CN112910700B - Offline strategy recovery code generation method and system - Google Patents
Offline strategy recovery code generation method and system Download PDFInfo
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- CN112910700B CN112910700B CN202110123184.0A CN202110123184A CN112910700B CN 112910700 B CN112910700 B CN 112910700B CN 202110123184 A CN202110123184 A CN 202110123184A CN 112910700 B CN112910700 B CN 112910700B
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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- H04L41/12—Discovery or management of network topologies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
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Abstract
The invention provides an off-line strategy recovery code generation method and system. The method comprises the following steps: acquiring terminal identification information of terminal equipment; combining and splicing the last N bytes of the terminal identification information and the last M bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result as S1 information; splitting the S1 information, specifically: recording the first R1 bytes of the S1 information as S2 information, and recording the other parts except the first R1 bytes as S3 information; combining and splicing the S2 information and the last M bytes of the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information; and combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment.
Description
Technical Field
The invention relates to the technical field of mobile terminal control, in particular to a method and a system for generating an offline policy recovery code.
Background
With the rapid mobile internet technology in recent years, mobile office becomes a new trend of office development at present. Mobile office is widely used in many government and enterprise departments, especially in the fields of mobile government and mobile police. While mobile office offers people to work, there are also a number of security risks. In order to avoid the security risk to the maximum extent, a series of security policies are generally formulated on the mobile terminal, and the execution and monitoring of the security policies are realized through the control software of the terminal, so that the security of the mobile terminal is guaranteed.
When the terminal is used for the first time or the terminal strategy has a problem, the terminal cannot normally access important resources such as a network and the like because the terminal has no strategy or has a problem, so that the terminal cannot update the strategy from a background, and the terminal cannot recover to a normal terminal.
Disclosure of Invention
The invention provides an off-line strategy recovery code generation method and system for a terminal device to update a strategy by using a strategy recovery code, aiming at the problem that the strategy cannot be updated when the strategy is absent or the strategy is in problem.
In one aspect, the present invention provides an offline policy recovery code generating method, including:
step 1: acquiring terminal identification information of terminal equipment;
step 2: combining and splicing the last N bytes of the terminal identification information and the last M bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result as S1 information;
and step 3: splitting the S1 information, specifically: recording the first R1 bytes of the S1 information as S2 information, and recording the other parts except the first R1 bytes as S3 information;
and 4, step 4: combining and splicing the S2 information and the last M bytes of the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information;
and 5: and combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment.
Further, the method further comprises:
step 6: sending the generated strategy recovery code to the terminal equipment so that the terminal equipment can verify the strategy recovery code;
the verification process of the terminal equipment to the strategy recovery code comprises the following steps:
step A1: inputting the strategy recovery code into a terminal strategy control application, restoring the strategy recovery code by the terminal strategy control application by adopting base64 decoding, and recording the restored information as S5 information;
step A2: the terminal policy control application splits the S5 information, specifically: recording the first (R1 + M + 1) byte of the S5 information as S6 information, and recording the other parts except the first (R1 + M + 1) byte as S7 information;
step A3: decrypting the S6 information by using the same preset key as in the step 4, and recording the decrypted result as S8 information;
step A4: splitting the S8 information, specifically: recording the first R1 bytes of the S8 information as S9 information, and recording the other parts except the first R1 bytes as S10 information;
step A5: combining and splicing the last N bytes of the terminal identification information of the terminal equipment with the S10 information, performing summary operation on the combined and spliced information, and selecting one part of a summary result as S11 information;
step A6: and combining and splicing the S9 information and the S5 information, comparing the combined and spliced information with the S11 information, and if the combined and spliced information is consistent with the S11 information, passing the verification, otherwise, failing to pass the verification.
Further, the method further comprises:
if the strategy recovery code passes the verification, the terminal strategy control application allows the terminal equipment to normally access the network, and the terminal equipment accesses the strategy server through the network to update the strategy.
Further, in step 1, terminal identification information of the terminal device is obtained through a telephone or short message mode.
