JP2003030157A - Method/apparatus for providing information, program for the method, and recording medium with the program for the method recorded thereon - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide contents while securing reliability sufficiently with simple arrangement by applying a content providing method, a program for the method and a content providing apparatus when providing music contents, e.g. to a user. SOLUTION: The method performs user identification by using the authentication mechanism of a portable terminal 26 connected to a playback device 23.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a content providing method, a program of the content providing method, and a content providing apparatus, and can be applied to, for example, providing a music content to a user. INDUSTRIAL APPLICABILITY The present invention enables content to be provided while ensuring sufficient reliability with a simple configuration by performing user authentication using an authentication mechanism of a mobile terminal connected to a playback device.

[0002]

2. Description of the Related Art Conventionally, in providing various contents such as images, it is determined by user authentication whether or not a user desiring to provide the content is a legitimate user.

That is, FIG. 14 is a block diagram showing a satellite broadcasting system which is one of the content providing systems of this type. The satellite broadcasting system 1 is a set top box (STB) 3 for satellite broadcasting waves transmitted from the broadcasting satellite 2.
To receive the video content.

The satellite broadcasting system 1 thus encrypts the content sent from the broadcasting satellite 2 with a predetermined encryption key and sends it, and changes this encryption key at a predetermined timing. In the satellite broadcasting system 1, a card 4 on which predetermined data is recorded is provided to a user according to a reception contract, and the set top box 3 accesses the authentication server 6 via a public line 5 such as a telephone line by mounting the card 4. The authentication server 6 using the data recorded on the card 4
By exchanging data with, you will be authenticated as a legitimate user. The set top box 3 receives the decryption key corresponding to the contracted program from the key distribution server 7 based on this authentication result, and decrypts the content using the decryption key. As a result, the satellite broadcasting system 1 is configured to provide the contracted content in a usable manner only to the authorized contractor.

On the other hand, FIG. 15 is a block diagram showing an example of another personal authentication system. The personal authentication system 11 accepts an input of an ID and a password by a terminal device 12, or an input of a fingerprint or the like, and transmits the information to the authentication server 14 via the network 13. As a result, the personal authentication system 11 becomes the authentication server 1
4. Individually authenticate with 4 and license server 15 according to the authentication result.
Provides various services. In such an authentication system 11, the authentication server 14 and the license server 15 may be integrated.

[0006]

In the structure of the satellite broadcasting system 1, however, there is a problem that a special structure necessary for authentication of a card or the like is required, and the whole structure becomes complicated accordingly. Further, it is necessary to provide the authentication server 6 and the key distribution server 7 in order to authenticate the user and issue the key.
This also causes a problem that the configuration becomes complicated.

On the other hand, in the personal authentication system 11 as described above with reference to FIG. 15, the terminal device 12 has to acquire the personal information necessary for the authentication such as the ID and the password, so that the Tamper-Resistan is provided. Therefore, there is a problem that the configuration becomes complicated accordingly. Further, since such personal information remains in the terminal device 12, a configuration for preventing such unauthorized use of personal information is required, which also complicates the configuration.

The present invention has been made in consideration of the above points, and a content providing method, a program of the content providing method, and a content providing apparatus capable of providing the content with sufficient reliability by a simple structure. Is to propose.

[0009]

In order to solve such a problem, the invention of claim 1 is applied to an information providing method for providing information for decrypting content encryption,
A connection step for connecting to a mobile terminal that is set to exchange data with a playback device that holds encrypted content, an authentication step for performing authentication processing with the mobile terminal, and the result of the authentication in the authentication step. Based on the above, there is a providing step of providing the portable terminal with information necessary for decryption of the content in the reproducing apparatus.

According to the invention of claim 7, the invention can be applied to an information providing device for providing information for decrypting the content, and data can be exchanged with a reproducing device holding the encrypted content. Based on the result of the authentication by the connection means for connecting to the mobile terminal set in step 2, the authentication processing between the mobile terminal and the authentication means, the information necessary for decrypting the content in the playback device. And providing means for providing the mobile terminal to the mobile terminal.

According to the present invention of claim 8, the encrypted content is applied to a program of an information providing method for causing an information processing system to execute a process of providing information for decrypting the content. Based on the connection step of connecting to the portable terminal set to be capable of exchanging data with the retained reproduction apparatus, the authentication step of performing authentication processing with the portable terminal, and the result of the authentication in the authentication step, the reproduction apparatus In the step of providing the information necessary for decrypting the content to the mobile terminal.

According to the invention of claim 9, the information processing system is applied to a recording medium recording a program of an information providing method for executing a process of providing information for decrypting content, The program of the providing method includes a connection step of connecting to a mobile terminal that is set to be capable of exchanging data with a playback device that holds encrypted content, an authentication step of performing an authentication process with the mobile terminal, Based on the result of the authentication in the authentication step, there is a providing step of providing the portable terminal with the information necessary for decrypting the content in the playback device.

According to the invention of claim 10, the first connection step is applied to the information providing method for providing the information for decrypting the content, and connecting with the reproducing apparatus holding the encrypted content. A first authentication step of performing authentication processing with the playback device, a first reception step of receiving information specifying content to be decrypted from the playback device, and information for decrypting the content. The second connection step of connecting to the providing apparatus, the second authentication step of performing authentication processing with the providing apparatus, and the content encryption from the providing apparatus to the reproducing apparatus based on the result of the authentication in the second authentication step. The second receiving step of receiving the information necessary for releasing the encrypted content, and the decryption of the encrypted content based on the information received from the providing device. That information, to have a providing step of providing the playback apparatus.

According to the fourteenth aspect of the invention, the invention is applied to an information providing apparatus for providing information for decrypting the content, and a reproducing apparatus for retaining the encrypted content and the content for decrypting the content are decrypted. The connection means for connecting to the providing device that provides the information, and the authenticating means for performing the authenticating process between the reproducing device and the connecting device, and the content to be decrypted from the reproducing device. Receiving the information for specifying, receiving the information necessary for decrypting the content in the reproducing apparatus from the providing apparatus, and decrypting the encrypted content based on the information received from the providing apparatus. Control means for providing information to the playback device.

According to the fifteenth aspect of the present invention, the encrypted content is retained by being applied to a program of an information providing method for causing a mobile terminal to execute a process of providing information for decrypting the content. A first connection step of connecting to the playback device, a first authentication step of performing an authentication process with the playback device, and a first reception step of receiving information specifying the content to be decrypted from the playback device. Based on the second connection step of connecting to the providing device that provides the information for decrypting the content, the second authentication step of performing an authentication process with the providing device, and the result of the authentication in the second authentication step, A second receiving step of receiving information necessary for decrypting the content from the providing device in the reproducing device, and based on the information received from the providing device , Information to decrypt the encrypted content, to have a providing step of providing the playback apparatus.

According to the sixteenth aspect of the present invention, the information providing method is applied to a recording medium having a program of an information providing method for causing a portable terminal to execute a process of providing information for decrypting content. The program of the method includes a first connecting step of connecting to a playback device holding encrypted content, a first authentication step of performing an authentication process with the playback device, and a content to be decrypted from the playback device. A first receiving step of receiving the identifying information, a second connecting step of connecting with a providing apparatus that provides information for decrypting the content, and a second authenticating step of performing an authentication process with the providing apparatus, Based on the result of the authentication in the second authentication step, a second receiving unit that receives information necessary for decrypting the content from the providing apparatus in the reproducing apparatus. A method, based on the information received from the providing apparatus, information to decrypt the encrypted content, to have a providing step of providing the playback apparatus.

According to the invention of claim 17, the first connection step is applied to the information providing method for providing the information for decrypting the content, and connecting with the reproducing apparatus holding the encrypted content. And a first receiving step of receiving information specifying the content to be decrypted from the playback device, and owning the information necessary for decrypting the content on its own based on the information specifying the content. A determination step for determining whether or not
If you have the information necessary to decrypt the content in yourself, and based on the information you have in yourself, provide the information to decrypt the encrypted content. A first providing step of providing the reproducing apparatus,
A second connecting step for connecting with a providing device that provides information necessary for decrypting the content when the information necessary for decrypting the content is not owned by the user; A second receiving step of receiving information necessary for decrypting the content from the device in the reproducing device; and based on the information received from the providing device,
A second providing step of providing the reproducing apparatus with information for decrypting the encrypted content.

