CN101764688B - Remote assisting method and system - Google Patents

Remote assisting method and system Download PDF

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Publication number
CN101764688B
CN101764688B CN2008101849320A CN200810184932A CN101764688B CN 101764688 B CN101764688 B CN 101764688B CN 2008101849320 A CN2008101849320 A CN 2008101849320A CN 200810184932 A CN200810184932 A CN 200810184932A CN 101764688 B CN101764688 B CN 101764688B
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end device
server unit
information
admission ticket
assistance
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CN101764688A (en
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邓博元
郭伦嘉
黄义雄
柯力群
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Industrial Technology Research Institute ITRI
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Industrial Technology Research Institute ITRI
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Priority to CN2008101849320A priority Critical patent/CN101764688B/en
Priority to US12/466,049 priority patent/US20100146280A1/en
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Abstract

The invention relates to a remote assisting method which is applied to a remote assisting system. The remote assisting system comprises a server device, a help end device and an assisting end device. The remote assisting method comprises the following steps of: firstly, responding to a help event and encrypting ticket information according to a first golden key to supply the encrypted ticket information for the server device; secondly, decoding the encrypted ticket information supplied by the help end device according to a second golden key to obtain the ticket information through decoding; and thirdly, supplying the ticket information obtained through decoding for the assisting end device. Therefore, the assisting end device can log in the help end device and carries out remote assisting operation.

Description

Remote assistance method and remote assisting system
Technical field
The present invention relates to a kind of communication system, and particularly relate to a kind of in order to realize the distant place assistance system of distant place assist in functions.
Background technology
In the epoch now that development in science and technology is maked rapid progress, many mechanicss of communication are to be widely used in many application scenarios, with convenient daily life.In a kind of application scenario, electronic product supplier's Customer Service Department provides the long-range use of product operation assistance services to the electronic product that can't normally use its supply.
In existing common technique, being in long-range electronic product user needs to obtain operation teaching and assistance through communication link such as interphone, mobile phone or networks to Customer Service Department voluntarily.Yet, how to utilize existing mechanics of communication to design one of direction that more convenient and easy to operate remote assisting system constantly endeavours for industry.
Summary of the invention
The object of the present invention is to provide a kind of long-range safely method of logining other people device; Let a certain user can login the function of carrying out issue handling or system's reparation to other people device; Concerning by the collaborationist, the present invention reaches ease of Use and can carry out by the behavior that other people assist, the real flexibility of doing of the various fail safes when the present invention also considers communication, real-time and system; For this reason, the present invention provides a kind of remote assistance method and remote assisting system.
For reaching said purpose, the present invention provides a kind of remote assistance method and remote assisting system to be described below:
The present invention provides a kind of remote assisting system, and the end device of seeking help wherein (promptly not being to use the person to hold the device of operation) is in response to the incident of seeking help the server unit of admission ticket information via remote assisting system provided to assisting end device.So, assist end device to login to the end device of seeking help, to assist the end device eliminating operational issue of seeking help according to admission ticket information.
Propose a kind of remote assistance method according to the present invention, be applied to remote assisting system.Remote assisting system comprises server unit, seek help end device and assistance end device.Remote assistance method comprises following step.At first, encrypt, encrypt admission ticket (Ticket) information to server unit to provide first according to first gold medal key (Key) pair of tickets (Ticket) information in response to the incident of seeking help.Then first encrypt admission ticket information and decipher, obtain admission ticket information with decoding according to what second key pair sought help that end device provides.Afterwards, provide the admission ticket information that obtains of decoding, thus, assist end device can login the end device of seeking help, and carry out the remote assistance operation to assisting end device.
Propose a kind of remote assisting system according to the present invention, comprise the end device of seeking help, server unit and assist end device.The end device of seeking help has the first gold medal key, and the end device of seeking help is encrypted according to the first key pair admission ticket information in response to the incident of seeking help, and encrypts admission ticket information to provide first.Server unit has the second gold medal key, and server unit is encrypted admission ticket information according to second key pair first and deciphered, and obtains and provide admission ticket information with decoding.The admission ticket information of assisting end device reception server device to provide thus, assists end device can login the end device of seeking help, and carries out the remote assistance operation.
