Implementation of network security based on technology of digital signature

Aiming at the problem of computer network security, this article offers solutions to the digital signature, gives a brief outline of the digital signature applied and needed in various kinds of fields, analyses the principle of transmitted and confirmed digital signature and adjudicated controversy.The author sets forth the process of the digital signature based on JAVA's DSA algorithm, puts forward JAVA functional format and syntax, and also presnt, JAVA source programming in realizing the whole process of the digital signature.