According to the nineteenth aspect of the invention, the invention is applied to an information providing device that provides information for decrypting the content, and a reproducing device that holds the encrypted content and the decryption of the content are decrypted. Receiving the information specifying the content to be decrypted from the reproducing device and the connection means for connecting to the providing device that provides the information required to decrypt the content, and decrypting the content based on the information identifying the content If you own the information necessary to decrypt the content, determine whether you own the information necessary to do so, and own the information necessary to decrypt the content. If the player does not own the information necessary to decrypt the encrypted content, provide the playback device with the information to decrypt the encrypted content. In, receiving the information necessary for decrypting the content in the playback device from the providing device, based on the information received from the providing device, the information for decrypting the encrypted content, And a control means provided to the reproducing apparatus.

According to the twentieth aspect of the invention, the encrypted content is held by being applied to a program of an information providing method for causing a mobile terminal to execute a process of providing information for decrypting the content. A first connection step of connecting to the playback device, a first reception step of receiving information specifying the content to be decrypted from the playback device, and the decryption of the content based on the information specifying the content. If you own the information necessary to decrypt the content and the information necessary to decrypt the content, The first providing step of providing the reproducing apparatus with the information for decrypting the encrypted content and the decrypting of the content based on the information A second connection step of connecting to a providing device that provides the information necessary for decrypting the content if the information necessary for the content is not owned by itself; A second receiving step of receiving information necessary for releasing the decryption, and a second step of providing the reproducing apparatus with information for decrypting the encrypted content based on the information received from the providing apparatus. 2 providing step.

According to the invention of claim 21, the information providing method is applied to a recording medium having a program of an information providing method for causing a portable terminal to execute a process of providing information for decrypting content. The program of the method includes a first connecting step of connecting to a reproducing apparatus holding encrypted content, a first receiving step of receiving information specifying the content to be decrypted from the reproducing apparatus, and specifying the content. Based on the information, the judgment step for judging whether or not the information necessary for decrypting the content is possessed within the self, and the information necessary for decrypting the content within the self If you own the information for decrypting the encrypted content based on the information you own,
A first providing step of providing the reproducing apparatus, and providing information necessary for decrypting the content when the user does not own the information necessary for decrypting the content. A second connection step of connecting to the device, a second receiving step of receiving information necessary for decrypting the content in the reproducing device from the providing device, and encryption based on the information received from the providing device. And a second providing step of providing the reproducing apparatus with information for decrypting the encrypted content.

[0021] According to the invention of claim 22, in the information providing method for providing the information for decrypting the content, the encrypted content set to be data exchangeable with the user's mobile terminal. A first connecting step of connecting to the reproducing device holding the information, an acquiring step of acquiring information for identifying the portable terminal from the reproducing device, and a first connecting step of connecting to the portable terminal based on the information for identifying the portable terminal. 2 connection step, an authentication step of performing authentication processing between the mobile terminal, and a providing step of providing the mobile terminal with information necessary for decryption of the content in the playback device based on the result of the authentication in the authentication step. And have.

In the twenty-third aspect of the invention, the invention is applied to an information providing apparatus for providing information for decrypting content encryption, and data exchange is set between the user's mobile terminal and the mobile terminal. Connection means for connecting to the playback device holding the encrypted content, authentication means for performing authentication processing between the mobile terminal, and information for identifying the mobile terminal from the playback device, and the mobile terminal And a control means for accessing the mobile terminal based on the information for specifying, and for providing the mobile terminal with information necessary for decryption of the content in the playback device based on the result of the authentication by the authentication means. To

Further, in the invention of claim 24, the information processing system is applied to a program of an information providing method for executing a process of providing information for decrypting the content, and the information processing system is used as a portable terminal of a user. A first connection step of connecting to a playback device that holds encrypted content that is set to exchange data between devices, an acquisition step of obtaining information for identifying the mobile terminal from the playback device, and a mobile terminal identification A second connection step of connecting to the mobile terminal based on the information for performing the authentication, an authentication step of performing authentication processing with the mobile terminal, and encryption of the content in the playback device based on the result of the authentication in the authentication step. And a providing step of providing the mobile terminal with the information necessary for canceling.

According to the invention of claim 25, the information processing system is applied to a recording medium recording a program of an information providing method for executing a process of providing information for decrypting content, The program of the providing method includes a first connecting step of connecting to a reproducing device holding an encrypted content set to be capable of exchanging data with the user's portable terminal, and for specifying the portable terminal from the reproducing device. An acquisition step of acquiring information, a second connection step of connecting to the mobile terminal based on the information for identifying the mobile terminal, an authentication step of performing an authentication process with the mobile terminal, and an authentication step of the authentication step. And a providing step of providing the mobile terminal with information necessary for decrypting the content in the playback device based on the result. .

Further, in the invention of claim 26, the invention is applied to an information providing method for providing information for decrypting the content by using a portable terminal, and is connected to a reproducing apparatus which holds the encrypted content. Information for decrypting the content based on the first connection step for transmitting, the transmitting step for transmitting the information for specifying the portable terminal to the reproducing apparatus, and the information for transmitting the information for specifying the portable terminal transmitted to the reproducing apparatus. From the providing device based on the result of the authentication in the second connecting step of connecting to the providing device and the authenticating step of performing an authentication process with the providing device by receiving access from the providing device that provides the Based on the receiving step of receiving the information necessary for decrypting the content in the reproducing apparatus, and the information received from the providing apparatus, Information to decrypt reduction content, to have a providing step of providing the playback apparatus.

[0026] According to the invention of claim 27, the invention is applied to an information providing device for providing information for decrypting the content, and the reproducing device for holding the encrypted content and the decryption of the content are decrypted. Connection means for connecting to a providing device that provides the information to be provided, an authenticating means that performs an authentication process between the providing device, and a portable terminal that transmits information for identifying the portable terminal to the reproducing device and transmits the information to the reproducing device. Based on the information for identifying the content, the connection is made to the providing device by being accessed by the providing device that provides the information for decrypting the content, and the reproducing device is used by the reproducing device based on the result of the authentication by the authentication means. Receive the information required to decrypt the encrypted content, and decrypt the encrypted content based on the information received from the providing device. The information, to have a control means for providing the playback apparatus.

According to the invention of claim 28, the encrypted content is applied to a program of an information providing method for causing an information processing system to execute a process of providing information for decrypting the content. Based on the first connection step of connecting to the reproduction apparatus held therein, the transmission step of transmitting information for specifying the mobile terminal to the reproduction apparatus, and the information for specifying the mobile terminal transmitted to the reproduction apparatus, By receiving access from the providing device that provides the information for decryption, the second connecting step of connecting to the providing device, the authentication step of performing the authentication process with the providing device, and the result of the authentication in the authentication step are performed. Based on the receiving device, the receiving step of receiving information necessary for decrypting the content in the reproducing device from the providing device, and the providing device. Based on the information received from the information to decrypt the encrypted content, to have a providing step of providing the playback apparatus.

According to a twenty-ninth aspect of the present invention, the information processing system is applied to a recording medium recording a program of an information providing method for executing a process of providing information for decrypting content, and the information is applied to the information processing system. The program of the providing method includes a first connecting step of connecting to a reproducing device holding encrypted content, a transmitting step of transmitting information for identifying the portable terminal to the reproducing device, and a portable terminal transmitted to the reproducing device. The authentication process is performed between the providing device and the second connecting step of connecting to the providing device by receiving access from the providing device that provides the information for decrypting the content based on the information for identifying the content. Based on the authentication step to be performed and the result of the authentication in the authentication step, the content is decrypted from the providing apparatus to the reproducing apparatus. A receiving step of receiving the information required for, on the basis of the information received from the providing apparatus, information to decrypt the encrypted content, to have a providing step of providing the playback apparatus.