Further, in step 6, the generated policy recovery code is sent to the terminal device by telephone or short message.
Further, the terminal identification information includes a digital certificate number.
Further, the method further comprises: and (4) carrying out abstract and hash operation on the digital certificate number of the terminal equipment, and taking the operation result as the preset key in the step (4).
Further, the policy recovery code generation time includes year, month, day, hour, minute, and second.
In another aspect, the present invention provides an offline policy recovery code generation system, including: a policy server and a terminal device;
the policy server is used for acquiring terminal identification information of the terminal equipment; combining and splicing the last N bytes of the terminal identification information and the last M bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result as S1 information; splitting the S1 information, specifically: recording the first R1 bytes of the S1 information as S2 information, and recording the other parts except the first R1 bytes as S3 information; combining and splicing the S2 information and the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information; and combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment.
Further, the policy server is further configured to send the generated policy recovery code to the terminal device;
correspondingly, the terminal device is used for verifying the strategy recovery code; the method is specifically used for inputting the strategy recovery code into the terminal strategy control application, the terminal strategy control application adopts base64 decoding to restore the strategy recovery code, and the restored information is recorded as S5 information; the terminal policy control application splits the S5 information, specifically: recording the first (R1 + M + 1) byte of the S5 information as S6 information, and recording the other parts except the first (R1 + M + 1) byte as S7 information; decrypting the S6 information by using a preset key which is the same as that of the policy server, and recording the decrypted result as S8 information; splitting the S8 information, specifically: recording the first R1 bytes of the S8 information as S9 information, and recording the other parts except the first R1 bytes as S10 information; combining and splicing the last N bytes of the terminal identification information of the terminal equipment with the S10 information, performing summary operation on the combined and spliced information, and selecting one part of a summary result as S11 information; and combining and splicing the S9 information and the S5 information, comparing the combined and spliced information with the S11 information, and if the combined and spliced information is consistent with the S11 information, passing the verification, otherwise, failing to pass the verification.
The invention has the beneficial effects that:
according to the off-line strategy recovery code generation method and system provided by the invention, the strategy server generates the recovery code through the terminal identification information and the random information of the terminal equipment, the terminal equipment establishes communication between the terminal equipment and the strategy server through verifying the strategy recovery code information, and pulls the terminal strategy to the terminal equipment, so that the recovery and the use of the terminal strategy are realized.
Drawings
Fig. 1 is a schematic flowchart of an offline policy recovery code generation method according to an embodiment of the present invention;
fig. 2 is a second schematic flowchart of an offline policy recovery code generation method according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating interaction between a policy server and a terminal device according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, an embodiment of the present invention provides an offline policy recovery code generation method, which is applied to a policy server, and includes the following steps:
s101: acquiring terminal identification information of terminal equipment;
specifically, the terminal device may report its own terminal identification information to the policy server by telephone or short message. The terminal identification information includes a digital certificate number, and may further include a user ID number, TMSI, and the like.
S102: combining and splicing the last N bytes of the terminal identification information and the last M (for example, M = 4) bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result (for example, the first R bytes of the summary result can be selected, and further, R = 7;) as S1 information;
it can be understood that when the terminal identification information is less than N bytes, content padding can be performed to make up for N bytes. The policy recovery code generation time includes year, month, day, hour, minute, and second, and may further include more detailed time information.
S103: splitting the S1 information, specifically: the first R1 byte (e.g., R1= 3) of the S1 information is denoted as S2 information, and the other parts (i.e., the last 4 bytes of the S1 information) except the first R1 byte are denoted as S3 information;
s104: combining and splicing the S2 information and the last M (for example, M = 4) bytes of the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information;
specifically, when M =4, R =7, and R1=3, the information length after the combination concatenation of the S2 information and the policy recovery code generation time is 7 bytes, and the S4 information length is 8 bytes.
As an implementable manner, the preset key may be generated in the following manner: and performing abstract and hash operation on the digital certificate number of the terminal equipment, and taking an operation result as a preset key.