A kind of remote assisting system is proposed, in order to carry out communication operation with assisting end device according to the present invention.Remote assisting system comprises seek help end device and server unit.The end device of seeking help has the first gold medal key, and the end device of seeking help is encrypted according to the first key pair admission ticket information in response to the incident of seeking help, and encrypts admission ticket information to provide first.Server unit has the second gold medal key, and server unit is encrypted admission ticket information according to second key pair first and deciphered, and obtains and provides admission ticket information to assisting end device with decoding.Thus, assist end device can login the end device of seeking help, and carry out the remote assistance operation.
Beneficial effect of the present invention: general remote connection is to share certain secret (for example account number cipher) between two main frames in advance as fado, adds an extra Channel (like mobile phone news in brief) and logins.And the effect that method of the present invention reaches is; Assist through a server host; Let the third party assist end device and logined not need between destination apparatus any shared secret is arranged in advance and can carry out remote connection safely; Solve the problem that destination apparatus is positioned at floating IP address and fire compartment wall rear end, also do not limit the specific identity of assisting end device, can dynamically adjust at any time.Technical server host of the present invention multichannel mode capable of using is passed to assistance device with the destination apparatus data; To increase safety of data transmission; And encapsulate the reliability that increases system through Secret Sharing information, and compared with prior art, tool obvious improvement property.
Description of drawings
Fig. 1 illustrates the calcspar according to the remote assisting system of the embodiment of the invention.
It is the order of operation figure of Fig. 1 that Fig. 2 illustrates.
Fig. 3 illustrates another calcspar according to the remote assisting system of the embodiment of the invention.
It is the order of operation figure of Fig. 3 that Fig. 4 illustrates.
Fig. 5 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention.
It is the order of operation figure of Fig. 5 that Fig. 6 illustrates.
Fig. 7 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention.
It is the order of operation figure of Fig. 7 that Fig. 8 illustrates.
Fig. 9 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention.
Figure 10 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention.
It is the order of operation figure of Figure 10 that Figure 11 illustrates.
[main element symbol description]
1,2,3,4,5: remote assisting system
12,22,32,42,42 ', 52: the end device of seeking help
14,24,34,44,44 ', 54: server unit
16,26,36,46,46 ', 56: assist end device
C, Cm-Cm, C1 ', Cj ', C1 ", Cj ": communication channel
Embodiment
For letting the foregoing of the present invention can be more obviously understandable, hereinafter is special lifts a preferred embodiment, and conjunction with figs., elaborates as follows:
Please with reference to Fig. 1 and Fig. 2, Fig. 1 illustrates the calcspar according to the remote assisting system of the embodiment of the invention, and it is the order of operation figure of Fig. 1 that Fig. 2 illustrates.Remote assisting system 1 comprises the end device 12 of seeking help, server unit 14 and assists end device 16.For instance, seek help end device 12 for be online to the electric household appliance of network through home gateway device (Home Gateway).So, the end device 12 of seeking help has the remote operation function that can carry out respective operations in response to the instruction that provides via network and home gateway device.In an example, this electronic type electric household appliance for example is a digital television apparatus.
The end device 12 of seeking help has golden key (Key) KeyN.Seek help end device 12 in response to the incident Eh that seeks help, come pair of tickets (Ticket) information IT to encrypt, encrypt the admission ticket information IT_k and the instruction Chp that seeks help to provide according to golden key KeyN.For instance, admission ticket information IT_k for example comprises user's account information, encrypted message and the network address (IP) address information.The incident Eh of seeking help for example starts the incident of the control button of seeking help on the control panel of the end device 12 of seeking help for the user.
Server unit 14 has golden key KeyS.Server unit 14 is deciphered encrypting admission ticket information IT_k according to golden key KeyS in response to the instruction Chp that seeks help, and obtains admission ticket information IT with decoding.
In an example, the end device 12 of seeking help also comprises device sequence number SN, and in response to the incident generator sequence number SN that seeks help to server unit 14.And the golden key KeyN of the golden key KeyS of the end device 12 of seeking help and server unit 14 for example satisfies:
KeyN＝Hash(KeyS||SN)
So, assorted via gathering (Hash) computing, server unit 14 can produce golden key KeyN with the device sequence number SN computing that the end device 12 of seeking help provides according to its golden key KeyS that has, and produces admission ticket information IT to encrypting admission ticket information IT_k decoding according to this.
