数据库外文翻译--设计和实现短信安全系统的无线环境

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1、PDF外文：http:/ and Implementation of SMS Security System for Wireless Environment Yan-Ha1, Hea-Sook Park1, Soon-Mi Lee1, Young-Whan Park1, and Young-Shin Han2 Abstract. This paper aims at developing communication module and application program for client management module and developing database manag

2、ement module and managing wireless communication facilities for server systems. To construct these aims, we have adapted DES algorithm and researched on encrypting and decrypting module development applicable to SMS Security System and optimize module size and processing speed. In addition, the XML

3、technology is applied to encrypt only the contents of the message in a way to reduce the volume of data to process and shorten the time to encrypting. 1. Introduction 1. 1 Background of the Study SMS(Short Message Service) is a two-way mobile data communication service for mobile (cell-phones, PDA)

4、may exchange short messages without additional equipment. SMS is widely used domestically due to the accuracy and promptness and other advantages of SMS, and GSM(Global System Association) reported that 19 billion messages were transmitted per month worldwide last year . In addition, the on-going re

5、searches are focusing on the system research and development for M-Commerce by using the advantage of SMS under the mobile Internet environment. However, there are still insufficient efforts in resolving the shortage of SMS, the issues of security (exposing or altering the message). These shortages

6、may become the factors in interfering with the safe e-commerce environment. Therefore, if the security of SMS is strengthened to remove the risks on information exposure and alteration, it would be applied effective on the areas of services on order of goods for M-Commerce and E-Commerce, proceed pa

7、yment, confirmation of payment, forwarding of electronic receipt and others, services on balance inquiry, transfer, introduction of new financial product on mobile internet banking service, and services on various auction service, reservation service area. In this thesis, in order to present the mes

8、sage exposure by a third party and ensuring alteration of messages from the SM transmission, the security system for SMS with the basis of applying the encryption technology is to be developed. For this purpose, the DES algorithm is to be applied with the appropriate algorithm to use the small resou

9、rce of mobile device effectively. Furthermore, this thesis applied the XML when encrypting/decrypting of the messages. The advantages of applying XML are, first, which the volume of data to encrypt/decrypt decreases. Therefore, it reduces the time required and use of the system resource less. Second

10、, in the event that the information of the part not encrypted is required, the necessary information may be used without the decryption process. Examples are the sender ID, receiver ID, sending date, and title of message and others. Third, the encrypted part is not to be parsing prior to decrypt tha

11、t the efficiency. 2. Related Studies SMS related researches are mainly the studies on system structuring. That, on the system to deliver the stock information with voice is developed and it designed the Voice XML server module for stock information, SMS server module to perform the authentication pr

12、ocedure, the PSTN network, CTI module for interface and others. At this time, the SMS certification based on random disposable password is attempted as for the method of certification. From, the existing SMS is designed to operate on the main memory data structure that the DBMS concept is applied to

13、 point out and supplement the shortcomings of recovery function simultaneous control function deficiency. On the PGP is applied on the web-based e-mail service system to improve the security, and use the applet and sublet communication method using the java language to resolve the security issue bet

14、ween the client and server. At this time, in order to encrypt the message, it applies the IDEA algorithm of secret key method, and at this time, the RSA algorithm of open key method is applies to encrypt the secret key. proposed the safe instant messenger system that an individual user encrypts the

15、individual information that is sent to the messenger server, and selectively encrypts the information delivered between the users to resolve the potential security issues. And, the system design is made on the basis of diffused processing environment by the JAVA RMI that saves the communication over

16、head comparing to the client-server structure, and the DES encryption algorithm is used for the encryption of transmitted details, and the exchange of the DES encryption key uses the Diffie-Hellman key exchange method and the RSA encryption algorithm. 3. The Design and Implementation of SMS System 3

17、. 1 Security Requirements of System In this thesis, the security requirement needed to the system under the mobile environment is presented as follows. First, in order to maintain the confidentiality, the secret key uses the random number generator to generate 1024 bits of random numbers, and in ord

18、er to keep the secret key, it uses the Diffie-Hellman key distribution algorithm. Second, in the event the receiver gets the message when designing the database for the non-repudiation function, it shall be able to confirm. Third, for the mobile authentication and user authentication, the database i

19、s designed accordingly. 3. 2 Structure of System The entire structure of the SMS system is like the Fig. 1.  Fig.1.System Architecture of SMS The client performs the functions of message management and transmission, user and group management. If the client wishes to transmit the message, it logs in on the server, prepares and encrypts the message and the encrypted message is transmitted to the server. The message prepared at this time becomes the encryption with the secret key of the client. If another client