CN105577380A - Optical module authentication method and device - Google Patents
Optical module authentication method and device Download PDFInfo
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- CN105577380A CN105577380A CN201410553883.9A CN201410553883A CN105577380A CN 105577380 A CN105577380 A CN 105577380A CN 201410553883 A CN201410553883 A CN 201410553883A CN 105577380 A CN105577380 A CN 105577380A
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- optical module
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
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Abstract
The invention provides an optical module authentication method and device. The method comprises that present secret key information is obtained; if it is detected that an optical module is inserted, authentication information stored in the optical module is obtained, and the authentication information comprises preset fixed information and a check code; according to a preset algorithm, the fixed information is encrypted by utilizing the secret key information to obtain an encryption result; and whether the encryption result matches the check code is determined to obtain an authentication result. According to the scheme, the optical module is authenticated when being inserted, and equipment fault and communication interruption caused by using the optical module randomly are prevented.
Description
Technical field
The present invention relates to electronic communication field, the method for particularly a kind of optical module certification and device.
Background technology
Optical module at optical transport, network, the communications fields such as communication are indispensable communication components and parts, and optical module kind is a lot, can be divided into SFP, XFP, XENPAK and CFP etc. according to packing forms; Speed according to supporting can be divided into 100M, 155M, 622M, 1.25G, 10G, 40G and 100G etc.; The type having more Emission Lasers can be divided into single-mode optical module and multi-mode optical module, can also classify according to operation wavelength and transmission range.
Because optical module is of a great variety, when it dispatches from the factory, the manufacturing information of product and parameter information can be recorded in the EEPROM (ElectricallyErasableProgrammableRead-OnlyMemory of optical module inside, band EEPROM (Electrically Erasable Programmable Read Only Memo)) in, after optical module plugs equipment (i.e. communication equipment), CPU on equipment, the information of EEPROM inside can be obtained by the standard I 2C universal serial bus interconnected with optical module, comprise module type, speed, the data such as manufacturer, about the address that these data of inside modules store, existing definition in relevant industry standard, all producers are all unified.
When current general device is applied at the scene, the optical module used is of a great variety, the manufacturing firm of module is also multifarious, although there is relevant specification to instruct the design of optical module in optical module industry, the produced optical module of actual each producer still can be distinguished to some extent.
Equipment on stream, relate to the interface using optical module, when testing, the module of different manufacturers can be used to verify, but the model of optical module is too many, model that can not be all is all verified, so the optical module of onsite application is probably not through checking, it is can't go wrong that module on-the-spot in most cases uses, but it is unavoidable sometimes because problem that the is compatible or quality of module own causes equipment fault, because optical module is the key node be on data transfer path, once go wrong, the catastrophe failure of service disconnection will be caused, the situation that current this on-the-spot optical module arbitrarily uses is undoubtedly for fault has buried hidden danger.
In prior art, optical module manufacturer it is also proposed some technical measures optical module being encrypted to protection, and object mainly ensures that system equipment manufacturer can use certified products optical module, stops counterfeit and shoddy goods.But these ways have two problems, one is concerning system manufacturers, the optical module that engineering site uses, and not only will ensure it is certified products, also will ensure there is good compatibility with system equipment, the technical scheme of optical module producer cannot accomplish the latter; Two are technical schemes that optical module producer proposes is all that secret is exclusive, and some producers supports, what have does not support, possible the implementation of support is also different, does not possess industry universal, the technology of producer is applied very difficult system manufacturers.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method and device of optical module certification, certification is not carried out during in order to solve existing optical module because using on equipment, equipment fault may be caused, the problem of interrupt communication because of incompatible between equipment and optical module.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of method of optical module certification, comprising:
Obtain the key information preset;
If detected, optical module inserts, then obtain the authentication information of optical module storage inside, described authentication information comprises default fix information and check code;
According to preset algorithm, utilize described key information to be encrypted described fix information and obtain an encrypted result;
Judge whether described encrypted result mates with described check code, draw an authentication result.
Further, after drawing described authentication result, described method also comprises:
Described authentication result is exported on parametric controller and shows.
Further, described fix information comprises: be stored in the identity information for optical module identity described in unique identification in the EEPROM User Defined district of optical module and the facility information for identifying light module device parameter being stored in the read-only memory block of optical module.
Further, described in detected optical module insert after, described method, also comprises:
Upgrade the state inserting the port of optical module in port mapping table.
Further, described according to preset algorithm, utilize described key information to be encrypted described fix information and obtain an encrypted result and be specially:
According to MD5 algorithm, utilize described key information to be encrypted described fix information and obtain an encrypted result.
