CN1913432A - Method and system of card number service using SIP authentication - Google Patents
Method and system of card number service using SIP authentication Download PDFInfo
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- CN1913432A CN1913432A CNA2006100993005A CN200610099300A CN1913432A CN 1913432 A CN1913432 A CN 1913432A CN A2006100993005 A CNA2006100993005 A CN A2006100993005A CN 200610099300 A CN200610099300 A CN 200610099300A CN 1913432 A CN1913432 A CN 1913432A
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Abstract
This invention discloses a method and a system for using SIP authority authentication of card number service, in which, after the customer end receives the validation information sent by an applied server, the inquired information including the authority authentication information is sent to the applied server, which authenticates said information so as to simplify the dial flow of users.
Description
Technical field
The present invention relates to the SIP authentication techniques, relate in particular to the method and system that uses the SIP authentication based on the card number service of the Internet.
Background technology
Along with the fast development of Internet technology, make and use speech business to become possibility based on the Internet.Because of the identify label of card number service is a card number, rather than telephone number, the application of card number service not only has very big flexibility, but also can save the telephone number resource.
Existing a kind of card number service method for authenticating based on the Internet is that the user at first inputs telephone number and password, after soft switch is by authentication, the voice suggestion that provides by Media Resource Server of user then, input card number, password, after authentication, soft switch routes the call to called.
Please refer to Fig. 1, use SIP method for authenticating flow chart, comprising for prior art:
A1. the user imports calling telephone number, telephone cipher on software terminal, clicks to send.
A2. software terminal is initiated the Register register requirement of SIP (Session Initiation Protocol, conversation initialized protocol) to soft switch.
A3. the 401Unauthorized information of band authenticator is returned in soft switch, require software terminal that calling number+password+authenticator is encrypted after, the information of carrying after the encryption by Register is delivered to soft switch again.
A4. after the soft switch checking is passed through, return 200 OK normal responses, software terminal lands success.
A5. the user dials 200 on software terminal, and this 200 is a pre-payment card number access code, and software terminal is delivered to soft switch with 200 by INVITE.
A6. soft switch is arrived AS (ApplicationServer, application server) according to routing iinformation with this INVITE (request) forwards, triggers 200 business on the AS.
A7.AS indication MRS (Media Resource Server, Media Resource Server) sets up the media channel RTP (Real-time Transport Protocol, RTP) with software terminal, and play cuing user imports the voice of 200 card numbers; The user imports card number on the keyboard of software terminal, card number is sent to by DTMF (Dual-Tone Multi Frequency, dual-tone multifrequency) signal and returns to the AS prepayment service after MRS, MRS identify card number.
A8.200 is professional to continue to point out the user to input password (200 card number password); After the user inputed password, 200 business were according to card number, password authentication, and authentication is imported called number by back voice suggestion user.
A9. the user according to prompting input called after, 200 business are carried out follow-up called processing, and in calling procedure, monitor, as The Calling Party Hooks On, whether Called Onhook, the duration of call arrive etc.
From above-mentioned prior art as can be seen, at first will register calling number in soft switch, behind the authentication success, collect information such as user's card number, password and called number by RTP carrying dtmf signal, each is called out and all will use MRS; Like this, need exchange more sip message when not only software terminal and MRS carry out interactive voice, occupying system resources, and also the user presses a series of number of voice prompting input, uses this business quite to bother, and is unfavorable for that operator commences business.
Summary of the invention
The technical problem to be solved in the present invention provides can simplify the subscriber dialing flow process, and that reduces the SIP Signalling exchange uses the method and system of SIP authentication based on the card number service of the Internet.
For solving the problems of the technologies described above, the present invention is achieved through the following technical solutions:
A kind of method of card number service authentication, be applied in the calling procedure that uses conversation initialized protocol, comprise: application server returns response message to described client after receiving first request message that sends from client, carries authorization information in the described response message; Described client obtains authentication information according to the authorization information that receives in the described response message, and sends second request message to described application server, carries described authentication information in described second request message; Application server carries out authentication to described authentication information.