S105: and combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment.
Specifically, when M =4, R =7, and R1=3, the information length after the combination concatenation of the S4 information and the S3 information is 12 bytes, and the length of the generated policy recovery code is 16 bytes.
On the basis of the above embodiment, the embodiment of the present invention further includes:
s106: and sending the generated strategy recovery code to the terminal equipment so that the terminal equipment can verify the strategy recovery code.
Specifically, the policy server may send the policy recovery code to the terminal device by telephone or short message.
As an implementation manner, as shown in fig. 2, the verification process of the policy recovery code by the terminal device includes:
s201: inputting the strategy recovery code into a terminal strategy control application, restoring the strategy recovery code by the terminal strategy control application by adopting base64 decoding, and recording the restored information as S5 information;
specifically, still taking the data of the above-described embodiment (i.e., M =4, R =7, R1= 3) as an example, the S5 information length is 12 bytes.
S202: the terminal policy control application splits the S5 information, specifically: recording the first (R1 + M + 1) byte of the S5 information as S6 information, and recording the other parts except the first (R1 + M + 1) byte as S7 information;
specifically, when M =4, R =7, and R1=3, the first 8 bytes of S5 information are designated as S6 information, and the last 4 bytes of S5 information are designated as S7 information.
S203: decrypting the S6 information by using the same preset key as the preset key in the step S104, and recording the decrypted result as S8 information;
specifically, when M =4, R =7, R1=3, the S8 information length is 7 bytes.
S204: splitting the S8 information, specifically: recording the first R1 bytes of the S8 information as S9 information, and recording the other parts except the first R1 bytes as S10 information;
specifically, when M =4, R =7, and R1=3, the first 3 bytes of S8 information are designated as S9 information, and the last 4 bytes of S8 information are designated as S10 information.
S205: combining and splicing the last N bytes of the terminal identification information of the terminal equipment with the S10 information, performing summary operation on the combined and spliced information, and selecting one part of a summary result as S11 information;
specifically, it can be understood that the summary result is selected in the same manner as the policy recovery code is generated, that is, the first R2 bytes of the summary result can be selected, and further, R2= 7.
S206: and combining and splicing the S9 information and the S5 information, comparing the combined and spliced information with the S11 information, and if the combined and spliced information is consistent with the S11 information, passing the verification, otherwise, failing to pass the verification.
S207: if the strategy recovery code passes the verification, the terminal strategy control application allows the terminal equipment to normally access the network, and the terminal equipment accesses the strategy server through the network to update the strategy.
On the basis of the above embodiment, the embodiment of the present invention further provides an interaction process for policy update between a policy server and a terminal device, as shown in fig. 3, including the following steps:
s301: the terminal user reports the terminal identification information of the terminal equipment to the strategy server through other communication modes such as telephone, short message and the like;
s302: the strategy server generates a strategy recovery code according to the terminal identification information;
s303: the strategy server end transfers the strategy recovery code to the terminal user through other communication modes such as telephone, short message and the like;
s304: the terminal user inputs the strategy recovery code into the terminal strategy control application of the terminal equipment;
s305: the terminal equipment verifies the strategy recovery code through the terminal strategy control application;
s306: and after the terminal equipment verifies that the strategy recovery code passes, performing network strategy release on the terminal involved pen.
S307: the terminal equipment accesses the strategy server through the network to update the strategy.
The off-line strategy recovery code generation method provided by the invention has the advantages that the strategy server generates the recovery code through the terminal identification information and the random information of the terminal equipment, the terminal equipment establishes the communication between the terminal equipment and the strategy server through verifying the strategy recovery code information, and the terminal strategy is pulled to the terminal equipment, so that the recovery and the use of the terminal strategy are realized.