The embodiment of the present invention also provides a kind of device of optical module certification, comprising:
First acquisition module, for obtaining default key information;
Second acquisition module, if detected, optical module inserts, then obtain the authentication information of optical module storage inside, described authentication information comprises default fix information and check code;
Encrypting module, according to preset algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result;
Comparing module, for judging whether described encrypted result mates with described check code, draws an authentication result.
Further, after drawing described authentication result, described device, also comprises:
Output module, shows for described authentication result being exported on parametric controller.
Further, described fix information comprises: be stored in the identity information for optical module identity described in unique identification in the EEPROM User Defined district of optical module and the facility information for identifying light module device parameter being stored in the read-only memory block of optical module.
Further, described in detected optical module insert after, described device, also comprises:
Update module, for upgrading in port mapping table the state of the port inserting optical module.
Further, described encrypting module is specially: according to MD5 algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result.
The invention has the beneficial effects as follows:
Such scheme, by when inserting optical module, certification is done to optical module, avoiding because verifying when optical module uses on equipment, equipment fault may be caused because of incompatible between equipment and optical module, the problem of interrupt communication, this kind of mode, ensure that the reliability of communication, improve communication quality, reduce the maintenance cost of equipment.
Accompanying drawing explanation
Fig. 1 represents the overview flow chart of the described method of the embodiment of the present invention;
Fig. 2 represents the module diagram of the described device of the embodiment of the present invention;
Fig. 3 represents the described device of the embodiment of the present invention and the connection diagram of optical module and parametric controller;
Fig. 4 represents the overview flow chart of the described method of the embodiment of the present invention one.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, describe the present invention below in conjunction with the accompanying drawings and the specific embodiments.
Verifying when the present invention is directed to existing optical module because using on equipment, equipment fault may be caused because of incompatible between equipment and optical module, the problem of interrupt communication, a kind of method and device of optical module certification is provided.
As shown in Figure 1, the method for the described optical module certification of the embodiment of the present invention, comprising:
Step 10, obtains the key information preset;
Step 20, if detected, optical module inserts, then obtain the authentication information of optical module storage inside, described authentication information comprises default fix information and check code;
It should be noted that described check code obtains through being encrypted described fix information according to a preset algorithm;
Step 30, according to preset algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result;
Step 40, judges whether described encrypted result mates with described check code, draws an authentication result.
The above embodiment of the present invention, by carrying out certification at the initial stage of inserting optical module to described optical module, in follow-up use procedure, malfunction elimination can be carried out according to the authentication result of optical module, this kind of authentication mode, effectively ensure that the reliability of communication, improves communication quality, reduce the cost of plant maintenance simultaneously, reduce the time loss of equipment management personnel maintenance.
It should be noted that described fix information comprises: be stored in the identity information for optical module identity described in unique identification in the EEPROM User Defined district of optical module and the facility information for identifying light module device parameter being stored in the read-only memory block of optical module.
16 codings that described identity information (namely marking user's optical module sequence number of different optical module) is stochastic generation, there is uniqueness, when equipment dispatches from the factory, to do the EEPROM User Defined district, inside of the optical module of validation test, to make an appointment some addresses, the identity information generated in advance is write by exterior I 2C bus, should be noted that, when carrying out identity information write, because the type of optical module is different, the address of write identity information is also different, as shown in table 1 below, when described optical module is SFP type, the 0x90-0x9F address of the described identity information write 0xA2 page, totally 16 bytes, and when optical module is XFP type, described identity information write A0H address, the 0xA0-0xAF of the 02H page, totally 16 bytes.
The writing address contrast of the authentication information of the optical module that table 1 is dissimilar
Should be noted that, described facility information comprises: the trade name and the manufacturer's optical module sequence number that are stored in the read-only storage area of optical module, for the optical module of SPF type, described trade name is stored in the 20-35 address location of A0H, described manufacturer optical module sequence number is stored in the 68-83 address location of A0H, should be noted that, described manufacturer optical module sequence number is used to each optical module of unique identification, each optical module only has unique manufacturer's optical module sequence number, said two devices can only read from corresponding address location, and cannot modify to said two devices.