Preferably, described authorization information comprises authenticator and cryptographic algorithm; Described client was carried out cryptographic calculation according to user's card number, user cipher and described authenticator before sending second request message, obtain to comprise the authentication information of encrypted characters string.
Preferably, described application server carries out authentication and comprises: described application server is inquired about the password of this user's card number in database according to described user's card number, carry out cryptographic calculation according to described user's card number, the described password that inquires and described authenticator, obtain the encrypted characters string; Described application server compares the encrypted characters string that this encrypted characters string and described application server receive, if identical, authentication is passed through, otherwise authentication is not passed through.
Preferably, described client sends first request message and further comprises called number; Described application server sends described called number to soft switch after authentication is passed through, soft switch is arrived described called number with call proceeding.
Preferably, before setting up the calling connection, application server is calculated the duration of call in advance according to user's card number remaining sum; After setting up the calling connection, application server is called out by described duration of call monitoring, when the duration of call arrives, and call release.
Preferably, between described client and the application server mutual information by the soft switch transparent transmission.
Preferably, described encrypted characters string carries out the cryptographic calculation acquisition according to message digest algorithm MD5.
A kind ofly use the method for the card number service authentication of Session initiation protocol SIP based on the Internet, comprising: the client control sends first request message to soft switch, and described first request message of soft switch transparent transmission is given application server; Application server returns and comprises the response message of acting on behalf of authentication request information to soft switch, and the described response message of soft switch transparent transmission is given described client control, and the described authentication request information of acting on behalf of comprises cryptographic algorithm; Described client control carries out cryptographic calculation according to described cryptographic algorithm, obtains the encrypted characters string, sends second request message to soft switch, and described second request message comprises the encrypted characters string, and described second request message of soft switch transparent transmission is given described application server; Described application server carries out authentication to described encrypted characters string.
A kind of system that uses the card number service authentication of conversation initialized protocol, comprise client control module and application server: described client control module is used for sending a request message to described application server, and return the response message that comprises authorization information according to described application server, carry out cryptographic calculation and obtain the encrypted characters string, and will comprise that the request message of described encrypted characters string sends to described application server; Described application server is used for returning the response message that comprises authorization information to described client control module, and described character string is carried out authentication.
Preferably, also comprise Softswitch: described Softswitch is used for mutual information between described client control module of transparent transmission and the described application server.
Above technical scheme as can be seen because in the present invention, after client receives the checking message of sending from application server, send comprise authentication information solicited message to application server, application server carries out authentication to this information; The present invention does not need to send log-on message to soft switch, has avoided the authentication of soft switch to calling number, does not need Media Resource Server that interactive voice is provided, thereby reduce the SIP Signalling exchange, improve systematic function, simplify the subscriber dialing flow process, help operator and commence business.
Description of drawings
Fig. 1 uses SIP method for authenticating flow chart for prior art;
Fig. 2 uses SIP method for authenticating flow chart for the present invention;
Fig. 3 uses SIP method for authenticating flow chart for the embodiment of the invention;
Fig. 4 is a system schematic of the present invention.
Embodiment
The invention provides the method and system that is applied to the professional SIP of use of the Internet card number authentication, its basic thought is not use soft switch that calling number is carried out authentication, do not use MRS to carry out interactive voice yet, but comprise that by the transmission of client control the INVITE information of authentication information is to application server, application server carries out authentication to this information, thereby simplifies user's dialing flow process.
Please refer to Fig. 2,, comprising for the present invention uses SIP method for authenticating flow chart:
D1. after application server receives first request message that sends from client, return response message, carry authorization information in the described response message to described client;
D2. described client obtains authentication information according to the authorization information that receives in the described response message, and sends second request message to described application server, carries described authentication information in described second request message;
D3. application server carries out authentication to described authentication information.
