what is ECB?
What makes a product cipher secure?
What are IP Tunnels?
What are the most important attacks on stream ciphers ?
What are good sources of randomness?
What are typical key spaces for symmetric and asymmetric ciphers?
Are one-time pads really unbreakable?
Is DES available in hardware?
What is a one-time-pad?
What is a product cipher?
Which of the two ciphers have the larger key space?
How to encrypt swap?
What is differential cryptanalysis?
How to make backups?
Does IAIK support RC4 ? Is the code written the same way as for RC2 ?