiz
Total questions: 10
Worksheet time: 5mins
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 with
the corresponding public key
Create a checksum, append it to the message, encrypt the message, then
send to recipient.
We are using hash functions mainly to provide
confidentiality
integrity
authentication
availability
Hash function should have fixed size input and variable size output ?
true
false
the digest created by hash functions is normally called as?
Modification Detection Code(MDC)
Modify Authentication Connection
Message Authentication Control
Message Authentication Cipher
When a hash function is used to provide message authentication, the hash function value is referred to as
a) Message Field
b) Message Digest
c) Message Score
d) Message Leap
