JP2001331666A - Device and method for processing information, device and method for providing information, program storage medium, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To purchase desired contents even when storage capacity is small. SOLUTION: At a request for purchase made by a portable telephone set 201, a purchase program 351 sends the request to purchase the contents to a shop server 4 together with data specifying a recording area so that a managing server 4 transmits the purchased contents.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an information processing apparatus and method, an information providing apparatus and method, a program storage medium, and a program, and more particularly to an information processing apparatus and method for managing or providing content, and an information providing apparatus. And a method, a program storage medium, and a program.

[0002]

2. Description of the Related Art FIG. 1 is a diagram showing a configuration of a conventional digital data transmission system. Personal computer 1
-1 is connected to a network 3 composed of a local area network or the Internet. The personal computer 1 receives the musical tone data (hereinafter, referred to as content) together with the content use condition from the shop server 4 via the network 3 and records the content in accordance with the use condition. The content received from the shop server 4 is encoded by a predetermined compression method (for example, ATRAC3 (trademark)) and is also encrypted by an encryption method such as DES (Data Encryption Standard).

The use condition is, for example, the number of portable devices 2 (Portable Devices (also referred to as PDs)) that can simultaneously use the content corresponding to the use condition (the number of PDs that can be checked out, which will be described later). Show. Even when the content is checked out by the number indicated in the usage conditions, the personal computer 1
-1 means that the content can be reproduced.

[0004] The personal computer 1-1 displays data related to the content recorded on the personal computer 1-1 (for example, song titles or usage conditions) and inputs a check-out instruction and the like. A software module (not shown) compliant with the SDMI (Secure Digital Music Initiative) standard (hereinafter referred to as LCM (Licensed Compliant Module))
To execute a process such as checkout corresponding to the instruction.

LCM of personal computer 1-1
Consists of a group of modules that control each individual content so that it can be used only under the usage conditions specified by the copyright holder, in order to prevent copyright infringement due to unauthorized secondary use of the content. You. The usage conditions include content playback conditions, copy conditions, transfer conditions, storage conditions, and the like.

LCM of personal computer 1-1
Performs authentication of whether the device connected to the personal computer 1-1 is legitimate, and executes a process of moving content in a secure manner. The LCM generates a necessary key, manages the key, encrypts the content, or controls communication with a connected device in accordance with a process of moving the content.

The L of the personal computer 1-1 is
The CM checks the validity of the connected portable device 2, adds the usage conditions specified by the shop server 4 to the content (encrypted), and causes the portable device 2 to record the content.

LCM of personal computer 1-1
Indicates that the encrypted content is supplied to the connected portable device 2 together with the content-related data (for example, a song title or usage conditions), and that the content is supplied to the portable device 2. Then, the use condition corresponding to the supplied content is updated (hereinafter, referred to as checkout). More specifically, when checking out, the LCM calculates the number of times that the use condition corresponding to the content recorded in the personal computer 1-1 can be checked out, by one.
Reduce. When the number of times that the user can check out is 0, the corresponding content cannot be checked out.

[0009] The portable device 2 stores the content (ie, the content supplied from the personal computer 1-1).
The checked-out content) is stored in a storage medium such as a flash memory provided therein, together with data (for example, a song title or usage conditions) related to the content.

The portable device 2 reproduces the stored content based on the usage conditions corresponding to the content and outputs the content to headphones (not shown).

For example, when the portable device 2 tries to reproduce the content exceeding the number of times of reproduction as the reproduction restriction stored as the use condition corresponding to the content, the portable device 2 stops the reproduction of the content.

The user can remove the portable device 2 storing the content from the personal computer 1-1, carry it around, play back the stored content, and listen to music corresponding to the content using headphones or the like. .

When the portable device 2 is connected to the personal computer 1-1 via a USB cable or the like, the portable device 2 and the personal computer 1 are connected.
"-1" executes the process of mutual authentication. This mutual authentication process is a challenge-response type authentication process. The challenge-response method means that the portable device 2 responds to a certain value (challenge) generated by the personal computer 1-1.
This is a method of responding with a value (response) generated using a secret key shared with -1.

If copying of the content purchased from the shop server 4 is not permitted (defined in the use conditions), the content is copied to the personal computer 1-1.
1 to personal computer 1-2,
The personal computer 1-2 cannot use the copied content.