According to the structure of claim 1, it is necessary to connect to the portable terminal connected to the reproducing apparatus, perform the authentication processing by the authentication function of this portable terminal, and decrypt the content held by the reproducing apparatus. It is possible to provide an information providing method, which can provide a content with sufficient reliability by a simple configuration.

As a result, claims 7, 8 and 9 are obtained.
According to the configuration, the information providing device capable of providing the content with sufficient reliability by a simple configuration,
An information providing method program and a recording medium recording the information providing method program can be provided.

According to the structure of claim 10, after the connection to the reproducing apparatus and the authentication processing in the first authentication step, the information to be decrypted is acquired by the portable terminal, and the portable terminal is further provided to the providing apparatus. After the connection and the authentication process by the second authentication step, the information necessary for canceling the encryption is acquired, and the information necessary for canceling the encryption is provided from the portable terminal to the reproducing device. As a result, it is possible to provide information necessary for user authentication by using a mobile terminal and decryption, and by this, it is possible to provide sufficient reliability with a simple configuration to provide content. You can get the way.

Thus, according to the configurations of claims 14, 15, and 16, the information providing apparatus and the information providing method program capable of providing contents with sufficient reliability by a simple configuration. It is possible to provide a recording medium recording the program of the information providing method.

According to the structure of claim 17, after the connection to the reproducing apparatus and the authentication processing in the first authentication step, the information to be decrypted is acquired by the portable terminal, and the encryption corresponding to this decryption target is obtained. When the information necessary for canceling the conversion is held, the held information is provided to the playback device. On the other hand, when the information necessary for releasing the corresponding encryption is not held, this mobile terminal further connects to the providing device, performs the authentication process in the second authentication step, and then performs the encryption. Obtain the information necessary to cancel,
The information necessary for decrypting this encryption is provided to the playback device. As a result, it is possible to provide information necessary for user authentication by using a mobile terminal and decryption, and by this, it is possible to provide sufficient reliability with a simple configuration to provide content. You can get the way.

Thus, according to the configurations of claims 19, 20 and 21, a program of an information providing device and an information providing method capable of providing a content with sufficient reliability by a simple configuration. It is possible to provide a recording medium recording the program of the information providing method.

According to the structure of claim 22, after connecting to the reproducing device which is connected to the portable terminal for data exchange so as to obtain the information for specifying the portable terminal, the portable terminal is connected by this information. By authenticating with this mobile terminal and providing the mobile terminal with the information necessary for decrypting the content held by the playback device, the mobile terminal's authentication function can be effectively used. With such a configuration, it is possible to obtain the information providing method capable of providing the content with sufficient reliability.

According to the twenty-third, twenty-fourth and twenty-fifth configurations, the information providing apparatus and the information providing method program capable of providing contents with sufficient reliability by a simple configuration. It is possible to provide a recording medium recording the program of the information providing method.

According to the twenty-sixth aspect, after the providing device and the portable terminal are connected via the reproducing device, the authentication process is performed with the providing device, and the information necessary for the decryption in the reproducing device is obtained. Can be acquired by the mobile terminal and provided to the playback device, and thus the authentication function of the mobile terminal can be effectively used, whereby content can be provided with sufficient reliability by a simple configuration. It is possible to obtain a method of providing information that can be provided.

According to the twenty-seventh, twenty-eighth and twenty-ninth aspects, the information providing apparatus and the information providing method program capable of providing contents with sufficient reliability by a simple configuration. It is possible to provide a recording medium recording the program of the information providing method.

[0039]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below in detail with reference to the drawings as appropriate.

(1) First Embodiment (1-1) Configuration of the First Embodiment FIG. 1 is a block diagram showing a contents providing system according to the first embodiment of the present invention. In this content providing system 21, content encrypted by a personal computer (PC) 23 is provided by a content server 22 and a recording medium such as an optical disk. Content server 22
Provides the encrypted content by accessing the personal computer 23 or the like executed via the Internet 24.

In this embodiment, the content thus provided is set so that it can be decrypted with a predetermined content key, and the encrypted content key and content license are specified. It is provided together with a license ID, which is an identification code. The content key can be decrypted with the license key specified by the license ID.

The personal computer 23 is provided with an application program for reproducing these contents via the Internet, and the application program is stored in the hard disk by the user's operation.
The application program is recorded and stored in a recording medium such as a semiconductor memory, and further, this application program is executed according to a user's instruction.

That is, FIG. 2 is a block diagram showing the configuration of the personal computer 23. The personal computer 23 has an interface (I /
F) The hard disk device 6 is connected to the Internet via 61 and acquires this application program.
Record in 2. In the same manner, various contents, accompanying content keys, license IDs, etc. are acquired from the content server 22 and stored in the hard disk device 62.
Further, the personal computer 23 displays various display screens on the display device 63, and the interface (I / F) 64
When this application program is launched by the user by operating the mouse 65 detected via the user interface or by operating the keyboard 66 detected via the similar interface 64, the central processing that secures a work area in the memory 67 is performed. A series of processes by this application program is executed by the process of the unit (CPU) 68. In this process, the personal computer 23 uses the USB (Universal Serial Bu
s), IEEE (The Institute of Electrical and Ele
Various types of data are exchanged with the mobile phone 26 through an interface (I / F) 69 such as ctoronics Engineers, Inc.) 1394.

Accordingly, in the personal computer 23, when the user instructs the reproduction of the desired content by executing this application program, the central processing unit 68 controls the content key and license ID of the corresponding content from the hard disk device 62. get. Further personal computer 23
After performing a mutual authentication process on the external device (the mobile phone 26 in this embodiment) connected to the device via the interface 69, the license ID and the content key are transmitted to the external device. Receives decryption of the content key. The personal computer 23 decrypts the content desired by the previous user by using the decrypted content key, and provides the content to the user by an output device such as a built-in speaker or the display device 63. . In the personal computer 23, the application program for reproducing the content in this way does not hold the content key thus decrypted in the storage such as the hard disk device,
This is designed to protect the content against unauthorized attacks.

The mobile phone 26 is, for example, a PHS (Personal).
Handy phone System), which is capable of making a call with a desired call target through the cellular network 27, like a normal mobile phone of this type.
That is, FIG. 3 is a block diagram showing the configuration of the mobile phone 26. The mobile phone 26 is a central processing unit (CPU)
LCD (Liquid Crystal Display) 7 controlled by 71
Various display screens are displayed by driving 2. In addition, the mobile phone 26 responds to the operation of the key 73 by the central processing unit 7.
By controlling the operations of the transmission / reception data processing unit 74 and the RF processing unit 75 by means of 1, various data is transmitted / received to / from the base station via the antenna 76, thereby executing a series of line connection processing. Further, the voice signal obtained through the microphone 78 is transmitted to the call target, and the voice signal obtained from the call target is output from the speaker 79 so that the call target can be talked with. In addition to such call processing, various processing programs can be connected to the Internet and downloaded and stored in the memory 80, and further various data can be transmitted and received between the authentication server 28 and the license server 29. Has been done.

This mobile phone 26 is a USB (Universal
It has an external connection terminal by a serial bus, and this external terminal is connected to the personal computer 23 so that data can be exchanged with the personal computer 23 via the interface (I / F) 81 of this external terminal. ing. The mobile phone 26 is thus connected to the external device, and when a predetermined command is input from the external device, the mobile phone 26 stores in the memory 80 in response to the execution of the application program in the central processing unit 68 of the personal computer 23. The central processing unit 71 executes the corresponding processing program held therein to execute a series of processing procedures described below.

That is, when an external device is connected, the mobile phone 26 executes a connection process with this external device via the interface 81. Then, when the license key is requested from the external device, a predetermined authentication protocol is executed with the external device to authenticate each other, further user authentication is performed, and the subsequent processing procedure is executed depending on the authentication result. Provide the license key.