Corresponding to the above embodiments of the method, the present invention further provides an offline policy recovery code generating system, including: a policy server and a terminal device;
the policy server is used for acquiring terminal identification information of the terminal equipment; combining and splicing the last N bytes of the terminal identification information and the last M bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result as S1 information; splitting the S1 information, specifically: recording the first R1 bytes of the S1 information as S2 information, and recording the other parts except the first R1 bytes as S3 information; combining and splicing the S2 information and the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information; combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment; sending the generated strategy recovery code to the terminal equipment;
the terminal device is used for verifying the strategy recovery code; the method is specifically used for inputting the strategy recovery code into the terminal strategy control application, the terminal strategy control application adopts base64 decoding to restore the strategy recovery code, and the restored information is recorded as S5 information; the terminal policy control application splits the S5 information, specifically: recording the first (R1 + M + 1) byte of the S5 information as S6 information, and recording the other parts except the first (R1 + M + 1) byte as S7 information; decrypting the S6 information by using a preset key which is the same as that of the policy server, and recording the decrypted result as S8 information; splitting the S8 information, specifically: recording the first R1 bytes of the S8 information as S9 information, and recording the other parts except the first R1 bytes as S10 information; combining and splicing the last N bytes of the terminal identification information of the terminal equipment with the S10 information, performing summary operation on the combined and spliced information, and selecting one part of a summary result as S11 information; and combining and splicing the S9 information and the S5 information, comparing the combined and spliced information with the S11 information, and if the combined and spliced information is consistent with the S11 information, passing the verification, otherwise, failing to pass the verification.
It should be noted that the system provided in the embodiment of the present invention is for implementing the above method embodiments, and the functions of the system may specifically refer to the above method embodiments, which are not described herein again.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. An off-line policy recovery code generating method, comprising:
step 1: acquiring terminal identification information of terminal equipment;
step 2: combining and splicing the last N bytes of the terminal identification information and the last M bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result as S1 information;
and step 3: splitting the S1 information, specifically: recording the first R1 bytes of the S1 information as S2 information, and recording the other parts except the first R1 bytes as S3 information;
and 4, step 4: combining and splicing the S2 information and the last M bytes of the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information;
and 5: combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment;
step 6: sending the generated strategy recovery code to the terminal equipment so that the terminal equipment can verify the strategy recovery code; if the strategy recovery code passes the verification, the terminal strategy control application allows the terminal equipment to normally access the network, and the terminal equipment accesses the strategy server through the network to update the strategy.
2. The method of claim 1, wherein the verification of the policy recovery code by the terminal device comprises:
step A1: inputting the strategy recovery code into a terminal strategy control application, restoring the strategy recovery code by the terminal strategy control application by adopting base64 decoding, and recording the restored information as S5 information;
step A2: the terminal policy control application splits the S5 information, specifically: recording the first (R1 + M + 1) byte of the S5 information as S6 information, and recording the other parts except the first (R1 + M + 1) byte as S7 information;
step A3: decrypting the S6 information by using the same preset key as in the step 4, and recording the decrypted result as S8 information;
step A4: splitting the S8 information, specifically: recording the first R1 bytes of the S8 information as S9 information, and recording the other parts except the first R1 bytes as S10 information;
step A5: combining and splicing the last N bytes of the terminal identification information of the terminal equipment with the S10 information, performing summary operation on the combined and spliced information, and selecting one part of a summary result as S11 information;
step A6: and combining and splicing the S9 information and the S5 information, comparing the combined and spliced information with the S11 information, and if the combined and spliced information is consistent with the S11 information, passing the verification, otherwise, failing to pass the verification.
3. The method according to claim 1, wherein in step 1, the terminal identification information of the terminal device is obtained by telephone or short message.
4. The method according to claim 1, wherein in step 6, the generated policy recovery code is sent to the terminal device by telephone or short message.
5. The method of claim 1, wherein the terminal identification information comprises a digital certificate number.
6. The method of claim 4, further comprising:
and (4) carrying out abstract and hash operation on the digital certificate number of the terminal equipment, and taking the operation result as the preset key in the step (4).
7. The method of claim 1, wherein the policy recovery code generation time comprises year, month, day, hour, minute, and second.