Similarly, when the content is checked out to the portable device 2, the portable device 2
Can further transfer the contents to a personal computer 1-
Do not allow copying to 3.

The shop server 4 stores the content which has been compressed and encoded by a predetermined method and is encrypted, and distributes the stored content in response to a request from the personal computer 1-1. The shop server 4
The content key for decrypting the content supplied to the personal computer 1-1 is stored, and the content key is supplied to the personal computer 1-1. Before supplying the content, the shop server 4 and the personal computer 1-1 execute a mutual authentication process, and the shop server 4 encrypts the content key with the temporary key shared by the mutual authentication process. To the personal computer 1-1. Personal computer 1-1
Decrypts the received content key with the shared temporary key.

When the personal computer 1-1 purchases content from the shop server 4, the accounting server 5 executes a process of mutual authentication with the personal computer 1-1, and responds to a request from the personal computer 1-1. Then, payment processing is performed using the credit card number of the user of the personal computer 1-1.

Next, the process of purchasing contents by the personal computer 1-1 will be described with reference to the flowchart of FIG. In step S11, the personal computer 1-1 authenticates the shop server 4 via the network 3. In step S21, the shop server 4 authenticates the personal computer 1-1 via the network 3.

A master key KMS is stored in the shop server 4 in advance, and an individual key KPP and an ID of the personal computer 1-1 are stored in the personal computer 1-1.
(Identification) is stored in advance. The personal computer 1-1 further stores a master key KMP in advance, and the shop server 4 stores the ID of the shop server 4 and the individual key KPS.

The shop server 4 is supplied with the ID of the personal computer 1-1 from the personal computer 1-1, and receives the ID and the master key KMS of the personal computer 1-1.
A hash function to the personal computer 1
The same key as the individual key KPP of −1 is generated.

The personal computer 1-1 receives supply of the ID of the shop server 4 from the shop server 4,
The same key as the individual key KPS of the shop server 4 is generated by applying a hash function to the ID and the master key KMP of the self. By doing so, a common individual key is shared by both the personal computer 1-1 and the shop server 4. A temporary key is further generated using these individual keys.

In step S12, the personal computer 1-1 transmits a purchase request for desired content to the shop server 4 via the network 3. In step S22, the shop server 4 receives a content purchase request from the personal computer 1-1.

In step S23, the shop server 4 transmits the content corresponding to the purchase request received in step S22 to the personal computer 1-1 via the network 3. In step S13, the personal computer 1-1 receives the content transmitted by the shop server 4. In step S14, the personal computer 1-1 executes step S14.
The content received in the process of step 13 is stored.

In step S15, the personal computer 1-1 authenticates the accounting server 5 via the network 3. In step S31, the accounting server 5 authenticates the personal computer 1-1 via the network 3.

In step S16, the personal computer 1-1 transmits a payment request to the charging server 5 via the network 3. The payment request includes the credit card number of the user of the personal computer 1-1 and is encrypted with the temporary key generated in the authentication process. In step S32, the accounting server 5 receives the payment request transmitted by the personal computer 1-1. In step S33, the accounting server 5 executes a payment process for the credit card company based on the payment request received in the process in step S32, and the process ends.

Next, a process in which the personal computer 1-1 checks out contents to the portable device 2 will be described with reference to the flowchart of FIG. In step S51, the personal computer 1-1
Selects the content to be checked out in response to the user's operation.

In step S52, the personal computer 1-1 transmits the content selected in the processing in step S51 to the portable device 2 together with the usage conditions. In step S53, the personal computer 1-1 updates the use condition corresponding to the content transmitted to the portable device 2 (subtracts 1 from the number of times that the user can check out).

In step S61, the portable device 2 receives the content transmitted by the personal computer 1-1 together with the usage conditions. Step S62
In, the portable device 2 stores the content received in the process of step S61 together with the usage conditions, and the process ends.

[0029]

However, unless the personal computer 1-1 is operated, the contents cannot be purchased. Further, a recording space for storing the purchased contents has to be prepared in the personal computer 1-1 in advance.

The present invention has been made in view of such circumstances, and it is an object of the present invention to make it possible to purchase desired contents even when the recording capacity is small.

[0031]

An information processing apparatus according to the present invention includes, together with data for specifying a recording area, to cause a second information providing apparatus to transmit a purchased content to the first information providing apparatus. It is characterized by including transmission control means for controlling transmission of a content purchase request to the second information providing apparatus.

