Un-Answered Questions { Ciphers }
What can be proven about the security of a product cipher?
How are block ciphers used to encrypt data longer than the block size?
Can symmetric block ciphers be used for message authentication?
What exactly is DES?
What is differential cryptanalysis?
How was NSA involved in the design of DES?
Is DES available in software?
Is DES available in hardware?
Can DES be used to protect classified information?
What are ECB, CBC, CFB, OFB, and PCBC encryption?
Exactly how strong are these ciphers?
Why do you keep the name of the used cipher in the open?
How to prove a new block cipher, is resistant against differential cryptanalysis attack
What is the meaning of apostrophies in ciphers - ideas?
Name different symmetric ciphers?