Here, FIG. 4 is a time chart showing a protocol for both-sides authentication of these authentication processes, and in this embodiment, both-sides authentication is performed by the 3WAY protocol. Note that PKI (Publ
ic Key Infrastructure) may be used. That is, in the mobile phone 26, when the connection is secured with the personal computer 23, the random number 1 transmitted from the personal computer 23 is received in step SP1, and the received random number 1 is received in step SP2.
Using a random number 2 generated by itself and a data for identifying itself, such as a MAC address (Media Access Contr
ol Address) to the personal computer 23. As a result, the mobile phone 26 is authenticated by the personal computer 23 using the MAC address. Further, in the subsequent step SP3, the MAC address of the personal computer 23 encrypted by the random number 2 is received, and the personal computer 23 is thereby authenticated.

When the mobile phone 26 authenticates both parties in this way, the mobile phone 26 accepts the input of a password previously set by the user, and authenticates the user by judging the password. In this embodiment, the password is represented by a 4-digit number. Thus, in this embodiment, the mobile phone 26 authenticates the user and the personal information of the user is stored in the personal computer 23.
Therefore, it is possible to simplify the configuration of the personal computer 23 accordingly. Also, by authenticating the user with the mobile phone 26, it is possible to effectively use the existing infrastructure and prevent access to unauthorized content by a third party due to the theft of the mobile phone 26 or the like. Thus, when the user authentication is properly completed in this way, the mobile phone 26 decrypts the content key and notifies the personal computer 23 of the decryption.

FIG. 5 is a flow chart showing a series of processing procedures by the mobile phone 26. Mobile phone 26
In response to a request from an external device such as the personal computer 23, the process moves from step SP10 to step SP11, where the connection process with the external device described above is executed, and then, in a subsequent step SP12, a series of authentication processes is executed. . Further, the mobile phone 26 determines in the subsequent step SP13 whether or not the authentication was successful, and if a negative result is obtained here, the mobile phone 26 proceeds to step SP14 and ends this processing procedure.

On the other hand, when a positive result is obtained in step SP13, the process proceeds to step SP15, in which the session key is generated by the encrypted data exchange with the personal computer 23, and in the subsequent data exchange. , And data is exchanged with the personal computer 23 after being encrypted with this session key.

After generating the session key, the mobile phone 26 proceeds to step SP16 and receives the license ID and the content key from the personal computer 23. In the subsequent step SP17, this license I
It is determined whether or not the license key corresponding to D is recorded in the built-in memory. If an affirmative result is obtained here, the mobile phone 26 moves to step SP18, and decrypts the content key with the corresponding license key. In the subsequent step SP19, the personal computer 23 is notified of the decrypted content key, and then the process proceeds to step SP14 to end this processing procedure.

On the other hand, if the corresponding license key is not held, the portable telephone 26 obtains a negative result in step SP17, and therefore moves from step SP17 to step SP20 to set the authentication server 28 and the license server 29. After obtaining the corresponding license key by the used license key obtaining process described later, step SP
Go to 18.

As a result, this content providing system 2
In No. 1, the personal computer 23, which is a content reproducing device, can collect the content without any limitation, and when reproducing the content thus collected, it cannot be correctly reproduced unless it is performed by a specific user who has a license. As a result, the copyright of the content is protected. In addition, by confirming the users who are allowed to play such contents by using the mobile phone which is a personal terminal carried by each user, the existing infrastructure can be effectively used and the system configuration can be simplified. It is done like this.

FIG. 6 is a flow chart showing the license key acquisition processing in the mobile phone 26. Upon starting this processing procedure, the mobile phone 26 starts step SP31.
Then, the process proceeds to step SP32 to execute line connection processing with the authentication server 28. Subsequently, the mobile phone 26 moves to step SP33 and executes an authentication process with the authentication server 28. Here, the authentication server 28 is a server having a function of authenticating the mobile phone 26, and in this embodiment, a server that manages calls of the mobile phone 26 in the cellular network 27 and executes processing such as charging is applied. It With this, the content providing system 21
Has made effective use of the existing infrastructure to simplify the system configuration.

When the authentication process is completed in this way,
The mobile phone 26 moves to step SP34 and, as shown in FIG. 7, the license server 29 obtains the license ID, the terminal ID specifying the mobile phone 26, and the like via the authentication server 28.
The license server 29 determines whether or not there is a license based on the license ID and the terminal ID.
In FIG. 7, processes corresponding to the process steps in FIG. 6 are designated by the same reference numerals.

Here, the license server 29 is a server that manages the contents provided by the contents providing system 21, and determines whether or not each content has a license.
Each user is managed based on the terminal ID.

As a result, in the mobile phone 26, the user obtains the license for the content specified by the license ID (that is the content to be reproduced by the personal computer 23) by the user's advance processing in step SP35. Is determined by the license server 29,
If it is determined that the license is held, step S
The process moves from P35 to step SP36, and the license key transmitted from the license server 29 is downloaded according to this determination result.

On the other hand, if the user has not obtained a license, the mobile phone 26 will go to step S
When a negative result is obtained in P35, step SP
35 to step SP37, the license server 2
By displaying various menus provided from 9 on the built-in display panel or via the personal computer 23 and notifying the license server 29 of the operation of the mobile phone 26 or the personal computer 23 corresponding to this display. If the user desires, the purchase procedure of the license key is executed, the license key sent from the license server 29 is downloaded in the subsequent step SP36 upon completion of the purchase procedure, and then the processing procedure is ended in step SP38. To do.

By this license key acquisition processing, the content providing system 21 can acquire the license key as necessary and can decrypt the content acquired in advance. The mobile phone 26
The license key thus obtained is recorded and held in the built-in memory together with the corresponding license ID.

FIG. 8 is a time chart showing a processing procedure of data exchange between the authentication server 28 and the license server 29. When the mobile phone 26 accesses the nearest base station (CS) 31, the base station 3
The access from the mobile phone 26 is notified from 1 to the authentication server 28, and the data exchange with the authentication server 28 by this notification causes the authentication server 28 to perform the terminal authentication process. As a result, in the mobile phone 26, the base station 31,
It is connected to the access point 33 of the license server 29 by the call control sequentially executed with the exchange 32.

Thereafter, the mobile phone 26 communicates with the access point 33 by PPP (Point to Point Protocol).
The processing of l) is executed, and data can be exchanged with the license server 29 via the access point 33. The mobile phone 26 continues to display the license ID (LI
D), the terminal ID, the telephone number, etc. are notified to the license server 29, and the mobile phone 26 is used by data exchange performed by transmitting and receiving the terminal ID, the telephone number, etc. between the license server 29 and the authentication server 28. About users
If the user can be properly authenticated, the corresponding license key is received as described above.

In the authentication server 28, the authentication processing of the mobile phone 26 in the normal line control,
In addition to the monitoring of the call by the authentication, the process of charging by the call, and the like, the process of the user authentication is executed by the inquiry from the license server 29 by the terminal ID and the telephone number. Further, the license server 29 issues a license key by the user authentication with the above-mentioned authentication server 28 by the access from the mobile phone 26, executes a process of purchasing a license, and issues the license key.
Further, a billing process associated with these processes is executed.

When the license server 29 is accessed by the mobile phone 26, the license server 29 performs authentication because the authentication process using the terminal ID and the telephone number is completed in the line connection process in the authentication server 28. It is also possible to omit the process of user authentication by notifying the server 28 of the terminal ID and the telephone number and use the process of user authentication at the time of line connection.

For this reason, FIG. 9 is a flowchart showing the processing procedure of the series of authentication server 28 and license server 29. In the processing of the authentication server 28 and the license server 29 related to the series of processing of the mobile phone 26 described above, the authentication server 2 is connected via a network or the like.
8. The corresponding control program provided to the license server 29 is realized by the arithmetic processing means built in the authentication server 28 and the license server 29, respectively. In addition, in FIG. 9, between the processing described above with reference to FIGS. 7 and 8,
Corresponding processes are designated by the same reference numerals, and duplicate description will be omitted.