[0032] The information processing method of the present invention provides the second information providing device together with the data specifying the recording area so as to cause the second information providing device to transmit the purchased content to the first information providing device. A transmission control step of controlling transmission of a content purchase request to the server.

[0033] The program of the first program storage medium of the present invention includes, together with the data for specifying the recording area, the second information providing apparatus so as to transmit the purchased content to the first information providing apparatus. A transmission control step of controlling transmission of a content purchase request to the second information providing apparatus.

[0034] The first program of the present invention provides the second information providing device together with the data for specifying the recording area so that the second information providing device transmits the purchased content to the first information providing device. A transmission control step of controlling transmission of a content purchase request to the device is performed by a computer.

[0035] The information providing apparatus of the present invention is a receiving apparatus for controlling receiving of data for specifying a predetermined recording area of the second information processing apparatus and a request for purchasing the content, transmitted from the first information processing apparatus. It is characterized by including control means and transmission control means for controlling transmission of content to the second information processing apparatus based on data specifying a recording area in response to a purchase request.

According to the information providing method of the present invention, the data for specifying a predetermined recording area of the second information processing device and the reception for controlling the reception of a content purchase request are transmitted from the first information processing device. It is characterized by including a control step and a transmission control step of controlling transmission of content to the second information processing apparatus based on data specifying a recording area in response to a purchase request.

[0037] The program of the second program storage medium of the present invention includes data for specifying a predetermined recording area of the second information processing apparatus and data for requesting purchase of content, transmitted from the first information processing apparatus. A reception control step of controlling reception, and a transmission control step of controlling transmission of content to the second information processing device based on data specifying a recording area in response to a purchase request. Features.

[0038] The second program of the present invention controls the reception of data specifying a predetermined recording area of the second information processing device and a request for purchase of the content, transmitted from the first information processing device. And causing the computer to execute a reception control step and a transmission control step of controlling transmission of content to the second information processing apparatus based on data specifying a recording area in response to a purchase request. And

According to the information processing apparatus and method of the present invention, the first program storage medium, and the first program, the second information providing apparatus is made to transmit the purchased content to the first information providing apparatus. Then, the transmission of the content purchase request to the second information providing device is controlled together with the data specifying the recording area.

[0040] In the information providing apparatus and method of the present invention, the second program storage medium, and the second program, a predetermined recording area of the second information processing apparatus transmitted from the first information processing apparatus is used. The reception of the data to be specified and the request for purchase of the content are controlled, and the transmission of the content is controlled based on the data for specifying the recording area to the second information processing apparatus in response to the request for purchase. .

[0041]

FIG. 4 is a diagram showing an embodiment of a digital data transmission system according to the present invention. FIG.
1 are given the same reference numerals as in FIG. 1 and the description thereof is omitted.

The mobile phone 11 connects to the network 3 by radio. The mobile phone 11 is connected to the network 3
, The content (compressed and encrypted by a predetermined method) received from the management server 14 together with the usage condition, the content key, and the like, and stores the content, the usage condition, and the content key.

The mobile phone 11 reproduces the stored content based on the usage conditions corresponding to the content and outputs the content to a headphone or a speaker (not shown). The user can receive desired content from the management server 14 at a desired location and store it while carrying the mobile phone 11. The user is the mobile phone 1
First, the stored content can be reproduced, and the music or the like corresponding to the content can be listened to using headphones or the like.

The mobile phone 11 displays data related to the content (for example, a song title or usage conditions) and executes a process corresponding to the input download instruction or the like.

The program of the mobile phone 11 (to be described later with reference to FIG. 7, for example) is designed so that the copyright holder of each content can prevent copyright infringement due to unauthorized secondary use of the content. It is composed of a group of modules that control so that the content can be used only under the specified usage conditions. The usage conditions include content playback conditions, copy conditions, transfer conditions, storage conditions, and the like.

The program of the mobile phone 11 adds the use condition and the content key designated by the shop server 4 to the content (encrypted) in a secure manner,
The content is recorded in a memory or the like inside the mobile phone 11.