For further understanding the present invention, below the technical program is described in detail by embodiment.
Please refer to Fig. 3, use SIP method for authenticating flow chart, comprising for the embodiment of the invention:
B1. at client control input user card number, user cipher and called number.When the user will use card number service based on the Internet, at first buy or obtain card number and password by other channel to operator, the client control is installed then.Described client control is the SIP client, is realized by ActiveX usually, but does not limit a kind of realization technology, can comprise the Client mode.The mode that control is installed is a lot, such as, the user selects " Web dialing " by the network address of browser access operator appointment, and browser is downloaded soft Phone Controls automatically.The client control can be regarded as supporting the multimedia terminal of Session Initiation Protocol, is installed on the PC, cooperates earphone and Mike to provide speech business for the user, can also provide video communication service for the user if mix camera.
After control installs, by prompting input pre-payment card number and password; Provide memory function as control, the user selects to remember card number, password, then need not when land next time to import once more.
After the user sets up the card number password, see the soft keyboard of similar telephone keypad in browser page, import called number for the user, this moment, the user imported called number, and clicked " dial-out " button.
B2. the client control sends the request INVITE to soft switch according to the soft switch address of inside setting, and soft switch is forwarded to AS with this INVITE.
Described INVITE is a SIP information, is used for creating session and uses in different participants.A session is by one group of participant, and the Media Stream that is used between them exchange is formed.
Described soft switch address does not generally need the terminal use to be provided with by hand, and when downloading and installing the SIP client that operator provides, the situation according to operator is provided with destination address automatically.
Described soft switch is NGN (Next Generation Network, next generation network) nucleus equipment, mainly finish functions such as calling out control, media gateway access control, resource allocation, protocol processes, route, authentication (authentication), charging, and can provide basic speech business, mobile service, multimedia service and api interface to the user.
Described AS (Application Server, application server) logic of responsible various value-added services and intelligent network business produces and management, it is an independently assembly, the Softswitch of it and network control layer is irrelevant, thereby realized business and called out separating of control, helped the introducing of supplementary service.
In the present embodiment, the request INVITE of described transmission is special sip message, and wherein the FROM territory extends this as " AnonymousCard ", and Request-URI is access code+called number.Request-URI is 50200+13977770003,200 business on the access code 50200 corresponding A S, and invisible to the user for inner access code, 13977770003 is called number.
Described FROM territory has comprised request promoter's logic flag.In this embodiment, adopt special character string " AnonymousCard ", the agreement between client and AS, the soft switch three can adopt arbitrary string in the practical application.
Soft switch is can not handle not through the SIP client of registration REGISTER under the normal condition, and soft switch judges that according to " AnonymousCard " INVITE is special INVITE, does not need registration, and this message is passed through AS.
Described Request-URI is a SIP information, has indicated the address that this asks used user or service.In the present embodiment, Request-URI is card number service access code+called number.
The SIP INVITE that this example sends is as follows:
INVITE?sip：5020013977770003@10.18.200.50；user＝phone?SIP/2.0
Via：SIP/2.0/UDP?10.18.200.100：5061；branch＝z9hG4bK0a81de4ee
Call-ID：294fc131df273bf15998189d0a81de4e@10.18.200.100
From：<sip：AnonymousCard@10.18.6.112；user＝phone>；tag＝0a81de4e
To：<sip：5020013977770003@10.18.200.100；user＝phone>
CSeq：1INVITE
Contact：<sip：AnonymousCard@10.18.6.112；user＝phone>
Supported：100rel
Max-Forwards：70
Allow：
INVITE，ACK，CANCEL，OPTIONS，BYE，REGISTER，PRACK，INFO，UPDATE，SUBSCRIBE，NOTIFY，MESSAGE，REFER
B3.AS triggers corresponding business according to described access code, trigger pre-payment card number business in this example, business is discerned this INVITE according to AnonymousCard and is sent out by Web dialing control, but also do not pass through calling authorization, then send authenticator (nonce), algorithm (algorithm), territory (realm) to soft switch by 407Proxy Authentication Required (acting on behalf of authentication request) message, soft switch is transmitted above-mentioned information and is given the client control.Here, transparent transmission is only done in soft switch, information is not handled.