The admission ticket information IT that server unit 14 also obtains decoding provides to assisting end device 16, so, assists end device 16 to login the end device 12 of seeking help according to admission ticket information IT, and carries out the remote assistance operation.
In an example, the data transfer operation that server unit 14 and assistance end device are 16 for example application verification sign indicating number (Authentication Code) mechanism is protected.In identifying code mechanism, server unit 14 is dynamically to produce identifying code Rn, and via specific communication channel C identifying code Rn is provided to assisting end device 16 (being single channel path (Single Channel) execution mode).
For instance, this communication channel C can be Network Transmission channel and global mobile phone (Global System for Mobile Communication, GSM) communication channel.Identifying code Rn can transmit identifying code Rn via the communications protocol (for example being Email, voice-over-net message, telephone system tone information or telephone system news in brief etc.) that the application of aforementioned communication channel transmits.
Assist end device 16 Receipt Validation sign indicating number Rn, and when receiving identifying code Rn, return response message SRn accordingly to login server unit 14.For instance, assist end device 16 directly the identifying code Rn that receives to be back to server unit 14 to login server unit 14 as response message SRn.Server unit 14 determines to assist end device 16 to verify successfully after receiving response message SRn, so, assists end device 16 can obtain the admission ticket information IT in the server unit 14, and logins the end device 12 of seeking help according to this, carries out corresponding use operation to assist it.
In the present embodiment; Though be that example is explained with assisting end device 16 via the situation that a communication channel C transmits identifying code Rn, response message SRn and admission ticket information IT only with server unit 14; Yet the remote assisting system 1 of present embodiment is not limited thereto.In another example, the server unit 14 of present embodiment also can carry out the transmission of admission ticket information IT through multichannel path (Multiple Channels).
Please with reference to Fig. 3, it illustrates another calcspar according to the remote assisting system of the embodiment of the invention.In this example, server unit 24 and assist 26 of end devices comprise m communication channel C1, C2 ..., Cm, m is the natural number greater than 1.Server unit 24 warps m communication channel C1-Cm thus provide identifying code Rn1-Rnm to assisting end device 26.
Please with reference to Fig. 4, it illustrates is the order of operation figure of Fig. 3.For instance, identifying code Rn1-Rnm has different data value c.In this example; Assisting end device 26 can (for example be identifying code { Rn3} according to identifying code Rn1-Rnm arbitrary subclass (Subset) wherein; { Rn1, Rn2}, or { Rn1; Rn3}... etc.) produce response message SRn accordingly and be back to server unit 24, to accomplish the authentication operation of 26 of server unit 24 and assistance end devices.
Though only protecting server unit 14 and assist the situation of the data transfer operation of 16 of end devices with application verification ink recorder system in the present embodiment is that example is explained; Yet; The remote assisting system 1 of present embodiment is not limited thereto, and also can protect server unit 14 and assist the data transfer operation of 16 of end devices through the mechanism of other form.
Please with reference to Fig. 5 and Fig. 6, Fig. 5 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention, and it is the order of operation figure of Fig. 5 that Fig. 6 illustrates.In this example, server unit 34 is shared (Secret Sharing) mechanism with the data transfer operation of assisting 36 of end devices via password and is protected.Server unit 34 comes pair of tickets information IT to encrypt a golden key SK, to obtain encrypting admission ticket information IT_SK.For instance, encrypt admission ticket information IT_SK comprise account information and golden key SK mutual exclusion or (Exclusive OR) result, encrypted message and golden key SK mutual exclusion or result, IP information, time parameter information and encrypted message, account information and IP information gather assorted authorization information.
Server unit 34 also with golden key SK be divided into j interest key SK_1, SK_2 ..., SK_j, and set and can calculate golden key SK according to the golden key of the i one's share of expenses for a joint undertaking among j the interest key SK_1-SK_j, j is the natural number greater than 1, i is the natural number less than j.
Server unit 34 respectively via j communication channel C1 ', C2 ' ..., Cj ' comes respectively interest key SK_1-SK_j and encrypts admission ticket information IT_SK to provide to assisting end device 36.
