有高手翻译一下这个摘要么?

Along with the network technology development, the network securityalso becomes now in the network society's focal point focal point,nearly nobody not in discussion network security problem. The moderncomputer encryption technology was meets the network security need butto be supposed to transport produces, it carried on the commonelectronic commerce activity for us to provide the safety control,like carried on the file transfer, the email intercourse in thenetwork and carries on the contract text the signature and so on.Actually encrypts the technology not be newly emerging things, onlyapplies in now the electronic commerce, the computer network or inrecent years history. The password technology protects one ofinformation security main methods. The password technology is unifiesmathematics, the computer science, the electronic communications andso on many disciplines to a body overlapping science. It not only hasthe information encryption function, moreover has the digitalsigna