FIG. 10 is a block diagram showing the configurations of the authentication server 28 and the license server 29. The authentication server 28 and the license server 29 are configured by a computer 92 that connects to a base station of the cellular network 27 via a firewall 90 and a router 91. The computer 92 is an interface (I / I).
The central processing unit (CPU) 94 acquires information from the cellular network 27 via F), and the central processing unit 94 executes the above-described processing procedure according to the recording in the hard disk device 95.

As a result, the authentication server 2 shown in FIG.
8. In the processing procedure of the license server 29, steps SP52 and SP54 include a mobile phone 26 which is a mobile terminal which is set to be capable of exchanging data with the personal computer 23 which is a reproducing device holding encrypted content. A connection step for connecting is configured, and steps SP53, SP55 to SP58 constitute an authentication step for performing authentication processing with the mobile terminal, and step SP5.
9 is configured to provide a providing step for providing the portable terminal with information necessary for decryption of the content in the reproducing device based on the result of the authentication in the authenticating step.

In this authentication step, step SP55 constitutes a step of receiving, from the portable terminal, the information for identifying the portable terminal and the information for identifying the content to be decrypted by the reproducing device, and step SP57.
Determines whether the mobile terminal has a license for the content to be decrypted, based on the information identifying the mobile terminal and the information to identify the content to be decrypted on the playback device. In the providing step, when the authentication step determines that the mobile terminal has a license, the mobile terminal is provided with the information necessary for decrypting the content. Has been done.

The providing step may further include a step of executing a process for purchasing information required for decryption when it is determined in the authentication step that the mobile terminal does not have a license. In the authentication step, the content to be decrypted by the playback device is received by receiving the information from the mobile terminal, which is received from the playback device by the playback device and specifies the content to be decrypted by the playback device. It is designed to receive identifying information.

Further, the authentication server 28 and the license server 2
In No. 9, the communication means for connecting to the cellular network 27 constitutes a connecting means for connecting to the mobile phone 26 which is set to be capable of exchanging data with the personal computer 23 which is a reproducing device holding the encrypted content. Further, the arithmetic processing means in the authentication server 28 constitutes an authentication means for performing the authentication processing with the mobile phone 26, and the arithmetic processing means and the communication means of the license server 29 perform the authentication by this authentication means. Based on the result of the above, the reproducing device 23 is configured to provide a providing means for providing the mobile phone 26 with a content key which is information necessary for decrypting the content encryption.

On the other hand, in the processing procedure of the mobile phone 26 shown in FIGS. 5 and 7, the step SP11 is the first step of connecting to the reproducing apparatus holding the encrypted content.
The connection step is configured, and the subsequent step SP12 is configured as a first authentication step for performing authentication processing with the playback device. Further, step SP15 and step SP16 constitute a first receiving step of receiving information specifying the content to be decrypted from the reproducing apparatus, and step SP32 is a providing apparatus that provides the information to decrypt the content. The second connection step for connecting is configured as a second authentication step in which step SP33 performs authentication processing with the providing device. Further, step SP36 constitutes a second receiving step of receiving information necessary for decrypting the content in the reproducing device from the providing device based on the result of the authentication in the second authenticating step, and provided by step SP19. Based on the information received from the device, a providing step of providing the reproducing device with the information for decrypting the encrypted content is configured.

In the processing procedure of the mobile phone 26 shown in FIGS. 5 and 7, step SP11 reproduces the first connection step of connecting to the reproducing apparatus holding the encrypted content, and steps SP15 and SP16 reproduce it. The first receiving step of receiving information for specifying the content to be decrypted from the device constitutes a first receiving step, and step SP17 self-provides information necessary for decrypting the content based on the information for specifying the content. A determination step for determining whether or not the user owns it, and step SP18
If it owns the information necessary to decrypt the content, it will be necessary to decrypt the encrypted content based on the information that it owns. The first providing step of providing the information to the reproducing apparatus is configured, and when the step SP32 does not own the information necessary for decrypting the content, the content is decrypted. The second connection step of connecting with the providing device that provides the information necessary for the reproduction, and the step SP36 constitutes the second receiving step of receiving the information necessary for decrypting the content in the reproducing device from the providing device. Then, Step SP18 provides a second providing step of providing the reproducing apparatus with the information for decrypting the encrypted content based on the information received from the providing apparatus. It has been adapted to growth.

In the mobile phone 26, the central processing unit 71, the memory 80, and the interface 81 constitute a connecting means for connecting to the personal computer 23 which is a reproducing device holding the encrypted content, and the central processing unit 71. , The transmission / reception data processing unit 74, the RF processing unit 75, the antenna 76, and the memory 80 constitute connection means for connecting to the authentication server 28 and the license server 29, which are providing devices that provide information for decrypting the content encryption. Has been done. The central processing unit 7
1, the transmission / reception data processing unit 74, the RF processing unit 75, the antenna 76, the memory 80, and the interface 81 configure an authentication unit that performs authentication processing with the playback device and authentication processing with the providing device. Further, the central processing unit 71 and the memory 80 receive the information specifying the content to be decrypted from the reproducing apparatus, and the information necessary for decrypting the content in the reproducing apparatus from the providing apparatus is received. The control means is configured to provide the reproducing apparatus with the information for decrypting the encrypted content, which is received based on the information received from the providing apparatus.

(1-2) Operation of the First Embodiment In the above configuration, the content providing system 21
In the above, various contents are provided to the personal computer 23 by downloading from the contents server 22 and by a recording medium such as an optical disk.
When the user wants to view the content provided in this way, the user authentication process is executed by inputting the password on the mobile phone 26.
Further, in the case where the license ID assigned to the content is notified to the mobile phone 26 by this user authentication and the license server 29 permits the user to enjoy this content here, the corresponding license key is sent to the mobile phone 26. If held, mobile phone 26
At, the content key set in the content is decrypted by the license key, and the decrypted content key is provided to the personal computer 23. As a result, this content providing system 21
Then, the content is decrypted by the content key and provided to the user.

As a result, even if the user, for example, enjoys music on the personal computer 23 of another person and the other person has not acquired a license for the content, he / she can connect his / her mobile phone 26 to
You can freely enjoy the content that you have licensed. In this way, when the content key is decrypted with the license key and the content is decrypted with this content key, even if the encryption of one content is analyzed, the other content is Because the analysis results are not available,
Therefore, the security of the entire system can be improved.

In this series of processing, in this embodiment, the user authentication is performed by effectively utilizing the authentication mechanism in the mobile phone 26 which is a personal information terminal, so that the personal information is not leaked to the personal computer 23 side. Therefore, it is possible to provide the content while ensuring sufficient reliability with a simple configuration.

On the other hand, even if the license server 29 permits the content to be enjoyed, if the corresponding license key is not held in the mobile phone 26, the content providing system 21 uses the mobile phone. The license server 29 is accessed by 26, and the user ID is authenticated by the authentication server 28 that manages the mobile phone 26 using the terminal ID and telephone number of the mobile phone 26. Further, the license server 29 determines the presence or absence of a license by this user authentication, and if the license server 29 permits the content to be enjoyed, the mobile phone 26 notifies the user by obtaining the determination result of the license. The license key corresponding to the license ID is provided to the mobile phone 26 and held in the mobile phone 26.

As a result, in this embodiment, the authentication server 28, which is the existing infrastructure, is effectively used so that the content can be used by the user authentication in the mobile phone 26, which is also sufficient with a simple configuration. The content can be provided while ensuring reliability.

On the other hand, if the use of the content is not permitted, the license server 29 determines that there is no license, and by this determination, the use of the content is permitted by executing the purchase process of the content as necessary. To be done. As a result, in the content providing system 21, the license key corresponding to the license ID is provided to the mobile phone 26 and held in the mobile phone 26.

As a result, this content providing system 2
1, the license record is stored in the license server 29 based on the mobile phone 26, and the user accesses the license server 29 again by the mobile phone 26 even when the user replaces the mobile phone 26. Thus, the license key can be acquired again and the content can be used.