8. An offline policy recovery code generation system, comprising: a policy server and a terminal device;
the policy server is used for acquiring terminal identification information of the terminal equipment; combining and splicing the last N bytes of the terminal identification information and the last M bytes of the strategy recovery code generation time, performing summary operation on the combined and spliced information, and selecting a part of a summary result as S1 information; splitting the S1 information, specifically: recording the first R1 bytes of the S1 information as S2 information, and recording the other parts except the first R1 bytes as S3 information; combining and splicing the S2 information and the strategy recovery code generation time, encrypting the combined and spliced information by adopting a preset key, and recording an encryption result as S4 information; combining and splicing the S4 information and the S3 information, and processing the combined and spliced information by adopting base64 coding to generate a strategy recovery code of the terminal equipment; the terminal equipment is also used for sending the generated strategy recovery code to the terminal equipment so that the terminal equipment can verify the strategy recovery code; if the strategy recovery code passes the verification, the terminal strategy control application allows the terminal equipment to normally access the network, and the terminal equipment accesses the strategy server through the network to update the strategy.
9. The system of claim 8, wherein the terminal device is configured to verify the policy recovery code; the method is specifically used for inputting the strategy recovery code into the terminal strategy control application, the terminal strategy control application adopts base64 decoding to restore the strategy recovery code, and the restored information is recorded as S5 information; the terminal policy control application splits the S5 information, specifically: recording the first (R1 + M + 1) byte of the S5 information as S6 information, and recording the other parts except the first (R1 + M + 1) byte as S7 information; decrypting the S6 information by using a preset key which is the same as that of the policy server, and recording the decrypted result as S8 information; splitting the S8 information, specifically: recording the first R1 bytes of the S8 information as S9 information, and recording the other parts except the first R1 bytes as S10 information; combining and splicing the last N bytes of the terminal identification information of the terminal equipment with the S10 information, performing summary operation on the combined and spliced information, and selecting one part of a summary result as S11 information; and combining and splicing the S9 information and the S5 information, comparing the combined and spliced information with the S11 information, and if the combined and spliced information is consistent with the S11 information, passing the verification, otherwise, failing to pass the verification.
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI509460B (en) * | 2014-09-05 | 2015-11-21 | Trade Van Information Services Co | Electronic verification system and its method |
| CN105898070A (en) * | 2016-05-26 | 2016-08-24 | 宇龙计算机通信科技(深圳)有限公司 | Application setting method and system, server and terminal |
| CN107590025A (en) * | 2017-08-17 | 2018-01-16 | 深圳市优品壹电子有限公司 | A kind of back-up restoring method and system |
| CN107592636A (en) * | 2017-08-17 | 2018-01-16 | 深圳市诚壹科技有限公司 | A kind of method of processing information, terminal and server |
| CN107818463A (en) * | 2017-09-25 | 2018-03-20 | 九派天下支付有限公司 | A kind of offline electronic payment method and system based on TOTP algorithms |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU750408B2 (en) * | 1993-12-01 | 2002-07-18 | Rpk New Zealand Limited | A method of combining a serial keystream output with binary information |
| US8452963B2 (en) * | 2009-01-27 | 2013-05-28 | Cisco Technology, Inc. | Generating protected access credentials |
-
2021
- 2021-01-29 CN CN202110123184.0A patent/CN112910700B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI509460B (en) * | 2014-09-05 | 2015-11-21 | Trade Van Information Services Co | Electronic verification system and its method |
| CN105898070A (en) * | 2016-05-26 | 2016-08-24 | 宇龙计算机通信科技(深圳)有限公司 | Application setting method and system, server and terminal |
| CN107590025A (en) * | 2017-08-17 | 2018-01-16 | 深圳市优品壹电子有限公司 | A kind of back-up restoring method and system |
| CN107592636A (en) * | 2017-08-17 | 2018-01-16 | 深圳市诚壹科技有限公司 | A kind of method of processing information, terminal and server |
| CN107818463A (en) * | 2017-09-25 | 2018-03-20 | 九派天下支付有限公司 | A kind of offline electronic payment method and system based on TOTP algorithms |
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