Symmetric Cryptography

Symmetric algorithms do some things really well and other things not so well. Modern symmetric algorithms are great at all of the following: ■ Preserving confidentiality ■ Increasing speed ■ Ensuring simplicity (relatively speaking, of course) ■ Providing authenticity .ymmetric algorithms have their drawbacks in these areas: ■ Key management issues ■ Lack of nonrepudiation … Read more