(1-3) Effects of First Embodiment According to the above configuration, the user is authenticated by effectively utilizing the authentication function of the mobile phone, which is an information mobile terminal carried by an individual, and the content is encrypted. By providing the license key which is the data necessary for de-encryption, it is possible to provide the content with sufficient reliability with a simple configuration.

At this time, since the portable terminal is a portable telephone which is a portable terminal device capable of communicating with a desired communication target through the telephone line, the server for managing communication which is the existing infrastructure is also effective for the authentication server. It is also possible to simplify the entire structure.

That is, the process of user authentication, which is a premise for issuing a license key from the license server 29, is a first user authentication step by judging a password by a user's operation on a mobile phone, which is the original process of user authentication. Based on this authentication result, the authentication server 28
And the second user authentication step by exchanging data with the mobile phone 26, it is possible to prevent the unauthorized acquisition of content by a third party.

(2) Second Embodiment In this embodiment, the personal computer 2 is used.
3 to access the license server 29. In this embodiment, the personal computer 2
3 is the same as that of the first embodiment except that the mobile phone 26, the personal computer 23, the authentication server 28, and the license server 29 are partially different in processing procedure by accessing the license server 29. The differences between these configurations will be mainly described below.

That is, the portable telephone 26 has a personal computer 23 as shown in FIG. 10 in comparison with FIG.
In response to a request for the content key from the personal computer, mutual authentication processing and user authentication processing are executed, and when the corresponding license key is held, the content key provided by the personal computer 23 is decrypted and the personal computer 23 23.

On the other hand, when the license key is not held, the mobile phone 26 is the personal computer 23.
To that effect, and the personal computer 23 accesses the license server 29 by this notification. At this time, the telephone number (or terminal ID) acquired from the mobile phone 26, the license ID acquired from the content, and the like are also notified to the license server 29. As a result, the license server 29 requests the authentication server 28 to authenticate using this telephone number, and the request causes the authentication server 28 to access the mobile phone 26,
Authentication processing is executed between the mobile phones 26 by using the authentication function in line control between and, and the license server 29 is notified of the processing result. As a result, the license server 29 determines that the personal computer 2
The license key is issued to the mobile phone via 3 or directly, and the license key is issued to the mobile phone via the personal computer 23 or directly after the completion of the purchase procedure.

As a result, in this embodiment, the authentication server 28 and the license server 29 move from step SP61 to step SP62 upon access from the personal computer 23, as shown in FIG. After securing the line,
In step SP63, the personal computer 2
The telephone number and the license ID of the mobile phone 26 are acquired from 3. Further, subsequently, in step SP65, the line is connected to the mobile phone 26 by the authentication server 28 and the authentication process is performed. Then, the license key is transmitted in step SP66 according to the authentication result, and the process proceeds to step SP67 to end this process procedure. Has been done.

Further, in the mobile phone 26, as shown in FIG. 13, step SP71 is performed by controlling the application program in the personal computer 23.
After that, the process proceeds to step SP72, the connection with the personal computer 23 is secured, the license ID is acquired from the personal computer 23, and the subsequent step SP
At 73, the presence or absence of a license is determined. If the user has a license, the process moves to step SP74, the content key is notified to the personal computer 23 by the held license key, and then the process moves to step SP75 to end this processing procedure.

On the other hand, if the user does not have a license, the process proceeds from step SP73 to step SP76, where the telephone number is notified to the personal computer 23. By the notification of this telephone number, the personal computer 23 notifies the content server 22 of this telephone number, and the access is obtained from the authentication server 28, so that a line is secured with the authentication server 28 in the following step SP77, Authentication processing is executed in step SP78. If the authentication result is obtained correctly, step SP
In 79, the license key is acquired from the content server 22 via the personal computer 23 or directly, and in step SP74, the content key is notified to the personal computer 23 from this license key.

When the authentication server 28 and the mobile phone 26 are to be authenticated by the request of the license server 29 in this way, for example, the mobile phone 26 is "authenticating".
You may make it notify a user of the process in the mobile telephone 26 by displaying a message such as.

Even when the license server 29 is accessed by the personal computer 23 in this way, the same effect as in the first embodiment can be obtained.

(3) Other Embodiments In the above-described embodiments, the case where the license key once acquired is held in the mobile phone has been described. However, the present invention is not limited to this, and the reproduction key is reproduced each time. You may make it acquire. That is, when holding the license key once acquired in this way, it is necessary to ensure high security, but if it is acquired each time it is reproduced in this way, the mobile phone may be stolen, etc. On the other hand, safety can be improved.

In the above-described embodiment, the case where the user authentication is performed by inputting the password in the mobile phone has been described. However, the present invention is not limited to this, and the user authentication may be performed by biometric authentication such as fingerprint detection. May be.

In the above embodiment, the case where the user authentication is completed in the mobile phone has been described, but the present invention is not limited to this, and the data used for the user authentication is transmitted to the authentication server to perform the user authentication. It can also be widely applied to the case where In this case, for example, in the case of user authentication by biometric authentication such as a fingerprint, fingerprint data may be transmitted to an authentication server to be authenticated.

Further, in the above-described embodiment, the case where the license key is obtained for each content has been described. However, the present invention is not limited to this, and the license key is collectively collected for a plurality of contents such as albums. The license key may be acquired, or one license key may be set for a plurality of contents.

Further, in the above-mentioned first embodiment,
The case where the license server is accessed by a series of processing procedures in the mobile phone, and the case where the license server is accessed by the processing in the personal computer in the second embodiment have been described, but the present invention is not limited to this. In the access of the license server in the second embodiment, the access may be performed by the mobile phone under the control of the personal computer, and conversely, in the access of the license server in the second embodiment, the mobile phone may be accessed. The personal computer may be accessed by controlling the telephone, or these controls may be shared.

Further, in the above-mentioned embodiment, the case where the content is reproduced by the personal computer is described, but the present invention is not limited to this, and can be widely applied to the case where the content is reproduced by the car stereo system, for example.

Further, in the above-mentioned embodiments, the case where the authentication function of the mobile phone is used has been described, but the present invention is not limited to this, and is widely applied when using the authentication functions of various information terminal devices. be able to.

In the above-described embodiment, the case of physically connecting to the authentication server or the like by the connection of the line has been described, but the present invention is not limited to this, and a personal computer, a mobile phone or the like is always connected to the network. It can be widely applied to the case. In this case, in the series of connection steps described above, a series of processes before starting the data exchange, such as exchanging an address with the communication target, is performed.

Further, in the above-described embodiment, the case where a series of processes is executed by the mobile phone or the like by the processing program acquired through the network has been described, but the present invention is not limited to this, and the present invention is applicable to the mobile phone. May execute a series of processing by a processing program installed in advance, and further, in each of the above-mentioned devices and apparatuses, this kind of processing procedure is executed by installing a program provided by various recording media. It can be widely applied to cases. A recording medium such as a magnetic disk, an optical disk, or a magnetic tape can be applied as such a recording medium.

[0101]

As described above, according to the present invention, by authenticating a user by utilizing the authentication mechanism of the portable terminal connected to the reproducing apparatus, the content can be secured with sufficient reliability by a simple configuration. Can be provided.

[Brief description of drawings]

FIG. 1 is a block diagram showing a content providing system according to a first embodiment of the present invention.

2 is a block diagram showing a configuration of a personal computer in the content providing system of FIG.

3 is a block diagram showing a mobile phone in the content providing system of FIG.

FIG. 4 is a time chart showing a processing procedure of mutual authentication between a mobile phone and a personal computer in the content providing system of FIG.

FIG. 5 is a flowchart showing a processing procedure in a mobile phone.

6 is a flowchart showing a processing procedure for issuing a license key in the content providing system of FIG.

7 is a time chart showing a processing procedure of the mobile phone corresponding to the processing procedure of FIG.

FIG. 8 is a detail of the time chart of FIG.

9 is a flowchart showing a processing procedure of an authentication server and a content server corresponding to the processing procedure of FIG.

FIG. 10 is a block diagram showing an authentication server and a license server.