The personal computer 12 is connected to the network 3. Personal computer 12
Converts the content and the content key received from the management server 14 or the content read from the CD (not shown) and the content key generated at that time into a predetermined compression scheme and encrypts the content key with an encryption scheme such as DES and records the same. . The personal computer 12 records usage conditions indicating usage conditions of the content, corresponding to the content that has been encrypted and recorded.

The program (not shown) of the personal computer 12 displays data (for example, a song name or a use condition) related to the content, and downloads in response to an input download or check-out instruction, or Perform processing such as checkout.

The program of the personal computer 12 is designed so that the contents can be used only under the use conditions specified by the copyright holder for the purpose of preventing copyright infringement due to unauthorized secondary use of the contents. It is composed of a group of modules for controlling. The usage conditions include content playback conditions, copy conditions, transfer conditions, storage conditions, and the like.

The program of the personal computer 12 executes a process of moving the content in a secure manner. The program of the personal computer 12 generates a necessary key along with the processing of moving the content,
Manage keys, encrypt content, or control communication with connected devices.

PDA (Personal Digital Assistant) 1
3 is the same as the personal computer 12,
The description is omitted.

The management server 14 executes a process of mutual authentication with the shop server 4 in response to a request to purchase contents of the mutually authenticated mobile phone 11, the mutually authenticated personal computer 12, or the mutually authenticated PDA 13. From the authenticated shop server 4 to the mobile phone 1
1. The content corresponding to the request of the personal computer 12 or the PDA 13 is received together with the use condition and the content key, and the content is associated with the user ID for specifying the user of the mobile phone 11, the personal computer 12 or the PDA 13, and , A content key, and a use condition are stored therein.

When the management server 14 receives the content corresponding to the request from the mobile phone 11, the personal computer 12, or the PDA 13, the management server 14 performs a mutual authentication process with the billing server 5, and Send the corresponding payment request.

After executing the process of mutual authentication with the management server 14, the accounting server 5 responds to the request from the management server 14 and responds to the request from the management server 14.
2, or a payment process using the credit card number of the user of the PDA 13 is executed.

The mobile phone 11, the personal computer 12, or the PDA 13 mutually authenticates with the management server 14 and transmits a request for purchase of the content to make the management server 14 download the desired content.
A billing process can be performed.

The user of the mobile phone 11, the personal computer 12, or the PDA 13
And the downloaded content to the mobile phone 11,
The personal computer 12 or the PDA 13 is moved, copied, or checked out. Hereinafter, checkout is described as a representative. Mobile phone 11,
The personal computer 12 or the PDA 13 can reproduce the checked-out content in accordance with the usage conditions.

FIG. 5 is a diagram illustrating the configuration of the mobile phone 11. The CPU (Central Processing Unit) 31
M (Read-only Memory) 32 or RAM (Random-Access)
Memory) 33 is actually executed. The ROM 32 is an EEPROM (Electrically Erasable
It is composed of a Programmable Read-Only Memory) or a flash memory, and generally stores basically fixed data of a program used by the CPU 31 and calculation parameters. The RAM 33 is an SRAM (Static RAM)
And the like, and stores a program used in the execution of the CPU 31 and parameters that change as appropriate in the execution.

The input unit 35 is composed of input keys or a microphone, and is operated by the user when inputting various commands to the CPU 31 or when inputting voice or the like. The display unit 36 includes a liquid crystal display device or the like,
Displays various information as text or images.

The audio reproducing section 37 reproduces the audio data of the other party supplied from the communication section 38 or the content supplied from the storage section 39 and outputs the audio.

The communication unit 38 connects to the network 3 via a public line network 121 (described later with reference to FIG. 7).
The data supplied from the CPU 31 (for example, a content checkout request) or the voice data of the user supplied from the input unit 35 is stored in a packet of a predetermined format, and is stored in the public network 121 and the network 3. To send over. In addition, the communication unit 38 is connected to the public line network 1.
Via the network 21 and the network 3, data (for example, contents) stored in the received packet or voice data of the other party is output to the CPU 31, the RAM 33, the voice reproducing unit 37, or the storage unit 39.

The storage unit 39 is constituted by a flash memory or the like, and stores the content supplied from the communication unit 38 together with the corresponding use condition and content key, and also stores data such as the content, the content key, and the use condition. Is read and supplied to the CPU 31, the RAM 33, or the audio reproducing unit 37.