When equipment vendors are after purchase optical module, can define the EEPROM User Defined district of optical module, and at predeterminated position write identity information (being designated as S1), subsequently, the instrument factory chamber of commerce reads out trade name (being designated as S2) and manufacturer's optical module sequence number (being designated as S3) in the read-only storage area of optical module, above-mentioned three's information is combined composition fix information (being designated as S), S=S1+S2+S3, equipment vendors also can define a unique information as password (being designated as R) simultaneously, S and R is combined the label information (being designated as X) of formation one regular length, by utilizing special algorithm Y=F (X), the output that described X is encrypted rear generation one fixing (be should be noted that as check code, drawing of described check code can be realized by program computation in optical module outside), then by the EEPROM User Defined district, inside of this check code writing light module, as shown in table 1, for the optical module of SFP type, the 0xA0-0xAF address of the described check code write 0xA2 page, totally 16 bytes, and for the optical module of XFP type, described check code write A0H address, the 0xB0-0xBF of the 02H page, totally 16 bytes.
Should be noted that, more than when equipment is dispatched from the factory, the ablation process of the authentication information in the optical module verified, when the actual use of optical module, after optical module inserts certain port of equipment, obtain key information (described key information is identical with above-mentioned R) from outside simultaneously, then by I2C interface, the data of the appropriate address in the data of the particular address in the inner EEPROM User Defined district of the optical module appointed in advance and read-only memory block are read, optical module for SFP type will read the optical module sequence number S1 of 16 bytes at 90-9F, at the trade name S2 of the 20-35 position of A0H, at the manufacturer optical module sequence number S3 of the 68-83 position of A0H, S1, S2, S3 is combined into the character string S of 48 bytes in order, and according to the R obtained from outside, S and R is linked together, encrypt according to the above-mentioned cryptographic algorithm showing that check code is identical, and the result after encryption is compared with the content of 16 bytes being kept at A0-AFH, and control to export corresponding comparison result, as the optical module authentication result whether certification is passed through.
Should be noted that, drawing of encrypted result must use identical key and cryptographic algorithm with drawing of check code, in actual mechanical process, available cryptographic algorithm has multiple, the cryptographic algorithm adopted in the embodiment of the present invention is MD5 algorithm (i.e. one-way Hash algorithm, also be md5-challenge, the full name of MD5 is Message-DigestAlgorithm5).
It should be noted that in the present invention and the content of above-mentioned identity information, facility information and check code and capacity are not explicitly called for, as long as guarantee the uniqueness of identity information and check code.
In another embodiment of the present invention, after drawing described authentication result, described method, also comprises:
Described authentication result is exported on parametric controller and shows.
It should be noted that and export described authentication result, be convenient to observation and record that equipment operator carries out result.
In another embodiment of the present invention, described in detected optical module insert after, described method, also comprises:
Upgrade the state inserting the port of optical module in port mapping table.
To the status indication of the port of optical module be inserted with for use in port mapping table, in the follow-up use procedure of equipment, according to the optical module of described port mapping table choice for use communication, information can be carried out synchronously, facilitates the use of equipment management personnel to device port.
Such scheme of the present invention, avoids optical module in not verified situation, causes incompatible and cause communication failure, the problem of interrupt communication, by this kind of scheme, ensure that the reliability of communication, improves communication quality, reduce the maintenance cost of equipment.
As shown in Figure 2, the embodiment of the present invention also provides a kind of device of optical module certification, comprising:
First acquisition module 100, for obtaining default key information;
Second acquisition module 200, if detected, optical module inserts, then obtain the authentication information of optical module storage inside, described authentication information comprises default fix information and check code;
It should be noted that described check code obtains through being encrypted described fix information according to a preset algorithm;
Encrypting module 300, according to preset algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result;
Comparing module 400, judges whether described encrypted result mates with described check code, draws an authentication result.
Particularly, after drawing described authentication result, described device, also comprises:
Output module, shows for described authentication result being exported on parametric controller.
Particularly, described fix information comprises: be stored in the identity information for optical module identity described in unique identification in the EEPROM User Defined district of optical module and the facility information for identifying light module device parameter being stored in the read-only memory block of optical module.
Particularly, described in detected optical module insert after, described device, also comprises:
Update module, for upgrading in port mapping table the state of the port inserting optical module.
Particularly, described encrypting module 300 is specially: according to MD5 algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result.
It should be noted that, this device is the device corresponding with said method, and all implementations of said method are all applicable to this device embodiment, also can reach the technique effect identical with said method.
As shown in Figure 3, optical module 101 is communicated by the device 102 of I2C interface with the optical module certification on equipment, the device 102 of described optical module certification is by reading the information be stored in authentication information memory module, then the certification of optical module is carried out, pass parametric controller 103 by authentication result by external control oral instructions after certification completes, if authentication result is identical, then prove that this optical module is authenticated optical module, then parametric controller prompting authentication success, port normally works; If authentication result is different, then think that this optical module is not authenticated, parametric controller prompt alarm information, will the interface shutdown of this optical module be inserted if necessary.