FIG. 11 is a detail of a time chart showing a processing procedure in the content providing system according to the second embodiment of the present invention by comparison with FIG.

FIG. 12 is a flowchart showing a processing procedure of a server in the content providing system according to the second embodiment of the present invention.

FIG. 13 is a flowchart showing a processing procedure of a mobile phone in the content providing system according to the second embodiment of the present invention.

FIG. 14 is a block diagram showing a satellite broadcasting system.

FIG. 15 is a block diagram showing a personal authentication system.

[Explanation of symbols]

6, 14, 28 ... Authentication server, 15, 29 ... License server, 23 ... Personal computer, 26 ...
…mobile phone

─────────────────────────────────────────────────── ─── Continuation of front page (51) Int.Cl. ⁷ Identification code FI theme code (reference) G06F 17/60 512 G06F 17/60 512 G09C 1/00 640 G09C 1/00 640E H04L 9/08 H04L 9 / 00 601B 9/32 675D

Claims (29)

[Claims] 1. An information providing method for providing information for decrypting content encryption, comprising a connection for connecting to a portable terminal set to be capable of exchanging data with a playback device holding encrypted content. And an authentication step of performing an authentication process with the mobile terminal, and based on the result of the authentication in the authentication step, providing the mobile terminal with information necessary for decryption of the content in the playback device. An information providing method comprising: a providing step. 2. The information providing method according to claim 1, wherein the authentication step is performed using a telephone line with the mobile terminal. 3. The authentication step includes a step of receiving from the mobile terminal, information for specifying the mobile terminal and information for specifying content to be decrypted by the playback device, and specifying the mobile terminal. Determining whether or not the portable terminal has a license for the content to be decrypted, based on the information to be decrypted and the content to be decrypted by the playback device. Wherein the providing step provides the mobile terminal with information necessary for decrypting the content when the mobile terminal determines that the mobile terminal has a license in the authenticating step. The information providing method according to claim 1. 4. When the authentication step determines that the mobile terminal does not have a license, the method further comprises a step of executing a process for purchasing information necessary for releasing the encryption. The information providing method according to claim 3, wherein the information providing method is provided. 5. The reproducing apparatus receives the information specifying the content to be decrypted by the reproducing apparatus, which is received from the reproducing apparatus by the portable terminal, in the authenticating step. 4. The information providing method according to claim 3, wherein the information specifying the content to be decrypted is received. 6. The providing step provides information for releasing the encryption applied to the key for decrypting the content received from the playback device by the portable terminal. The information providing method according to claim 1, wherein: 7. An information providing apparatus for providing information for decrypting content encryption, the connection for connecting to a portable terminal set to be capable of exchanging data with a reproducing apparatus holding encrypted content. Means for performing authentication processing between the mobile terminal and the mobile terminal, and based on the result of the authentication by the authentication means, provides the mobile terminal with information necessary for decrypting the content in the playback device. An information providing apparatus comprising: a providing unit. 8. A program of an information providing method for causing an information processing system to execute a process of providing information for decrypting a content, wherein data is exchanged with a reproducing device holding the encrypted content. A connection step of connecting to a portable terminal that is enabled, an authentication step of performing an authentication process with the portable terminal, and a decryption of the content encryption in the playback device based on the result of the authentication in the authentication step. And a providing step of providing necessary information to the mobile terminal. 9. A recording medium having a program of an information providing method for causing an information processing system to execute a process of providing information for decrypting content, wherein the program of the information providing method is encrypted. A connection step of connecting to a mobile terminal that is set to be capable of exchanging data with a playback device that holds the content, an authentication step of performing an authentication process with the mobile terminal, and a result of the authentication in the authentication step. A recording medium storing a program of an information providing method, wherein the reproducing device provides the mobile terminal with information necessary for decrypting the content encryption. 10. An information providing method for providing information for decrypting content encryption, comprising: a first connection step of connecting to a playback device holding encrypted content; and authentication between the playback device. A first authentication step of performing a process; a first receiving step of receiving information specifying a content to be decrypted from the playback device; a connection to a providing device providing information to decrypt the content; 2 connection step, a second authentication step that performs an authentication process between the providing device, and based on the result of the authentication in the second authentication step,
A second receiving step of receiving information necessary for decrypting the content in the reproducing apparatus from the providing apparatus; and encrypting the encrypted content based on the information received from the providing apparatus. And a step of providing information to be released to the playback device. 11. The first receiving step receives, from the playback device, information specifying a content to be decrypted, and an encrypted key for decrypting the content, the second receiving step. The receiving step receives information for decrypting the encrypted key from the providing device, and the providing step receives the encryption of the encrypted key from the providing device. 11. The information providing method according to claim 10, further comprising: a releasing step of releasing based on information, and a key providing step of providing the reproducing apparatus with the key decrypted in the releasing step. 12. The information providing method according to claim 10, further comprising a user authentication step of authenticating the user based on a user's input. 13. The information providing method according to claim 12, wherein the user authentication step authenticates the user based on a password input by the user. 14. An information providing apparatus for providing information for decrypting content, which is connected to a reproducing apparatus for retaining encrypted content and a providing apparatus for providing information for decrypting the content. Authentication unit that performs authentication processing between the connection unit and the reproduction apparatus, and performs authentication processing between the provision apparatus and the authentication unit, and receives information specifying the content to be decrypted from the reproduction apparatus. , Receiving information necessary for decrypting the content in the reproducing apparatus from the providing apparatus, and obtaining information for decrypting the encrypted content based on the information received from the providing apparatus. An information providing device, comprising: a control unit that provides the reproducing device. 15. A program of an information providing method for causing a mobile terminal to execute a process of providing information for decrypting content encryption, the first connecting step of connecting to a reproducing apparatus holding encrypted content. A first authentication step of performing an authentication process with the playback device; a first receiving step of receiving information specifying content to be decrypted from the playback device; and a decryption of the content. A second connection step of connecting to a providing device that provides information, a second authentication step of performing an authentication process with the providing device, and a result of authentication in the second authentication step,
A second receiving step of receiving information necessary for decrypting the content from the providing apparatus in the reproducing apparatus; and encrypting the encrypted content based on the information received from the providing apparatus. A program of an information providing method, comprising: providing information to be released to the playback device. 16. A recording medium recording a program of an information providing method for causing a mobile terminal to execute a process of providing information for decrypting content, wherein the program of the information providing method is encrypted. A first connecting step of connecting to a reproducing apparatus holding the content; a first authenticating step of performing an authentication process with the reproducing apparatus; and a step of receiving information specifying the content to be decrypted from the reproducing apparatus. 1 receiving step, a second connecting step of connecting with a providing device that provides information for decrypting the content, a second authenticating step of performing an authentication process with the providing device, and the second authenticating step Based on the result of the certification in
A second receiving step of receiving information necessary for decrypting the content from the providing apparatus in the reproducing apparatus; and encrypting the encrypted content based on the information received from the providing apparatus. A recording medium storing a program of an information providing method, comprising: providing information to be released to the reproducing device. 17. An information providing method for providing information for decrypting content, comprising: a first connecting step of connecting to a reproducing device holding encrypted content; and decrypting the reproducing device. A first receiving step of receiving information for specifying the content, and determining whether or not the information necessary for decrypting the content is owned by itself based on the information for specifying the content And, if the information necessary for decrypting the content is decrypted, the encrypted content is encrypted based on the information possessed by the self. A first providing step of providing the playback device with information for unlocking the content, and not owning the information necessary for unlocking the encryption of the content. In that case, a second connecting step of connecting with a providing device that provides information necessary for decrypting the content, and information necessary for decrypting the content in the reproducing device from the providing device. And a second providing step of providing the reproducing apparatus with information for decrypting the encrypted content based on the information received from the providing apparatus. An information providing method characterized by the above. 18. The first receiving step receives, from the playback device, information specifying a content to be decrypted, and an encrypted key for decrypting the content. The providing step includes a releasing step of releasing the encryption of the encrypted key based on the information owned by the self, and the reproducing apparatus providing the key decrypted in the releasing step. And a step of providing a key, the second receiving step receives information for decrypting the encrypted key from the providing apparatus, and the second providing step includes: And a key providing step of providing the reproducing apparatus with the key decrypted in the releasing step, the releasing step of releasing the encryption of the encrypted key based on the information received from the providing apparatus. 