Described 407Proxy Authentication Required is a response message, has indicated that client should be at first by authentication.Specify the Digest authentication mode by the Proxy-Authenticate header field, and specify following parameter:
Nonce=" mHw1.037 " // authenticator random number is used for cryptographic algorithm
Algorithm=MD5//cryptographic algorithm, indication SIP client is encrypted according to this cryptographic algorithm, and MD5 is Message-Digest Algorithm5 (md5-challenge)
Realm=" example.com " // domain name claims, is used for the Client-Prompt user and inputs correct card number, password
The SIP407 that this example sends is as follows:
SIP/2.0407Proxy?Authentication?Required
Allow：INVITE，ACK，BYE，CANCEL，OPTIONS，REGISTER，SUBSCRIBE，
NOTIFY，PRACK，UPDATE，INFO
Call-ID：294fc131df273bf15998189d0a81de4e@10.18.200.100
Content-Length：0
CSeq：1INVITE
From：<sip：AnonymousCard@10.18.6.112；user＝phone>；tag＝0a81de4e
Organization：Example
Proxy-Authenticate： digest
nonce＝″mHw1.037″，algorithm＝MD5，realm＝″example.com″
Supported：100rel
To：
<sip：5020013977770003@10.18.200.100；user＝phone>；tag＝xeJS.1836Y.000nu1110.18.200.50
Via：SIP/2.0/UDP?10.18.200.100：5061；branch＝z9hG4bK0a81de4ee
B4. the client control is encrypted back (response) with card number, password and authenticator according to assignment algorithm, obtain the encrypted characters string, by INVITE information such as card number (username), authenticator, cryptographic algorithm, territory are sent to soft switch, soft switch is transmitted to AS again.
The following parameter of Proxy-Authenticate header field band of described INVITE:
Username=" 99999999999 " // user's card number
Realm=" example.com " // the same
Nonce=" mHw1.037 " is the same, but AS can not use this nonce.
Uri=" sip:5020013977770003@10.18.200.100:5060 " // prevent that Proxy from changing SIPRequst-URI.
response＝″3a1427fc8d73538d80b6e2b49fc9f4ad″，algorithm＝MD5
//SIP client, after card number+password, authenticator use md5 encryption algorithm for encryption, the encrypted characters string result of generation.
The SIP INVITE that this example sends is as follows:
INVITE?sip：5020013977770003@10.18.200.50；user＝phone?SIP/2.0
Via：SIP/2.0/UDP?10.18.200.100：5061；branch＝z9hG4bK6b443beb2
Call-ID：294fc131df273bf15998189d0a81de4e@10.18.200.100
From：<sip：AnonymousCard@10.18.6.112；user＝phone>；tag＝6b443beb
To：<sip：5020013977770003@10.18.200.100；user＝phone>
CSeq：2INVITE
Contact：<sip：AnonymousCard@10.18.6.112；user＝phone>
Supported：100rel
Proxy-Authorization：Digest?username＝″99999999999″，realm＝″example.com″，
nonce＝″mHw1.037″，uri＝″sip：5020013977770003@10.18.200.100：5060″，
response＝″3a1427fc8d73538d80b6e2b49fc9f4ad″，algorithm＝MD5
Max-Forwards：70
Allow：
INVITE，ACK，CANCEL，OPTIONS，BYE，REGISTER，PRACK，INFO，UPDATE，SUBSCRIBE，NOTIFY，MESSAGE，REFER
B5.AS is given to corresponding service processing with this message, professional according to send in the card number in the INVITE (being generally expressly), the previous step control authenticator, the password that in the AS database, inquires according to card number carry out cryptographic calculation after, obtain the encrypted characters string, compare with control encrypted characters string among the INVITE, identically think that then authentication passes through; Otherwise think that authentication do not pass through.
If B6. authentication is not passed through, AS returns 401 mistakes.
B7. after authentication is passed through, pre-payment card number business is peeled off Requst-URI (5020013977770003) and is peeled off access code (50200), the remaining called number (13977770003) that is, professional calculating in advance according to the current remaining sum of card number can the duration of call, initiate the INVITE called number then to soft switch, AS monitoring call conversation duration, after call duration arrived, AS is call release initiatively.
B8. soft switch is arrived described called number with call proceeding, and calling number is provided with by AS, behind called terminal ringing, the extracts, sets up and calls out connection, and caller (client control) and called the beginning are conversed.
B9. caller or Called Onhook, calling is finished.
Please refer to Fig. 4, be system schematic of the present invention, comprise client control module 100, Softswitch 200 and application server 300:
Described client control module 100 is used for sending a request message to described application server 300, and return the response message that comprises authorization information according to described application server 300, carry out cryptographic calculation and obtain the encrypted characters string, and will comprise that the request message of described encrypted characters string sends to described application server 300;
Described application server 300 is used for returning the response message that comprises authorization information to described client control module 100, and described character string is carried out authentication.
Described Softswitch 200 is used for mutual information between described client control module 100 of transparent transmission and the described application server 300.
Described client control module 100 sends first request (INVITE) information to Softswitch 200, and Softswitch 200 is transmitted to described application server 300 with described information.After application server 300 received this solicited message, 407 (the acting on behalf of authentication request) information that sends was given Softswitch 200, and Softswitch 200 is transmitted described information and given described client control module 100.Client control module 100 is after receiving this 407 (acting on behalf of authentication request) information, and second solicited message that transmission comprises authentication information is to Softswitch 200, and Softswitch 200 is transmitted described information and given described application server 300.300 pairs of described authentication informations of application server carry out authentication, if by authentication, return 200 by information, otherwise, return 401 error messages.
More than use the method and system of SIP authentication to be described in detail to card number service provided by the present invention, used specific case herein principle of the present invention and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention; Simultaneously, for one of ordinary skill in the art, according to thought of the present invention, the part that all can change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. the method for a card number service authentication is applied in the calling procedure that uses conversation initialized protocol, it is characterized in that, comprising:
Application server returns response message to described client after receiving first request message that sends from client, carries authorization information in the described response message;
Described client obtains authentication information according to the authorization information that receives in the described response message, and sends second request message to described application server, carries described authentication information in described second request message;
Application server carries out authentication to described authentication information.
2. method according to claim 1 is characterized in that described authorization information comprises authenticator and cryptographic algorithm;
Described client was carried out cryptographic calculation according to user's card number, user cipher and described authenticator before sending second request message, obtain to comprise the authentication information of encrypted characters string.
3. method according to claim 2 is characterized in that, described application server carries out authentication and comprises:
Described application server is inquired about the password of this user's card number in database according to described user's card number, carries out cryptographic calculation according to described user's card number, the described password that inquires and described authenticator, obtains the encrypted characters string;
Described application server compares the encrypted characters string that this encrypted characters string and described application server receive, if identical, authentication is passed through, otherwise authentication is not passed through.
4. method according to claim 3 is characterized in that, described client sends first request message and further comprises called number;
Described application server sends described called number to soft switch after authentication is passed through, soft switch is arrived described called number with call proceeding.
5. method according to claim 4 is characterized in that, before setting up the calling connection, application server is calculated the duration of call in advance according to user's card number remaining sum;
After setting up the calling connection, application server is called out by described duration of call monitoring, when the duration of call arrives, and call release.
6. according to one of them described method of claim 1～5, it is characterized in that information mutual between described client and the application server is by the soft switch transparent transmission.
