Preliminary Study on Digital Signature Technology and Application

With the rapid development of network technology and software technology, the application of digital signature technology is increasingly widespread. The paper first introduced some basic concepts of digital signature, then made a detailed description of the application of digital signature, and finally made a preliminary analysis of some of the problems faced by the current digital signature technology. The signature is generally a legal act, which can be confirmed at least two points based on its functions: (1) identify the signer; (2) indicate that the signer recognized the contents of the file. In the traditional life, government documents, orders and treaties, commercial contracts and various office transaction processing must be signed or sealed by hand, in order to be legalized, approved and become effective. With the rapid development of modern communication technology, in the informational age, e-commerce, electronic transactions have become increasingly frequent, the global market competition heightened day by day, the way of the traditional signature faces enormous challenges. As a new technology, digital signature is gradually spread to the social life, especially the application of office automation, making people's work quality and efficiency further improved.