DES is a block cipher operating on  --------- bit  data block.

In public key cryptography user has   ---------key/keys

------------  is a threat , which displays unwanted ads.

--------- used to protect intranet computers from unauthorised internet access.

____________is used to verify the authenticity of the message

________is fake software to get people’s passwords, credit card details

Application level firewalls handle packets for each internet service separately, usually by running a program called a Proxy Server

Third party who are not intended to view the information can see and understand the encrypted data.

Which is not the properties of Digital Signature

Once the money is exhausted in the account -------- card cannot be used

     -------------payment system is highly useful to those customers who would like to control over spending

What are the features of Post-paid Payment System?

  Which is not the properties of e-cash?

Which is not an advantage of E-Cheque?

   Expand SSL

The bank uses its -------------key to digitally sign bank note

  Smart Card is -----------

EFT and Direct Deposit are not an example of electronic money

E-wallets cannot be duplicated