CN100449988C - Method for implementing plaintext permission file in home location register - Google Patents

Abstract

The present invention discloses a method for realizing plain text allowable files in home location registers. The method comprises: a plaintext allowable file comprising encryption information is provided, wherein the encryption information is generated for encrypting a specific part of the approved plaintext allowable file by an encryption algorithm; a loading tool reads the plaintext allowable file, and the specific part of the allowable file is encrypted by the same encryption algorithm for obtaining filed encryption results; the loading tool compares the filed encryption results with encryption information in the plaintext allowable file. If the filed encryption results and the encryption information are identical, the plaintext allowable file is loaded, and otherwise, the plaintext allowable file is rejected to be loaded.

Description

In attaching position register, load the method for license file

Technical field

The present invention relates to a kind of method that in attaching position register, loads license file.

Background technology

For Smart Home Location Register (HLR) product, manufacturer has begun to carry out permission agreement (LICENSE) scheme, that is: the service-user number that the operator contract is bought, class of business, service-user number etc. are written to a text, are loaded in the main frame then.In the reality operation, when number of users that operator increases or service number surpass regulation in the contract, main frame will carry out special processing to the part that exceeds the contract capacity, for example sounding to point out by alarm box reminds operator in time to carry out dilatation, buy new license file, and make operator can't in equipment, increase new user etc. in case of necessity.By this mechanism, can prevent from arbitrarily to enlarge the service of actual motion capacity to buy of attaching position register product above contract, thus the rational interests of protection manufacturer.

At present the LICENSE file of industry all adopts the dark text mode, arbitrarily wherein each limiting content is changed preventing.

Such as: MaxUserNumber=100, in fact embodying in the LICENSE file may be Paral=100 or MaxUserNumber=ef﹠amp; Defsqz.

Though this scheme can effectively guarantee the realization of LICENSE function, owing to before field engineer or office side load these contents at the scene,, generally all will check limited number, prevent to make mistakes for careful consideration.And numerous load document all is a dark text, can't check, thereby cause this permission agreement scheme to be difficult to be accepted by operator.

Summary of the invention

At shortcoming of the prior art, the present invention proposes a kind of method that loads license file in attaching position register, the limited project in the license file is checked before loading with convenient, avoids makeing mistakes.

Method core content of the present invention is that the LICENSE file adopts expressly and append hereof check field.The method comprising the steps of:

The one plaintext license file that comprises enciphered message is provided, and wherein, this enciphered message is to adopt cryptographic algorithm that the specific part of approved plaintext license file is encrypted and produced;

Loading tool reads described plaintext license file, utilizes identical cryptographic algorithm that on-the-spot encrypted result is encrypted and obtained to the described specific part of this license file;

Loading tool compares the enciphered message in on-the-spot encrypted result and the plaintext license file, if both are identical, then loads this plaintext license file, otherwise refusal loads this expressly license file.

According to said method:

Described specific part is meant all plaintext parts of license file.

Described specific part is meant the key component in the license file plaintext part.

The described plaintext license file that comprises enciphered message that provides also comprises step before:

Gather the capacity information of the attaching position register of operator information and regulation;

Described operator information and described capacity information are generated an approved plaintext license file;

Adopt cryptographic algorithm that enciphered message is encrypted and obtained to the specific part of this plaintext license file;

Enciphered message is joined in the described plaintext license file.

Described enciphered message is at the afterbody of plaintext license file.

Because license file of the present invention adopts mode expressly, the field engineer, office side, exploitation can be seen loading content expressly, guaranteed the correctness of loading content, improved the reliability of whole LICENSE solution, simultaneously, ciphertext part for the license file end, mainly be because license file need just can be reached the spot through a plurality of flow processs, load, because error of transmission or artificial improper change, to guarantee the legitimacy of license file in order preventing in transport process, need to carry out certain verification to part expressly with the ciphertext part, and, for a plurality of identical equipment, do not obtain illegal authority thereby do not allow to use to load, therefore with a license file, be necessary in ciphertext, to contain checking information, thereby prevented the illegal copies of license file certain particular device.

Description of drawings

Fig. 1 is the structural representation of loading system;

Fig. 2 is the flow chart of one embodiment of the invention.