For instance, server unit 34 carries out the decomposition of golden key SK according to Shamir ' s password sharing mechanism.Make golden key SK have numerical value 1234, j and i equal 6 and 3 respectively, and the also dynamic setup parameter a of server unit 34 1Equal 166 and parameter a 2Equal 94.Under so condition, server unit 34 is for example obtained multinomial:
f(x)＝1234+a 1x+a 2x 2＝1234+166x+94x 2
Respectively with condition:
x＝1；x＝2；x＝3；x＝4；x＝5；x＝6
Bring into and can get 6 groups in the aforementioned multinomial and separate set (x, f (x)):
(1,1494), (2,1942), (3,2578), (4,3402), (5,4414) and (6,5614).
Separate set and provide to assisting end device 36 via the communication channel of correspondence respectively as interest key SK_1-SK_6 respectively for 6 groups that decomposition is obtained.Suppose to assist end device 36 to receive interest key SK_2, SK_4 and SK_5, then assist end device 36 to obtain golden key SK through the following equation reduction according to this the 2nd, the 4th and the 5th interest key:
SK_2＝(x 0，y 0)＝(2，1942)；SK_4＝(x 1，y 1)＝(4，3402)；SK_5＝(x 2，y 2)＝(5，5614)；
l 0 ( x ) = x - x 1 x 0 - x 1 × x - x 2 x 0 - x 2 = x - 4 2 - 4 × x - 5 2 - 5 = 1 6 x 2 - 1 1 2 x + 3 1 3
l 1 ( x ) = x - x 0 x 1 - x 0 × x - x 2 x 1 - x 2 = x - 2 4 - 2 × x - 5 4 - 5 = - 1 2 x 2 + 3 1 2 x - 5
l 3 ( x ) = x - x 0 x 2 - x 0 × x - x 1 x 2 - x 1 = x - 2 5 - 2 × x - 4 5 - 4 = 1 3 x 2 - 2 x + 2 2 3
f ( x ) = Σ z = 0 2 y z × l z ( x ) = 1942 { 1 6 x 2 - 1 1 2 x + 3 1 3 } + 3402 { - 1 2 x 2 + 3 1 2 x - 5 } + 4414 { 1 3 x 2 - 2 x + 2 2 3 }
= 1234 + 166 x + 94 x 2 = SK + 166 x + 94 x 2
So, assist end device 36 to obtain golden key SK, and decipher and obtain admission ticket information IT encrypting admission ticket information IT_SK according to this according to aforementioned operation.
Though only explain in the present embodiment with the example that is operating as of Shamir ' s secret sharing (Secret Sharing) mechanism; Yet; The server unit 34 of present embodiment and the transfer of data of forcing 36 of end devices to do one's bidding are not limited to use Shamir ' s secret sharing mechanism to protect; And golden key SK, i and j also are not limited to the setting of previous example, and also can be the setting value that other meets corresponding secret sharing mechanism.
Though only provide identifying code Rn to assisting end device 16 in the present embodiment with the end device 12 of seeking help; Login with checking the end device 12 of seeking help assistance end device 16 identity be operating as the example explain; Yet the remote assisting system 1 of present embodiment is not limited to for this reason.
Please with reference to Fig. 7 and Fig. 8, Fig. 7 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention, and it is the order of operation figure of Fig. 7 that Fig. 8 illustrates.In another example, server unit 44 provides identifying code Rn " to the end device 42 of seeking help, and provides identifying code Rn " to assisting end device 46 via the end device 42 of seeking help.Afterwards, the identifying code Rn that assists end device 46 to provide according to the end device 42 of seeking help " produce back information SRn ' to server unit 44 to login server unit 44.So, assist end device 46 also can obtain admission ticket information IT, to login the end device 32 of seeking help from server unit 44 ends.
In the present embodiment, though be that example is explained through the situations that fixing golden key KeyN and KeyS encrypt only with server unit 14 and 12 of the end devices of seeking help, the cryptographic operation of server unit 14 and 12 of the end devices of seeking help is not limited to for this reason.
