NETWORK SECURITY WITH CRYPTOGRAPHY Power Point And Seminar Topics

There are many aspects to security and many applications, Ranging from secure commerce and payments to private communications and protecting passwords. One essential aspect for    Secure communications is that of cryptography. Cryptography is the science of writing in secret code and is an ancient art. The first documented use of cryptography in writing dates back to circa 1900 B.C. when an Egyptian scribe used non-standard hieroglyphs in an inscription.  In data and telecommunications, cryptography is necessary when communicating over any untrusted medium, which includes just about any network, particularly the Internet.