Embodiment

Consult shown in Figure 1, foreground client is connected license file with server and is stored in foreground client, carry out control operation in foreground client by common user interface (GUI) during loading, foreground client sends the information that comprises in the LICENSE file to server by TCP/IP, server is kept at information in the database, and with it follow-up operation is tested.For example the number of users that server is allowed is checked.

Consult Fig. 2, implementation procedure is as follows:

Step 10: generate expressly license file.

By obtaining operator information and contract information, these information are generated license file expressly, the i.e. license file of being approved by both sides of supply and demand at the LICENSE center.Operator information comprises information such as the SENDERIN of operator, existing number of users.Stipulate the capacity that operator is bought in the contract information, comprised the number of users of total number of users and miscellaneous service etc.

With all the elements in the plaintext license file, comprise that restriction project (for example MaxUserNumber) and limits value (for example 100) rearrange a big character string, utilize the unified encryption of cryptographic algorithm, as the afterbody of license file forms the prescribed paper license file that includes enciphered message to adopt DES algorithm, encrypted result to store into expressly.

For example the plaintext license file that comprises enciphered message of Sheng Chenging is as follows:

[LICENSE]

LicenseSerial＝4600309121212345678

[CAP]

CommonLow＝67

CommonUp＝100

[CONTENT]

MAXUserCount＝500001

MAXUserCountLowLimit＝91

It more than the MAXUserCountUpLimit=100/* plaintext part.

[HLRLICENSE]/* enciphered message

HlrLicense＝41973e6d945dea685647593751506df0

Step 20: the plaintext license file that will comprise enciphered message offers the foreground client of loading field.

Because license file is clear-text way, therefore can check this license file by foreground client, with determine wherein data whether with contract in consistent, if inconsistent, the company that should in time return makes license file again.

Step 30: loading tool reads license file, adopts the cryptographic algorithm identical with aforementioned generation enciphered message that the content of plaintext part is encrypted the on-the-spot encrypted result that obtains again.

Step 40: the enciphered message of on-the-spot encrypted result and plaintext license file afterbody is compared, and judge whether it is identical.If identical then carry out step 50, otherwise carry out step 60.

Step 50: on-the-spot encrypted result is identical with enciphered message, illustrates that the clear text file that is used to load was not changed, and loading tool loads this plaintext license file.After loading is finished, can inquire about load information by foreground client, whether checking correctly loads and can check existing various capacity information at any time, so that in time carry out dilatation.

Step 60: on-the-spot encrypted result and enciphered message are inequality, illustrate that then the plaintext partial content of this license file is different by the content in the license file of contract approval with both sides of supply and demand, and file was modified, and loading tool determines that it is illegally, and refusal loads.

Because license file adopts mode expressly, field engineer, office side, exploitation can be seen loading content expressly, guaranteed the correctness of loading content, improve the reliability of whole LICENSE solution, can provide control device to the total number of users and the miscellaneous service of attaching position register reality again simultaneously.

Because each attaching position register has a unique sequence number (LicenseSerial), thereby can not use with a license file for a plurality of identical attaching position registers and to load to obtain illegal authority.

Claims (5)

1, a kind of method that loads license file in attaching position register is characterized in that comprising step:

The one plaintext license file that comprises enciphered message is provided, and wherein, this enciphered message is to adopt cryptographic algorithm that the specific part of approved plaintext license file is encrypted and produced;

Loading tool reads described plaintext license file, utilizes identical cryptographic algorithm that on-the-spot encrypted result is encrypted and obtained to the described specific part of this license file;

Loading tool compares the enciphered message in on-the-spot encrypted result and the plaintext license file, if both are identical, then loads this plaintext license file, otherwise refusal loads this expressly license file.

2, the method for claim 1 is characterized in that, described specific part is meant all plaintext parts of license file.

3, the method for claim 1 is characterized in that, described specific part is meant the key component in the license file plaintext part.

4, the method for claim 1 is characterized in that, describedly provides one to comprise before the plaintext license file of enciphered message, also comprises step:

Gather the capacity information of the attaching position register of operator information and regulation;

Described operator information and described capacity information are generated an approved plaintext license file;

Adopt cryptographic algorithm that enciphered message is encrypted and obtained to the specific part of this plaintext license file;

Enciphered message is joined in the described plaintext license file.

5, the method for claim 1 is characterized in that, described enciphered message is at the afterbody of plaintext license file.

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