Please with reference to Fig. 9, it illustrates the calcspar again according to the remote assisting system of the embodiment of the invention.In another example, identifying code Rn " be by the end device 42 of seeking help ' generation, and provide to server unit 44 ' and assist end device 46 '.Afterwards, assist end device 46 ' provide identifying code Rn " to server unit 44, obtaining admission ticket information IT, and login the end device 44 of seeking help '.
Please with reference to Figure 10 and Figure 11, Figure 10 illustrates the calcspar again according to the remote assisting system of the embodiment of the invention, and it is the order of operation figure of 10 figure that Figure 11 illustrates.In another example, after server unit 54 was tried to achieve golden key KeyN according to device sequence number SN, server unit 54 also dynamically produced dynamic golden key SK ', and provide the mutual exclusion of dynamic golden key SK ' and golden key KeyN or as a result Sxr to the end device 52 of seeking help.So, seek help end device 52 can according to mutual exclusion or as a result Sxr obtain dynamic golden key SK ', and pair of tickets information IT encrypts according to this, and will encrypt admission ticket information IT_SK ' and provide to server unit 54.In an example, server unit 54 also provides the hash authorization information of time parameter information and time parameter and dynamic golden key SK to the end device 52 of seeking help, to verify dynamic golden key SK.
Then, server unit 54 execution and server unit 34 be identical operations in fact, encrypts admission ticket information IT_SK ' to assisting end device 56 to provide via Shamir ' s password sharing mechanism.So, assistance end device 56 can be obtained and login the end device 52 of seeking help according to admission ticket information IT_SK '.
In the present embodiment; Though is that example is explained with the communication transmission of seek help 14 of end device 12 and server units through the situation that the golden key of using hash computing and the mechanism of symmetric cryptography carries out encipherment protection, the communication of seek help 14 of end device 12 and the server units of present embodiment is transmitted and is not limited thereto.In other example, the transmission of seek help 14 of end device 12 and server units also can be carried out encipherment protection through the mode of golden key (Public Key) cryptographic system.
In sum, though the present invention with a preferred embodiment openly as above, yet it is not in order to limit the present invention.Have common knowledge in the technical field under the present invention, do not breaking away from the spirit and scope of the present invention, when doing various changes and retouching.Therefore, protection scope of the present invention is when looking being as the criterion that accompanying Claim defines.

Claims (26)

1. a remote assistance method is applied to a remote assisting system, it is characterized in that: this remote assisting system comprises that a server unit, an end device and of seeking help assists end device, and this remote assistance method comprises:
(a) receive one first and encrypt admission ticket information, this first encrypt admission ticket information by this end device of seeking help in response to the incident of seeking help, produce according to the one admission ticket information encryption of one first key pair;
(b) this first encryption admission ticket information that provides according to this end device of seeking help of one second key pair is deciphered, and obtains this admission ticket information with decoding; And
(c) this admission ticket information that provides decoding to obtain is assisted end device to this, and thus, this assistance end device can be logined this end device of seeking help, and carries out the remote assistance operation;
Wherein, step (a) also comprises:
Receive a device serial number information, this device serial number information is produced by this end device of seeking help;
Step (b) comprising:
(b1) gather assorted computing according to this device serial number information and this second gold medal key, obtain this first gold medal key with computing; And
(b2) decipher according to this first encryption admission ticket information of this first key pair, to solve this admission ticket information.
2. remote assistance method as claimed in claim 1 is characterized in that: also comprise:
(d) produce an authentication information;
(e) send this authentication information via a single channel path (Single Channel) and assist end device to this, this assistance end device is in order to return a response message according to this authentication information; And
(f) judge whether to receive this response message judging whether authentication success of this assistance end device, if, execution in step (c).
3. remote assistance method as claimed in claim 1 is characterized in that: also comprise:
(d) produce an authentication information;
(e) send this authentication information via a multichannel path and assist end device to this, this assistance end device is in order to return a response message according to this authentication information; And
(f) judge whether to receive this response message judging whether authentication success of this assistance end device, if, execution in step (c).
4. remote assistance method as claimed in claim 1 is characterized in that: also comprise:
(d) produce an authentication information;
(e) provide this authentication information to assist end device to this via this end device of seeking help, this assistance end device is in order to return a response message according to this authentication information; And
(f) judge whether to receive this response message judging whether authentication success of this assistance end device, if, execution in step (c).