It should be noted that in the present invention, the quantity of equipment interface is not limited, communicate by the inner EEPROM of I2C bus and optical module as long as meet each interface.
As shown in Figure 4, detailed process of the present invention is:
Step S11, equipment receives authenticate key expressly by parametric controller;
Step S12, whether timing detects outside has optical module to insert;
Step S13, judges that whether optical module is in place;
If do not detected, optical module inserts, and returns and continues to perform step S12;
If detected, optical module inserts, then perform step S14, the state of the port inserting optical module is upgraded in system port mapping table;
Then perform step S15, whether verification optical module mark is correct;
If verification succeeds, then carry out step S16, port normally works;
If verify unsuccessful, then perform step S17, provide corresponding alarm according to system strategy parametric controller.
Such scheme of the present invention, realize comparatively simple, hardware components can use existing system resource completely, without the need to additionally increasing hardware cost, can be widely used in the various equipment having optical module interface; Certification work is completed automatically by software, and without the need to human intervention, and strategy is comparatively flexible, the size of data position write for User Defined district in optical module EEPROM and cryptographic algorithm do not have mandatory requirement, as long as ensure the uniqueness of check code; This method and device is used to carry out certification to optical module, whether effectively can distinguish the optical module of engineer applied onsite application through checking, all certification works are automatically carried out by described device after optical module insertion equipment, and the result exports to user by parametric controller visualization interface; Adopt the mode increasing secret key encryption, the accuracy of certification can be guaranteed; The present invention carries out authentication operation to optical module effectively can reduce equipment at engineering site because the fault that causes of the compatibility of optical module and quality problems, improve the reliability of equipment work, also can offer help to field failure location simultaneously, decrease the cost of engineering maintenance.
The above embodiment of the present invention is by carrying out inserting the optical module initial stage on equipment, carry out the certification of optical module, thus eliminate the problem of the communication failure caused because of incompatible, reduce the maintenance cost of equipment, improve the O&M efficiency of equipment management personnel simultaneously.
Above-described is the preferred embodiment of the present invention; should be understood that the ordinary person for the art; can also make some improvements and modifications not departing under principle prerequisite of the present invention, these improvements and modifications are also in protection scope of the present invention.
Claims (10)
1. a method for optical module certification, is characterized in that, comprising:
Obtain the key information preset;
If detected, optical module inserts, then obtain the authentication information of optical module storage inside, described authentication information comprises default fix information and check code;
According to preset algorithm, utilize described key information to be encrypted described fix information and obtain an encrypted result;
Judge whether described encrypted result mates with described check code, draw an authentication result.
2. method according to claim 1, is characterized in that, after drawing described authentication result, described method also comprises:
Described authentication result is exported on parametric controller and shows.
3. method according to claim 1, it is characterized in that, described fix information comprises: be stored in the identity information for optical module identity described in unique identification in the EEPROM User Defined district of optical module and the facility information for identifying light module device parameter being stored in the read-only memory block of optical module.
4. method according to claim 1, is characterized in that, described in detected optical module insert after, described method, also comprises:
Upgrade the state inserting the port of optical module in port mapping table.
5. method according to claim 1, is characterized in that, described according to preset algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result and be specially:
According to MD5 algorithm, utilize described key information to be encrypted described fix information and obtain an encrypted result.
6. a device for optical module certification, is characterized in that, comprising:
First acquisition module, for obtaining default key information;
Second acquisition module, if detected, optical module inserts, then obtain the authentication information of optical module storage inside, described authentication information comprises default fix information and check code;
Encrypting module, according to preset algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result;
Comparing module, judges whether described encrypted result mates with described check code, draws an authentication result.
7. device according to claim 6, is characterized in that, after drawing described authentication result, described device, also comprises:
Output module, shows for described authentication result being exported on parametric controller.
8. device according to claim 6, it is characterized in that, described fix information comprises: be stored in the identity information for optical module identity described in unique identification in the EEPROM User Defined district of optical module and the facility information for identifying light module device parameter being stored in the read-only memory block of optical module.
9. device according to claim 6, is characterized in that, described in detected optical module insert after, described device, also comprises:
Update module, for upgrading in port mapping table the state of the port inserting optical module.