18. The information providing method according to claim 17, wherein: 19. An information providing apparatus which provides information for decrypting content, and which provides a reproducing apparatus for retaining encrypted content and information necessary for decrypting the content. Connection means for connecting to a providing device; and information necessary to receive the information specifying the content to be decrypted from the playback device and to decrypt the content based on the information to identify the content. It is determined whether or not the user owns, and when the information necessary to decrypt the content is decrypted within the self, based on the information possessed within the self, Providing the playback device with information for decrypting the encrypted content, and not owning the information necessary for decrypting the content In this case, the information necessary for decrypting the content in the reproducing apparatus is received from the providing apparatus, and the encrypted content is decrypted based on the information received from the providing apparatus. An information providing apparatus, comprising: a control unit that provides information for the reproduction apparatus to the reproducing apparatus. 20. In a program of an information providing method for causing a mobile terminal to execute a process of providing information for decrypting content encryption, a first connecting step for connecting to a reproducing apparatus holding encrypted content. A first receiving step of receiving information specifying the content to be decrypted from the playback device, and the information necessary for decrypting the content based on the information specifying the content. In the case of owning the information necessary for decrypting the content, the determining step of determining whether or not the user owns A first providing step of providing the reproducing apparatus with information for decrypting the encrypted content, and decrypting the content. A second connection step of connecting to a providing device that provides the information necessary to decrypt the content when the information necessary for the reproduction is not owned by itself; A second receiving step of receiving information necessary for decrypting the encrypted content, and information for decrypting the encrypted content based on the information received from the providing device, A second providing step of providing the reproducing apparatus, the information providing method program. 21. A recording medium having recorded thereon a program of an information providing method for causing a mobile terminal to execute a process of providing information for decrypting content, wherein the program of the information providing method is encrypted. A first connection step of connecting to a reproduction device that holds the content; a first reception step of receiving information that identifies the content to be decrypted from the reproduction device; and the content based on the information that identifies the content. A determination step of determining whether or not the information necessary for decrypting the content is in-house, and the information necessary for decrypting the content in-own And providing information for decrypting the encrypted content to the playback device based on information owned by itself. A providing step, and a step of connecting to a providing device that provides the information necessary for decrypting the content when the information necessary for decrypting the content is not owned in-house 2 connection step, a second receiving step of receiving from the providing apparatus information necessary for decrypting the content in the playback apparatus, and the encrypted information based on the information received from the providing apparatus. And a second providing step of providing information for decrypting the content to the reproducing apparatus, the recording medium storing the program of the information providing method. 22. An information providing method for providing information for decrypting content encryption, which is connected to a playback device holding encrypted content set to allow data exchange with a user's mobile terminal. A first connecting step, an acquiring step of acquiring information for identifying the mobile terminal from the playback device, and a second connecting step of connecting to the mobile terminal based on the information for identifying the mobile terminal An authentication step of performing an authentication process with the mobile terminal; and providing the mobile terminal with information necessary for decryption of the content in the playback device based on the result of the authentication in the authentication step. An information providing method comprising the steps of: 23. An information providing apparatus for providing information for decrypting content, which holds a user's mobile terminal and an encrypted content set to allow data exchange with the mobile terminal. Information for identifying the mobile terminal by acquiring information for identifying the mobile terminal from the playback device, and connection means for connecting to the playback device, authentication means for performing authentication processing between the mobile terminal and the playback device. On the basis of the result of the authentication by the authenticating means, and based on the result of the authentication by the authenticating means, there is provided control means for providing the portable terminal with information necessary for decrypting the content. A characteristic information providing device. 24. A program of an information providing method for causing an information processing system to execute a process of providing information for decrypting a content, the encryption being set to exchange data with a user's mobile terminal. Based on a first connection step of connecting to a playback device that holds the encrypted content, an acquisition step of obtaining information for identifying the mobile terminal from the playback device, and information for identifying the mobile terminal A second connection step of connecting to the mobile terminal; an authentication step of performing an authentication process with the mobile terminal; and a decryption of the content in the playback device based on the result of the authentication in the authentication step. And a providing step of providing necessary information to the mobile terminal. 25. A recording medium recording a program of an information providing method for causing an information processing system to execute a process of providing information for decrypting content, wherein the information providing program is a user's mobile terminal. A first connection step of connecting to a playback device that holds encrypted content that is set to be data exchangeable with, an acquisition step of obtaining information for identifying the mobile terminal from the playback device, A second connection step of connecting to the mobile terminal based on information for identifying the mobile terminal; an authentication step of performing authentication processing with the mobile terminal; and a result of authentication in the authentication step. And a providing step of providing the portable terminal with information necessary for decryption of the content in the reproducing apparatus. Recording medium recording a program information providing method according to claim. 26. An information providing method for providing information for decrypting content using a mobile terminal, comprising: a first connecting step of connecting to a reproducing apparatus holding encrypted content; and the reproducing apparatus. A transmitting step for transmitting information for identifying the mobile terminal to the providing device, and a providing device for providing information for decrypting the content based on the information for identifying the mobile terminal transmitted to the reproducing apparatus. A second connection step of connecting to the providing apparatus by receiving access from the authentication apparatus, an authentication step of performing an authentication process with the providing apparatus, and a step of performing authentication from the providing apparatus based on a result of authentication in the authentication step. A receiving step of receiving information necessary for decrypting the content in the reproducing apparatus, and a step of receiving information received from the providing apparatus. Based on the information to decrypt the encrypted content, the information providing method characterized in that it comprises a providing step of providing to said reproducing apparatus. 27. An information providing apparatus for providing information for decrypting content, which is connected to a reproducing apparatus for retaining encrypted content and a providing apparatus for providing information for decrypting the content. Connection means for performing authentication processing between the providing device and the connection device for transmitting information for identifying the mobile terminal to the playback device, and for identifying the mobile terminal transmitted to the playback device Based on the information of the above, the connection is made with the providing device by being accessed by the providing device that provides the information for decrypting the content, and the reproduction is performed from the providing device based on the result of the authentication by the authentication means. The device receives information necessary for decrypting the content, and the encrypted information is received based on the information received from the providing device. The information to decrypt the content,
An information providing apparatus, comprising: a control unit that provides the reproducing apparatus. 28. In a program of an information providing method for causing an information processing system to execute a process of providing information for decrypting content encryption, a first connection for connecting to a reproduction device holding encrypted content. A step of transmitting information for identifying the mobile terminal to the reproduction apparatus, and decrypting the content based on the information for identifying the mobile terminal transmitted to the reproduction apparatus A second connection step of connecting to the providing apparatus by receiving access from the providing apparatus that provides information, an authentication step of performing an authentication process with the providing apparatus, and a result of authentication in the authentication step , A receiving step for receiving information necessary for decrypting the content from the providing apparatus in the reproducing apparatus. If, on the basis of the information received from the providing apparatus, information to decrypt the encrypted content, the program information providing method characterized in that it comprises a providing step of providing to said reproducing apparatus. 29. A recording medium recording a program of an information providing method for causing an information processing system to execute a process of providing information for decrypting content, wherein the program of the information providing method is encrypted. A first connecting step of connecting to a reproducing apparatus holding the content, a transmitting step of transmitting information for specifying the portable terminal to the reproducing apparatus, and a step of specifying the portable terminal transmitted to the reproducing apparatus A second connection step of connecting to the providing apparatus by receiving access from a providing apparatus that provides information for decrypting the content based on the information, and authentication for performing authentication processing between the providing apparatus. Step, and based on the result of the authentication in the authentication step, content from the providing device in the playback device A receiving step of receiving information necessary for decryption, and providing information for decrypting the encrypted content to the reproducing apparatus, based on the information received from the providing apparatus. A recording medium recording a program of an information providing method, which comprises: