JP2015204090A - Method, device and program for establishing secure link between server and terminal by using telephone number - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a method for establishing a secure link between a server and a terminal by using a telephone number in order to transmit content only to a terminal owned by a specific user.SOLUTION: A server manages a certificate associated with each telephone number of a terminal. At first, the server creates a page address which can be accessed from the terminal in association with the telephone number of the terminal. Then, the server transmits a message including the page address as a link to the terminal by call connection based on the telephone number of the terminal. The terminal accesses the page of the page address in the server. When the page of the page address corresponding to the telephone number of the terminal which has transmitted the message is accessed from the terminal, the server establishes a secure layer by using the certificate corresponding to the telephone number between the server and the terminal.

Description

  The present invention relates to a technique for establishing a secure link between a server and a terminal. In particular, the present invention is applied to a service in which an introduction source user securely transmits content only to a specific introduction destination user. The content is, for example, a collection of URL (Uniform Resource locator) links.

  Conventionally, as a technique for establishing a secure link between a server and a terminal, there is typically SSL (Secure Socket Layer). SSL is positioned above the connection-type transport layer protocol and is wrapped in TCP (Transmission Control Protocol). Although it does not depend on the application layer protocol, it is basically used in HTTP (HyperText Transport Protocol).

  On the other hand, when the terminal is a smartphone or a mobile phone connected to the mobile phone network, the call connection telephone number identifies the user who owns the terminal. In particular, a telecommunications carrier or a service provider can specify the contract user by making a call to a smartphone with that telephone number.

  In addition, when introducing content between users, the introduction source user often sends an email including the URL of the content to the introduction destination user. In addition, when an introduction source user wants to notify a large number of URLs, a link collection (bookmark) in which these URLs are collected can be transmitted to the introduction destination user. The introduction destination user can access the introduced content at any time by registering the link collection.

  2. Description of the Related Art Conventionally, there is a technology that automatically presents a collection of links related to Web pages based on Web pages referenced by users searching for content (see, for example, Patent Document 1). According to this technology, it is possible to recommend to the user a collection of links linked to the periphery (topic top URL) of the Web page being referred to.

  There is also a technique for automatically creating a directory-type link collection page (see, for example, Patent Document 2). According to this technique, when a document file including a URL is acquired from an e-mail, a news group, a bulletin board, or the like, a document existing before and after the URL is extracted as an introduction sentence candidate of the URL by a specified number of sentences. Then, the text posted on the site specified by the URL is acquired. The introductory sentence candidate is compared with the text, and the introductory sentence candidate most similar to the text is specified as the introductory sentence. The introductory text is classified into categories, and is output as a directory-type link collection page as an HTML format file together with a URL.

  Furthermore, there is a technique for reducing the burden on the site manager required for maintaining the link collection (see, for example, Patent Document 3). According to this technique, when receiving a link information registration request from a terminal, the server determines whether automatic registration is possible based on a censored item registered in advance. If it is determined that automatic registration is not possible, the site operator terminal is requested for review, and the review result from the site administrator is received. The link information of the link information registration request determined to be registerable is additionally registered in the link collection.

JP 2001-092929 A JP 2003-016082 A JP 2003-256317 A

"Au Smart Pass", [online], [Search April 8, 2014], Internet <URL: http://pass.auone.jp/>

  In any of the technologies described in Patent Documents 1 to 3 described above, the introduction source user does not securely transmit the content as the link collection by specifying only the introduction destination user.

  Here, it is assumed that the introduction source user is an operator of a communication carrier and the introduction destination user is the contract user. As an operator, the content site to be transmitted to the contract user is, for example, an operation explanation site or a contract information site. The application distribution server provided by the telecommunications carrier also has different access needs depending on the contract of the service member (see Non-Patent Document 1, for example). Such content sites should not be open to the general public. It should only be disclosed to contract users who log in to the content site.

  Here, the inventors can the referral source user securely transmit the link collection to the referral destination user? I thought. If the link collection is used as content, can the server securely transmit to the terminal? I thought. Furthermore, for each introduction destination user who receives the link collection, it may be easier for the introduction destination user to access the desired content by collecting links introduced by many introduction source users. I thought.

  Accordingly, an object of the present invention is to provide a method, an apparatus, and a program for establishing a secure link between a server and a terminal in order to transmit content only to a terminal possessed by a specific user.

According to the present invention, in a method for establishing a secure layer between a server and a terminal,
The server manages certificates associated with each phone number of the terminal,
A first step in which the server creates a page address accessible from the terminal in association with the telephone number of the terminal;
A second step in which the server sends a message containing the page address as a link to the terminal via a call connection based on the telephone number of the terminal;
A third step in which the terminal accesses the page of the page address in the server;
When the server accesses the page of the page address corresponding to the telephone number of the terminal that transmitted the message from the terminal, the server uses the certificate corresponding to the telephone number to use the secure layer. And a fourth step of establishing

According to another embodiment of the method of the present invention,
When a push notification is received from the server, it further has a push notification device as a telephone facility that transmits the message to the terminal by a call connection via a telephone line,
For the second step,
The server sends a message to be sent to the terminal to the push notification device,
The push notification device sends a message to the terminal by a call connection based on the telephone number of the terminal,
The push notification device preferably returns a message transmission completion to the terminal to the server.

According to another embodiment of the method of the present invention,
For the first step, the page address created by the server is a one-time URL (Uniform Resource Locator),
Regarding the fourth step, it is also preferable that the server needs to access the page from the terminal within a predetermined time after the one-time URL is created.

According to another embodiment of the method of the present invention,
Regarding the fourth step, it is also preferable that the server transmits the page address of the page from which the certificate can be obtained to the terminal by a message via the Internet or by a call connection via a telephone line.

According to the present invention, there is provided a method for transferring content for a system having a content transmitting terminal, a server, and a content receiving terminal,
The content transmission terminal transmits the telephone number of the content reception terminal and the content to be transferred to the server,
The server establishes a secure layer with the content receiving terminal by the method according to any one of claims 1 to 4,
It is also preferable that the server transmits the content to the content receiving terminal via the secure layer.

According to the present invention, a method for introducing a page address for a system having a plurality of introduction source terminals, a server, and an introduction destination terminal,
Multiple referral terminals send the phone number of the referral destination terminal and one or more referral page addresses to the server,
The server creates a lower introduction page that includes the introduction page address as a link for each introduction source terminal for the introduction destination terminal.
The server creates a high-order introduction page that includes, as links, page addresses of a plurality of low-order introduction pages based on a plurality of introduction source terminals for the introduction destination terminal.
The server establishes a secure layer with the content receiving terminal by the method described above,
The server sends a high-level introduction page to the content receiving terminal via the secure layer,
The device accesses the page address of one of the lower introduction pages included in the upper introduction page,
The server sends the lower introduction page to the content receiving terminal via the secure layer,
It is also preferable that the terminal accesses the page address of any one introduction page included in the lower introduction page.

According to the present invention, in a server that establishes a secure layer with a terminal,
Certificate management means for managing a certificate associated with each phone number of the terminal;
A page address creating means for creating a page address accessible from the terminal in association with the telephone number of the terminal;
A push notification means for notifying a message including a page address as a link to the terminal by a call connection based on the telephone number of the terminal;
Page access receiving means for receiving access to the page of the page address from the terminal;
When the page of the page address corresponding to the telephone number of the terminal that sent the message is accessed from the terminal, a secure layer is established with the terminal using a certificate corresponding to the telephone number And secure layer establishment means.

According to another embodiment of the server of the present invention,
Content receiving means for receiving the telephone number of the content receiving terminal and the content to be transferred from the content transmitting terminal;
It is also preferable to further include content transmission means for transmitting content to the content receiving terminal via the secure layer.

According to another embodiment of the server of the present invention,
An introduction page address receiving means for receiving a telephone number of an introduction destination terminal and one or more introduction page addresses from a plurality of introduction source terminals;
For the introduction destination terminal, for each introduction source terminal, a lower introduction page creation means for creating a lower introduction page including an introduction page address as a link;
An upper introduction page creating means for creating an upper introduction page including page addresses of a plurality of lower introduction pages based on a plurality of introduction source terminals as links for the introduction destination terminal,
An upper introduction page transmitting means for transmitting the upper introduction page to the content receiving terminal via the secure layer;
Lower introduction page access receiving means for receiving access to the page address of any one of the lower introduction pages from the terminal,
It is also preferable to further include lower introduction page transmission means for transmitting the lower introduction page to the content receiving terminal via the secure layer.

According to the present invention, in a program for causing a computer mounted on a server to establish a secure layer with a terminal to function,
Certificate management means for managing a certificate associated with each phone number of the terminal;
A page address creating means for creating a page address accessible from the terminal in association with the telephone number of the terminal;
A push notification means for notifying a message including a page address as a link to the terminal by a call connection based on the telephone number of the terminal;
Page access receiving means for receiving access to the page of the page address from the terminal;
When the page of the page address corresponding to the telephone number of the terminal that sent the message is accessed from the terminal, a secure layer is established with the terminal using a certificate corresponding to the telephone number The computer is caused to function as a secure layer establishing means.

According to another embodiment of the program of the present invention,
Content receiving means for receiving the telephone number of the content receiving terminal and the content to be transferred from the content transmitting terminal;
It is also preferable to further cause the computer to function as content transmission means for transmitting content to the content receiving terminal via the secure layer.

According to another embodiment of the program of the present invention,
An introduction page address receiving means for receiving a telephone number of an introduction destination terminal and one or more introduction page addresses from a plurality of introduction source terminals;
For the introduction destination terminal, for each introduction source terminal, a lower introduction page creation means for creating a lower introduction page including an introduction page address as a link;
An upper introduction page creating means for creating an upper introduction page including page addresses of a plurality of lower introduction pages based on a plurality of introduction source terminals as links for the introduction destination terminal,
An upper introduction page transmitting means for transmitting the upper introduction page to the content receiving terminal via the secure layer;
Lower introduction page access receiving means for receiving access to the page address of any one of the lower introduction pages from the terminal,
The computer is further caused to function as a lower introduction page transmitting means for transmitting the lower introduction page to the content receiving terminal via the secure layer.

  According to the method, apparatus, and program of the present invention, a secure link can be established between a server and a terminal in order to transmit content only to a terminal possessed by a specific user.

It is a system configuration diagram in the present invention. It is a functional block diagram of the server in this invention. It is a sequence diagram in the present invention. It is a sequence diagram using a short message about S41 of FIG. It is a functional block diagram of the server which introduces a link collection via SSL. It is explanatory drawing showing a high-order introduction page and a low-order introduction page. It is a screen displayed on the display of a terminal of an introduction destination user.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

  FIG. 1 is a system configuration diagram according to the present invention.

  According to FIG. 1, the server 1 can establish a secure layer of SSL, for example, with the terminal 2 via the Internet, and can transmit content. The terminal 2 communicates with the server 1 by HTTP using a browser installed in advance. Further, when the terminal 2 receives content as a “link collection” in which a plurality of URLs (link addresses) are arranged from the server 1, the terminal 2 can access the page of each URL using the browser.

  The terminal 2 is at least a smartphone or a mobile phone having a call connection function like a mobile phone network (3G or LTE). Therefore, a unique telephone number is assigned to each terminal 2. On the other hand, the terminal 2 also has a data communication function such as a wireless LAN, WiMAX, and LTE in order to access the Internet.

  The server 1 manages an SSL “certificate” in association with each “phone number” of the terminal 2. The certificate may be appropriately created when necessary without always managing.

  Further, according to FIG. 1, a push notification device 4 is connected to an access network such as a cellular phone network. The push notification device 4 pushes the message to the terminal 2 in response to a message notification request from the server 1. The push notification device 4 transmits to the terminal 2 a short mail in a call connection of a mobile phone system such as SMS (Short Message Service).

  Further, according to FIG. 1, the terminal 4 of the introduction source user transmits the content to the server 1, and the server 1 can transfer the content to the terminal 2 of the introduction destination user via SSL. For example, the referral source user transmits to the server 1 a collection of links (for example, the URL of the page site based on the user contract information) that the referral user wants to notify only. The server 1 transfers the link collection to the terminal 2 of the introduction destination user via SSL. The introduction destination user can access the page of a desired URL via the Internet by referring to the link collection.

  FIG. 2 is a functional configuration diagram of the server in the present invention.

  2, the certificate management unit 100, the page address creation unit 101, the push notification unit 102, the page access reception unit 103, the secure layer establishment unit 104, the content reception unit 111, the content And a transmission unit 112. These functional components are realized by executing a program that causes a computer mounted on the server to function. The processing flow of these functional components can also be understood as a secure link establishment method.

  FIG. 3 is a sequence diagram in the present invention. In the following, each functional component of FIG. 2 will be described with reference to the sequence diagram of FIG.

[Certificate management unit 100]
(S1) The certificate management unit 100 of the server 1 manages a certificate associated with each terminal telephone number. The certificate management unit 100 is referred to by the secure layer establishment unit 104. The “certificate” is a public key certificate in SSL, and is used for server authentication as viewed from the terminal.

[Page Address Creation Unit 101]
(S21) The page address creating unit 101 of the server 1 creates a page address accessible from the terminal 2 in association with the telephone number of the terminal 2. The page address created here is a temporarily available one-time URL. The page corresponding to this page address accepts temporary access from the terminal 2 and leads to the certificate download site. Specifically, for example, the following page address is created.
Phone number: 08011111111
One-time URL: http: //www.08011111111.html
A page to be accessed is generated only from the terminal 2 based on the telephone number. This may be a page generated by copying an entity from a simple template.

[Push notification unit 102]
(S22) The push notification unit 102 of the server 1 notifies the terminal 2 of a message including the page address as a link through a call connection based on the telephone number of the terminal 2. Specifically, a “message notification request” instructing that a short message including a one-time URL should be transmitted to the telephone number 08011111111 is transmitted to the push notification device 3.
(S23) Upon receiving the message notification request, the push notification device 3 calls the telephone number 08011111111. The terminal 2 receives the call, and the call connection is completed between the push notification device 3 and the terminal 2. Then, the push notification device 3 transmits the short message received from the server 1 to the terminal 2 and disconnects the call.
(S24) Thereafter, the push notification device 3 returns a transmission completion of the short message to the server 1.

[Page access receiver 103]
(S31) The terminal 2 clearly indicates the URL included in the short message to the user.
http: //www.08011111111.html
Here, when the user selects (clicks) the URL, the terminal 2 transmits an HTTP GET Request (page acquisition request) to the server 1. The page access receiving unit 103 of the server 1 receives access to the page from the terminal 2.

  Here, the page access receiving unit 103 of the server 1 is conditioned on the fact that the page is accessed from the terminal 2 within a predetermined time (for example, within 3 minutes) after the one-time URL is created. Therefore, when the predetermined time has elapsed, the page access receiving unit 103 rejects access from the terminal 2.

[Secure layer establishment unit 104]
(S32) When the secure layer establishment unit 104 of the server 1 accesses the page of the page address corresponding to the telephone number of the terminal 2 from the terminal 2, the secure layer establishment unit 104 communicates with the terminal 2 in the previous stage of SSL Run the sequence. According to FIG. 3, after Hello is exchanged between the server 1 and the terminal 2, the terminal 2 transmits to the server 1 a message that the certificate is not held (no_certificate).

(S41) On the other hand, the secure layer establishment unit 104 of the server 1 transmits 302 Moved including the URL to the terminal 2 in order to guide to the certificate download site. This URL is an address of a page from which the certificate can be acquired.
http: //www.08011111111.cert
(S42) In response to a user operation, the terminal 2 transmits an HTTP GET Request to the URL of the certificate download site.
(S43) On the other hand, the server 1 transmits a certificate based on the telephone number of the terminal 2 to the terminal 2 using 200OK.
(S44) The terminal 2 installs the certificate received from the server 1.
(S45) Then, the terminal 2 transmits an HTTP GET Request to the URL specified by the certificate.
https://www.cs1.com/a.html
(S46) On the other hand, the server 1 establishes SSL with the terminal 2 by executing a sequence subsequent to SSL. The data packet is encrypted with a common key via SSL, and tampering is detected by a hash function.
(S47) Then, the server 1 transmits the content to the terminal 2 by 200OK. Thereby, the terminal 2 can receive the content from the server 1 via SSL.

[Content receiver 111]
The content receiving unit 111 receives from the content transmitting terminal 4 the telephone number of the content receiving terminal and the content to be transferred. The content is temporarily buffered until a secure layer is established.

[Content transmission unit 112]
The content transmission unit 112 transmits the content received by the content reception unit 111 to the content reception terminal via the established secure layer.

  FIG. 4 is a sequence diagram using a short message for S41 of FIG.

The server 1 notifies the terminal 2 of a 302 Moved message including the URL of the certificate download site through a call connection based on the telephone number of the terminal 2. Specifically, a “message notification request” is transmitted to the telephone number 08011111111 to the push notification device 3.
Phone number: 08011111111
URL: http: //www.08011111111.cert
The push notification device 3 that has received the message notification request calls the telephone number 08011111111. The terminal 2 receives the call, and the call connection is completed between the push notification device 3 and the terminal 2. Then, the push notification device 3 transmits the short message received from the server 1 to the terminal 2 and disconnects the call.
Thereafter, the push notification device 3 returns a transmission completion of the short message to the server 1.

  FIG. 5 is a functional configuration diagram of a server that introduces a link collection via SSL.

  For example, it is assumed that an introduction source user wants to introduce an introduction destination user to a desired page site. There may be a plurality of introduction source users for one introduction destination user. In such a case, it is preferable that the server 1 collects links of introduction pages for one introduction destination user as much as possible. According to FIG. 5, the server 1 is different from FIG. 2 in that the page accumulation unit 120, the introduction page address reception unit 121, the lower introduction page creation unit 122, the upper introduction page creation unit 123, and the upper introduction page. It further includes a transmission unit 124, a lower introduction page access reception unit 125, and a lower introduction page transmission unit 126.

FIG. 6 is an explanatory diagram showing the upper introduction page and the lower introduction page.
FIG. 7 shows a screen displayed on the display of the terminal of the introduction destination user.
Below, each function component of FIG. 5 is demonstrated, referring FIG.6 and FIG.7.

[Introduction page address receiver 121]
The introduction page address receiving unit 121 receives the telephone number of the introduction destination terminal 2 and one or more introduction page addresses from the plurality of introduction source terminals 4. The received introduction page address is output to the lower introduction page creation unit 122. This address is a link of a page that the introduction source user wants to introduce to the introduction destination user. Specifically, the introduction source user may register the following information in the server 1 using the browser of his / her terminal 4.
Referrer user identifier: A
Referee user identifier and phone number: D, 08011111111
Link URL: http://www.A.com/A1.html
Other information (content name, introduction text, access deadline, placement rules)
The arrangement rule is an arrangement for creating a collection of links, for example, in order of registration time or order of number of accesses.
Here, when the introduction source user is a telecommunications carrier and the introduction destination user is the contract customer, the content (site page) to be introduced is, for example, a smartphone manual.

[Lower level introduction page creation unit 122]
The lower introduction page creation unit 122 creates a lower introduction page including an introduction page address as a link for each introduction source terminal 4 for the introduction destination terminal 2. The generated lower introduction page is accumulated in the page accumulation unit 120 and output to the upper introduction page creation unit 123. According to FIG. 6, the introduction source user A gathers a plurality of addresses to be introduced to the introduction destination user D on one lower introduction page.
Address [http: //www.08011111111.html? Id = A]
<body>
<a href= http://www.A.com/A1.html?id=kddi-labs> A1 </a>
<a href= http://www.A.com/A2.html?id=kddi-labs> A2 </a>
<a href= http://www.A.com/A3.html?id=kddi-labs> A3 </a>
</ body>
The address of the lower introduction page is created based on the telephone number of the introduction destination user D and the identifier A of the introduction source user.

[High-level introduction page creation unit 123]
The upper introduction page creation unit 123 refers to the page storage unit 120 and creates an upper introduction page including page addresses of a plurality of lower introduction pages based on a plurality of introduction source terminals as links with respect to the introduction destination terminal. According to FIG. 6, the lower introduction pages of a plurality of introduction users A, B, and C are combined into one upper introduction page.
Address [http: //www.08011111111.html]
<body>
<a href= http://www.08011111111.html?id=A> A </a>
<a href= http://www.08011111111.html?id=B> B </a>
<a href= http://www.08011111111.html?id=C> C </a>
</ body>
The address of the upper introduction page is created based on the telephone number of the introduction destination user D.

[Upper Introduction Page Transmitter 124]
The upper introduction page transmission unit 124 transmits the upper introduction page to the introduction destination terminal 2 via the secure layer. The introduction destination terminal 2 that has received the upper introduction page displays a screen as shown in FIG. 7A on the display. Here, an icon is displayed for each introduction source user, and the introduction destination user can click any one of the icons. According to FIG. 7A, [http: //www.08011111111.html? Id = A] is selected.

[Lower level introduction page access receiver 125]
The lower introduction page access receiving unit 125 receives an access to the page address of any one lower introduction page of the upper introduction pages from the introduction destination terminal 2. The page address is output to the lower introduction page transmission unit 126.

[Lower level introduction page transmission unit 126]
The lower introduction page transmission unit 126 refers to the page storage unit 120 and transmits the lower introduction page to the content receiving terminal via the secure layer. Upon receiving the lower introduction page, the introduction destination terminal 2 displays a screen as shown in FIG. 7B on the display.
The introduction destination terminal 2 accesses the page address of any one of the lower introduction pages. According to FIG. 7B, [http://www.A.com/A3.html] is selected.

  Thus, by automatically generating a link collection of contents that the introduction source user wants to introduce, the introduction destination user can easily access the contents. In addition, by automatically generating a collection of links from page addresses of a plurality of introduction source users, the workload of the introduction source administrator is reduced.

  As described above in detail, according to the method, apparatus and program of the present invention, in order to transmit content only to a terminal possessed by a specific user, a secure link is established between the server and the terminal using a telephone number. Can be established.

  Various changes, modifications, and omissions of the above-described various embodiments of the present invention can be easily made by those skilled in the art. The above description is merely an example, and is not intended to be restrictive. The invention is limited only as defined in the following claims and the equivalents thereto.

1 page site server 100 certificate management unit 101 page address creation unit 102 push notification unit 103 page access reception unit 104 secure layer establishment unit 111 content reception unit 112 content transmission unit 120 page storage unit 121 introduction page address reception unit 122 subordinate introduction page Creation unit 123 Upper introduction page creation unit 124 Upper introduction page transmission unit 125 Lower introduction page access reception unit 126 Lower introduction page transmission unit 2 Terminal 3 Push notification device 4 Terminal

Claims (12)

In a method for establishing a secure layer between a server and a terminal,
The server manages a certificate associated with each phone number of the terminal,
A first step in which the server creates a page address accessible from the terminal in association with the telephone number of the terminal;
A second step in which the server sends a message including the page address as a link to the terminal by a call connection based on the telephone number of the terminal;
A third step in which the terminal accesses the page at the page address in the server;
When the server accesses the page of the page address corresponding to the telephone number of the terminal that transmitted the message from the terminal, the server uses a certificate corresponding to the telephone number. And a fourth step of establishing a secure layer. When a push notification from the server is received, the message is transmitted to the terminal by a call connection via a telephone line, and further includes a push notification device as a telephone facility,
For the second step,
The server sends a message to be sent to the terminal to the push notification device;
The push notification device transmits the message to the terminal by a call connection based on the telephone number of the terminal,
The method according to claim 1, wherein the push notification device returns a completion of transmission of the message to the terminal to the server. For the first step, the page address created by the server is a one-time URL (Uniform Resource Locator),
The fourth step according to claim 1, wherein the server is required to access the page from the terminal within a predetermined time after the one-time URL is created. Method. For the fourth step, the server transmits a page address of a page from which the certificate can be obtained to the terminal by a message via the Internet or by a call connection via a telephone line. The method according to any one of claims 1 to 3. A method of transferring content for a system having a content transmission terminal, a server, and a content reception terminal,
The content transmitting terminal transmits the telephone number of the content receiving terminal and the content to be transferred to the server,
The server establishes a secure layer with the content receiving terminal by the method according to any one of claims 1 to 4,
The method, wherein the server transmits the content to the content receiving terminal via the secure layer. A method of introducing a page address for a system having a plurality of introduction source terminals, servers, and introduction destination terminals,
A plurality of introduction source terminals transmit the telephone number of the introduction destination terminal and one or more introduction page addresses to the server,
The server creates a lower introduction page including the introduction page address as a link for each introduction source terminal for the introduction destination terminal,
The server creates, for the introduction destination terminal, an upper introduction page including page addresses of a plurality of lower introduction pages based on a plurality of introduction source terminals as links,
The server establishes a secure layer with the content receiving terminal by the method according to any one of claims 1 to 4,
The server transmits the upper introduction page to the content receiving terminal via the secure layer,
The terminal accesses a page address of any one lower introduction page included in the upper introduction page,
The server transmits the lower introduction page to the content receiving terminal via the secure layer,
The method, wherein the terminal accesses a page address of any one introduction page included in the lower introduction page. In the server that establishes a secure layer with the terminal,
Certificate management means for managing a certificate associated with each phone number of the terminal;
A page address creating means for creating a page address accessible from the terminal in association with the telephone number of the terminal;
A push notification means for notifying the terminal of a message including the page address as a link by a call connection based on the telephone number of the terminal;
Page access receiving means for receiving access to the page at the page address from the terminal;
When the page of the page address corresponding to the telephone number of the terminal that sent the message is accessed from the terminal, a secure layer is established with the terminal using a certificate corresponding to the telephone number And a secure layer establishing means. Content receiving means for receiving the telephone number of the content receiving terminal and the content to be transferred from the content transmitting terminal;
The server according to claim 7, further comprising: content transmission means for transmitting the content to the content receiving terminal via the secure layer. An introduction page address receiving means for receiving a telephone number of an introduction destination terminal and one or more introduction page addresses from a plurality of introduction source terminals;
For the introduction destination terminal, for each introduction source terminal, a lower introduction page creating means for creating a lower introduction page including the introduction page address as a link;
An upper introduction page creating means for creating an upper introduction page including page addresses of a plurality of lower introduction pages based on a plurality of introduction source terminals as links for the introduction destination terminal,
An upper introduction page transmitting means for transmitting the upper introduction page to the content receiving terminal via the secure layer;
Lower introduction page access receiving means for receiving access to the page address of any one lower introduction page of the upper introduction page from the terminal;
8. The server according to claim 7, further comprising lower introduction page transmission means for transmitting the lower introduction page to the content receiving terminal via the secure layer. In a program that allows a computer mounted on a server to establish a secure layer with a terminal to function,
Certificate management means for managing a certificate associated with each phone number of the terminal;
A page address creating means for creating a page address accessible from the terminal in association with the telephone number of the terminal;
A push notification means for notifying the terminal of a message including the page address as a link by a call connection based on the telephone number of the terminal;
Page access receiving means for receiving access to the page at the page address from the terminal;
When the page of the page address corresponding to the telephone number of the terminal that sent the message is accessed from the terminal, a secure layer is established with the terminal using a certificate corresponding to the telephone number A server program characterized by causing a computer to function as a secure layer establishing means. Content receiving means for receiving the telephone number of the content receiving terminal and the content to be transferred from the content transmitting terminal;
The server program according to claim 10, further causing a computer to function as a content transmission unit that transmits the content to the content receiving terminal via the secure layer. An introduction page address receiving means for receiving a telephone number of an introduction destination terminal and one or more introduction page addresses from a plurality of introduction source terminals;
For the introduction destination terminal, for each introduction source terminal, a lower introduction page creating means for creating a lower introduction page including the introduction page address as a link;
An upper introduction page creating means for creating an upper introduction page including page addresses of a plurality of lower introduction pages based on a plurality of introduction source terminals as links for the introduction destination terminal,
An upper introduction page transmitting means for transmitting the upper introduction page to the content receiving terminal via the secure layer;
Lower introduction page access receiving means for receiving access to the page address of any one lower introduction page of the upper introduction page from the terminal;
11. The server program according to claim 10, further causing a computer to function as lower introduction page transmission means for transmitting the lower introduction page to the content receiving terminal via the secure layer.

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