7. according to one of them described method of claim 1～5, it is characterized in that described encrypted characters string carries out cryptographic calculation according to message digest algorithm MD5 and obtains.
8. the method based on the card number service authentication of the Internet use Session initiation protocol SIP is characterized in that, comprising:
The client control sends first request message to soft switch, and described first request message of soft switch transparent transmission is given application server;
Application server returns and comprises the response message of acting on behalf of authentication request information to soft switch, and the described response message of soft switch transparent transmission is given described client control, and the described authentication request information of acting on behalf of comprises cryptographic algorithm;
Described client control carries out cryptographic calculation according to described cryptographic algorithm, obtains the encrypted characters string, sends second request message to soft switch, and described second request message comprises the encrypted characters string, and described second request message of soft switch transparent transmission is given described application server;
Described application server carries out authentication to described encrypted characters string.
9. a system that uses the card number service authentication of conversation initialized protocol is characterized in that, comprises client control module and application server:
Described client control module is used for sending a request message to described application server, and return the response message that comprises authorization information according to described application server, carry out cryptographic calculation and obtain the encrypted characters string, and will comprise that the request message of described encrypted characters string sends to described application server;
Described application server is used for returning the response message that comprises authorization information to described client control module, and described character string is carried out authentication.
10. system according to claim 9 is characterized in that, also comprises Softswitch:
Described Softswitch is used for mutual information between described client control module of transparent transmission and the described application server.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100993005A CN1913432B (en) | 2006-07-27 | 2006-07-27 | Method and system of card number service using SIP authentication |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006100993005A CN1913432B (en) | 2006-07-27 | 2006-07-27 | Method and system of card number service using SIP authentication |
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| Publication Number | Publication Date |
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| CN1913432A true CN1913432A (en) | 2007-02-14 |
| CN1913432B CN1913432B (en) | 2010-10-06 |
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| CN2006100993005A Expired - Fee Related CN1913432B (en) | 2006-07-27 | 2006-07-27 | Method and system of card number service using SIP authentication |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2214353A1 (en) * | 2007-10-24 | 2010-08-04 | Lucent Technologies INC. | Method and apparatus for setting up session connection for the prepaid users |
| CN101640669B (en) * | 2008-07-29 | 2012-08-29 | 华为技术有限公司 | Method, system and device for SIP policy control authentication |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103139201B (en) * | 2013-01-22 | 2015-12-23 | 中兴通讯股份有限公司 | A kind of network strategy acquisition methods and data center switchboard |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100479452C (en) * | 2003-09-30 | 2009-04-15 | 华为技术有限公司 | Method for security transmission of card number information from IP terminal to soft switch |
| CN1658547B (en) * | 2004-02-16 | 2010-08-18 | 华为技术有限公司 | Crytographic keys distribution method |
| CN1716953B (en) * | 2004-06-28 | 2010-09-15 | 华为技术有限公司 | Method for identifying conversation initial protocol |
| CN101052056B (en) * | 2006-04-07 | 2010-05-12 | 华为技术有限公司 | Soft exchanging system and power identifying processing method for call business |
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2006
- 2006-07-27 CN CN2006100993005A patent/CN1913432B/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2214353A1 (en) * | 2007-10-24 | 2010-08-04 | Lucent Technologies INC. | Method and apparatus for setting up session connection for the prepaid users |
| CN101420494B (en) * | 2007-10-24 | 2012-11-21 | 朗讯科技公司 | Method and apparatus for establishing session connection for prepaid user |
| EP2214353B1 (en) * | 2007-10-24 | 2019-01-16 | Alcatel-Lucent USA Inc. | Method and apparatus for setting up session connection for the prepaid users |
| CN101640669B (en) * | 2008-07-29 | 2012-08-29 | 华为技术有限公司 | Method, system and device for SIP policy control authentication |
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| CN1913432B (en) | 2010-10-06 |
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