5. remote assistance method as claimed in claim 1 is characterized in that: step (c) also comprises:
(c1) produce and encrypt, encrypt admission ticket information to produce one second according to this admission ticket information of one the 3rd key pair;
(c2) decompose the 3rd gold medal key according to secret sharing mechanism, decompose golden key information to obtain the N pen, N is the natural number greater than 1; And
(c3) sending this N pen via N communication channel decomposes golden key information and this second and encrypts admission ticket information and assist end device to this.
6. remote assistance method as claimed in claim 5; It is characterized in that: this assistance end device decomposes synthetic the 3rd gold medal key that obtains of golden key information according to the pen of M at least that this N pen decomposes in the golden key information; And according to the 3rd key pair this second encrypts admission ticket information decoding to obtain this admission ticket information, M is the natural number less than N.
7. remote assistance method as claimed in claim 1 is characterized in that: also comprise:
(d) produce an authentication information;
(e) provide this authentication information to this end device of seeking help;
(f) provide this this authentication information that end device of seeking help receives to assist end device to this, this assistance end device provides a response message to this server unit according to this authentication information; And
(g) judge whether to receive this response message judging whether authentication success of this assistance end device, if, execution in step (c).
8. remote assistance method as claimed in claim 1 is characterized in that: this first gold medal key is public key (Public Key).
9. a remote assisting system is characterized in that, comprising:
One end device of seeking help has one first gold medal key, and this end device of seeking help is encrypted according to this first key pair, one admission ticket information in response to the incident of seeking help, and encrypts admission ticket information to provide one first;
One server unit has one second gold medal key, and this server unit is deciphered according to this first encryption admission ticket information of this second key pair, obtains and provide this admission ticket information with decoding; And
One assists end device, receives this admission ticket information that this server unit provides, and this assistance end device can be logined this end device of seeking help, and carries out the remote assistance operation;
Wherein, this end device of seeking help also produces and provides a device serial number information to this server unit; This server unit gathers assorted computing according to this device serial number information and this second gold medal key, obtains this first gold medal key with computing, and also this first encrypts admission ticket information and decipher this server unit according to this first key pair, to solve this admission ticket information.
10. remote assisting system as claimed in claim 9 is characterized in that:
This server unit also produces an authentication information, and sends this authentication information via a single channel path (Single Channel) and assist end device to this, and this assistance end device is in order to return a response message according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
11. remote assisting system as claimed in claim 9 is characterized in that:
This server unit produces an authentication information, and sends this authentication information via a multichannel path and assist end device to this, and this assistance end device is in order to return a response message according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
12. remote assisting system as claimed in claim 9 is characterized in that:
Produce an authentication information, and provide this authentication information to assist end device to this via this end device of seeking help, this assistance end device is in order to return a response message according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
13. remote assisting system as claimed in claim 12 is characterized in that: this produces an authentication information and is produced by this end device of seeking help.
14. remote assisting system as claimed in claim 9 is characterized in that: this server unit produces and encrypts according to this admission ticket information of one the 3rd key pair, encrypts admission ticket information to produce one second;
This server unit also decomposes the 3rd gold medal key according to secret sharing mechanism, decomposes golden key information to obtain the N pen, and N is the natural number greater than 1;
This server unit also decomposes golden key information via N this N pen of communication channel transmission and this second encryption admission ticket information is assisted end device to this.
15. remote assisting system as claimed in claim 14; It is characterized in that: this assistance end device decomposes synthetic the 3rd gold medal key that obtains of golden key information according to the pen of M at least that this N pen decomposes in the golden key information; And according to the 3rd key pair this second encrypts admission ticket information decoding to obtain this admission ticket information, M is the natural number less than N.
16. remote assisting system as claimed in claim 9 is characterized in that:
This server unit also produces an authentication information provides this authentication information to this end device of seeking help;
This end device of seeking help provides this authentication information to assist end device to this, and this assistance end device provides a response message to this server unit according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
17. remote assisting system as claimed in claim 9 is characterized in that: this first gold medal key is a public key.