10. device according to claim 6, is characterized in that, described encrypting module is specially: according to MD5 algorithm, utilizes described key information to be encrypted described fix information and obtains an encrypted result.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553883.9A CN105577380A (en) | 2014-10-17 | 2014-10-17 | Optical module authentication method and device |
| PCT/CN2015/072922 WO2016058306A1 (en) | 2014-10-17 | 2015-02-12 | Optical module authentication method and apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410553883.9A CN105577380A (en) | 2014-10-17 | 2014-10-17 | Optical module authentication method and device |
Publications (1)
| Publication Number | Publication Date |
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| CN105577380A true CN105577380A (en) | 2016-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410553883.9A Withdrawn CN105577380A (en) | 2014-10-17 | 2014-10-17 | Optical module authentication method and device |
Country Status (2)
| Country | Link |
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| CN (1) | CN105577380A (en) |
| WO (1) | WO2016058306A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817222A (en) * | 2016-12-14 | 2017-06-09 | 青岛海信宽带多媒体技术有限公司 | Ali's Si tower authentication method, authentication device and optical module for optical module |
| CN107566048A (en) * | 2017-09-21 | 2018-01-09 | 武汉恒泰通技术有限公司 | A kind of method that the step of optical module two card is carried out using data-interface |
| CN108173602A (en) * | 2018-03-20 | 2018-06-15 | 索尔思光电（成都）有限公司 | A kind of optical mode block encryption method and device |
| CN108184176A (en) * | 2017-12-30 | 2018-06-19 | 武汉长光科技有限公司 | A kind of method for preventing illegal optical module access OLT |
| CN109522701A (en) * | 2018-10-24 | 2019-03-26 | 新华三技术有限公司 | Palm off optical module detection method and device, electronic equipment and computer-readable medium |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111010354B (en) * | 2019-12-13 | 2022-03-08 | 苏州浪潮智能科技有限公司 | Optical module access judgment method and device, backbone network switch and medium |
| CN114726475A (en) * | 2021-01-05 | 2022-07-08 | 中国移动通信有限公司研究院 | Configuration method and device of forwarding network |
| US20230308439A1 (en) * | 2022-03-22 | 2023-09-28 | Cisco Technology, Inc. | Distributed hierarchical authentication of system component identities |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020002654A1 (en) * | 2000-07-03 | 2002-01-03 | Ichiro Tomohiro | Semiconductor storage device |
| CN101013456A (en) * | 2007-01-29 | 2007-08-08 | 杭州华为三康技术有限公司 | Data storing device in pluggable electronic assembly and system and method for implementing anti-counterfeiting |
| CN101136699A (en) * | 2006-09-01 | 2008-03-05 | 中兴通讯股份有限公司 | Automatic recognition method and encryption method of pluggable optical module |
-
2014
- 2014-10-17 CN CN201410553883.9A patent/CN105577380A/en not_active Withdrawn
-
2015
- 2015-02-12 WO PCT/CN2015/072922 patent/WO2016058306A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020002654A1 (en) * | 2000-07-03 | 2002-01-03 | Ichiro Tomohiro | Semiconductor storage device |
| CN101136699A (en) * | 2006-09-01 | 2008-03-05 | 中兴通讯股份有限公司 | Automatic recognition method and encryption method of pluggable optical module |
| CN101013456A (en) * | 2007-01-29 | 2007-08-08 | 杭州华为三康技术有限公司 | Data storing device in pluggable electronic assembly and system and method for implementing anti-counterfeiting |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106817222A (en) * | 2016-12-14 | 2017-06-09 | 青岛海信宽带多媒体技术有限公司 | Ali's Si tower authentication method, authentication device and optical module for optical module |
| CN106817222B (en) * | 2016-12-14 | 2020-10-02 | 青岛海信宽带多媒体技术有限公司 | Aliskita authentication method and authentication device for optical module and optical module |
| CN107566048A (en) * | 2017-09-21 | 2018-01-09 | 武汉恒泰通技术有限公司 | A kind of method that the step of optical module two card is carried out using data-interface |
| CN107566048B (en) * | 2017-09-21 | 2019-09-17 | 武汉恒泰通技术有限公司 | A method of two step of optical module, which is carried out, using data-interface demonstrate,proves |
| CN108184176A (en) * | 2017-12-30 | 2018-06-19 | 武汉长光科技有限公司 | A kind of method for preventing illegal optical module access OLT |
| CN108173602A (en) * | 2018-03-20 | 2018-06-15 | 索尔思光电（成都）有限公司 | A kind of optical mode block encryption method and device |
| CN109522701A (en) * | 2018-10-24 | 2019-03-26 | 新华三技术有限公司 | Palm off optical module detection method and device, electronic equipment and computer-readable medium |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2016058306A1 (en) | 2016-04-21 |
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Application publication date: 20160511 |