The Strategy Research On Security Of GPRS Mobile Communication Network

The GPRS wireless communication network’s security problem is one of networksecurity subject matters in our country. This article proposed the corresponding securitypolicy in view of the GPRS security problem: Data encryption in data transmission, uservisit process access control.This article has made the improvement in the existing data encryption’s AESalgorithm acording to the GPRS definite orders transmission’s characteristic. On thetransmission process, the illegal user can only intercept the scrambled text. The wheel keyalgorithm was improved, and then the illegal molecular cannot decipher and obtaineffective information. The AES algorithm is derived by the DES algorithm, The dataencrypted by AES algorithm will be very difficult to explain.The existing network security was controlled by person, there are some manmadenegligences unavoidably in the routine work life, therefore the security will also havemany cracks. The data is transmitted directly by the GPRS through the space connector,all data is definite in the transmission process, and the space connector maintains foreveronline, such illegal user may monitor and disturb to the GPRS through these twocharacteristics, then the user’s news is unable to transmit normally, the serious situation isthat the users’ private informations were interceptted. Therefore one kind of appropriateencryption algorithm is utilized in GPRS, makes these definite orders into private.How does produce the key using the AES algorithm is the improvement of this article,according to the insufficiency of producing key of the AES encryption algorithm, theremade an improvement in producing to the key. The final analytical table understands thatthis kind of improvement has not cut the original efficiency and enhanced its security. Themethod was used in the GPRS system, thus improves the question which the GPRSconnection exposes completely, enhances the GPRS security through the encryptionalgorithm, solves the GPRS original security problem. In addition, the artificial fault isanother important factor that causes the network security exists hidden danger. Theartificial fault cannot avoid, but may decrease the mistake through control model, thisarticle has proposed one kind of new access control model.