On the Study of Certified Originality for Digital Alteration Problem: Technology Developments of the Time Authentication

3. Digital Information Threats

Importance of digital information in the advanced network society is steadily growing. Information network infrastructure that guarantees security of transaction is vital to the growing opportunity of e-commerce. Secrecy of channel, authentication of document correspondent, and authenticity of exchanged documents are indispensable to security of transaction. Especially, securing digital documents’ authenticity is a serious agenda, as they are distributed easily and rapidly, and copied without difficulty.