18. a remote assisting system is characterized in that, in order to carry out communication operation with an assistance end device, this remote assisting system comprises:
One end device of seeking help has one first gold medal key, and this end device of seeking help is encrypted according to this first key pair, one admission ticket information in response to the incident of seeking help, and encrypts admission ticket information to provide one first; And
One server unit; Has one second gold medal key; This first encrypts admission ticket information and deciphers this server unit according to this second key pair, obtains and provides this admission ticket information to assist end device to this with decoding, thus; This assistance end device can be logined this end device of seeking help, and carries out the remote assistance operation;
Wherein, this end device of seeking help also provides a device serial number information to this server unit; This server unit gathers assorted computing according to this device serial number information and this second gold medal key, obtains this first gold medal key with computing, and also this first encrypts admission ticket information and decipher this server unit according to this first key pair, to solve this admission ticket information.
19. remote assisting system as claimed in claim 18; It is characterized in that: this server unit also produces an authentication information; And send this authentication information via a single channel path (Single Channel) and assist end device to this, this assistance end device is in order to return a response message according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
20. remote assisting system as claimed in claim 18 is characterized in that:
This server unit also produces an authentication information, and sends this authentication information via a multichannel path and assist end device to this, and this assistance end device is in order to return a response message according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
21. remote assisting system as claimed in claim 18 is characterized in that:
Produce an authentication information, and provide this authentication information to assist end device to this via this end device of seeking help, this assistance end device is in order to return a response message according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
22. remote assisting system as claimed in claim 21 is characterized in that: this produces an authentication information is to be produced by this end device of seeking help.
23. remote assisting system as claimed in claim 18 is characterized in that:
This server unit produces and encrypts according to this admission ticket information of one the 3rd key pair, encrypts admission ticket information to produce one second;
This server unit also decomposes the 3rd gold medal key according to secret sharing mechanism, decomposes golden key information to obtain the N pen, and N is the natural number greater than 1;
This server unit also decomposes golden key information via N this N pen of communication channel transmission and this second encryption admission ticket information is assisted end device to this.
24. remote assisting system as claimed in claim 23; It is characterized in that: this assistance end device decomposes synthetic the 3rd gold medal key that obtains of golden key information according to the pen of M at least that this N pen decomposes in the golden key information; And according to the 3rd key pair this second encrypts admission ticket information decoding to obtain this admission ticket information, M is the natural number less than N.
25. remote assisting system as claimed in claim 18 is characterized in that:
This server unit also produces an authentication information provides this authentication information to this end device of seeking help;
This end device of seeking help provides this authentication information to assist end device to this, and this assistance end device provides a response message to this server unit according to this authentication information; And
This server unit judges whether also to receive that this response message is to judge whether authentication success of this assistance end device; When this server unit is received this response message; This server unit is judged and should be verified successfully by the assistance end device, and provides this admission ticket information to assist end device to this.
26. remote assisting system as claimed in claim 18 is characterized in that: this first gold medal key is a public key.
CN2008101849320A 2008-12-10 2008-12-23 Remote assisting method and system Active CN101764688B (en)

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CN102905250B (en) * 2011-07-27 2015-08-12 三星电子（中国）研发中心 The method, system and device of remote assistance between mobile terminal
CN105491229B (en) * 2015-11-26 2019-01-04 小米科技有限责任公司 The method and apparatus of remote control mobile terminal
CN107426395A (en) * 2016-05-23 2017-12-01 中兴通讯股份有限公司 A kind of recourse method and terminal, rescue skills and terminal, emergency help system
CN109408168B (en) * 2018-09-25 2021-11-19 维沃移动通信有限公司 Remote interaction method and terminal equipment
CN109743373A (en) * 2018-12-25 2019-05-10 北京奇安信科技有限公司 Remote assistance method, equipment, system and the medium of terminal

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CN1764116A (en) * 2004-10-19 2006-04-26 国际商业机器公司 Method and server for providing remote help
CN101017370A (en) * 2007-02-15 2007-08-15 北京飞天诚信科技有限公司 Method for controlling intelligent electric appliance and system thereof

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CN101017370A (en) * 2007-02-15 2007-08-15 北京飞天诚信科技有限公司 Method for controlling intelligent electric appliance and system thereof

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