The interface 40 is connected to an external drive 51. The drive 51 includes a mounted magnetic disk 61, an optical disk 62 (including a CD-ROM),
The data or the program recorded on the magneto-optical disk 63 or the semiconductor memory 64 is read, and the data or the program is read out from the ROM 32 or the RAM 3 connected via the interface 40 and the bus 34.
Supply 3

The CPU 31 to the interface 40 are mutually connected by a bus 34.

Personal Computer 12 and PDA
The configuration of the mobile phone 11 is the same as that of the mobile phone 11, and the description thereof is omitted.

FIG. 6 is a diagram for explaining the configuration of the management server 14. The CPU 81 includes various application programs (details will be described later) and an operating system (OS).
em) is actually executed. The ROM 82 generally stores the CPU 8
1 stores basically fixed data of the program used for operation and the parameters for operation. The RAM 83 is a CPU 81
A program used in the execution of the program and parameters that change as appropriate in the execution are stored. These are mutually connected by a host bus 84 composed of a CPU bus and the like.

The host bus 84 is connected to a PCI (Peripheral Component Interconnect / Interfac
e) It is connected to an external bus 86 such as a bus.

The keyboard 88 is operated by the user when inputting various commands to the CPU 81. The pointing device 89 is operated by the user when pointing or selecting a point on the screen of the display 63. The display 90 is a liquid crystal display or a CRT (Cat
hode Ray Tube) and displays various information as text or images. HDD (Hard Disk Drive) 91
The hard disks are driven, and programs and information executed by the CPU 81 are recorded or reproduced.

The drive 92 includes the mounted magnetic disk 101, optical disk 102, and magneto-optical disk 10.
3, or reads data or a program recorded in the semiconductor memory 104 and supplies the data or the program to the RAM 83 connected via the interface 87, the external bus 86, the bridge 85, and the host bus 84.

The keyboard 88 to the drive 92
Is connected to an interface 87, and the interface 87 is connected to a CPU 81 via an external bus 86, a bridge 85, and a host bus 84.

The communication unit 93 is connected to the network 3, stores data (for example, content) supplied from the CPU 81 or the HDD 91 in a packet of a predetermined format, transmits the packet via the network 3, and ,
The data (for example, contents) stored in the received packet via the network 3 is transmitted to the CPU 81 and the R
Output to AM83 or HDD91.

The communication unit 93 includes an external bus 86, a bridge 8
5 and the CPU 81 via the host bus 84.

The shop server 4 and the billing server 5
Since the configuration is the same as that of the management server 14, a description thereof will be omitted.

Next, an example of the configuration of the first function of the digital data transmission system of the present invention will be described with reference to FIG.

The portable telephone 11 is connected to the authentication program 14
1. Purchase instruction program 142, display operation instruction program 143, content management program 144, content reproduction program 145, and communication program 146
And so on.

The authentication program 141 is used for the public network 12
1 authenticates the management server 14 or the shop server 4 via the network 3. Authentication program 141
May authenticate the user using the input unit 151.

The purchase instruction program 142 is transmitted to the management server 14 via the public network 121 and the network 3.
To send a request to purchase the content. The request includes the user ID, the device ID, and the content I of the requested content.
D, request for processing after download (checkout, move, copy, null).

The display / operation instruction program 143 transmits data (for example, data related to contents) stored in the management server 14 in association with the user ID of the user of the mobile phone 11 via the public line network 121 and the network 3.
A song name or usage condition) is received from the management server 14 and data related to the content is displayed on the display unit 36.

The display operation instruction program 143 reads out data (for example, a song title or usage conditions) related to the content stored in the storage section 39 from the storage section 39 and causes the display section 36 to display the data.

The display operation instruction program 143 causes the content management program 144 to execute a process such as check-out when an instruction such as check-out is input in response to the operation of the input unit 35. The display operation instruction program 143, when an instruction to reproduce the content is input in response to the operation of the input unit 35, executes the content reproduction program based on the management of the use of the content based on the use condition by the content management program 144. 145 to execute a process of reproducing the content (stored in the storage unit 39).

The content management program 144 is a program for managing the use of the content based on the usage conditions of the content and requesting the management server 14 to check out or check in the content.

The content management program 144 manages whether to allow or prohibit the reproduction of the content stored in the storage unit 39 based on the usage conditions of the content. The use condition corresponding to the stored content is updated in response to the reproduction of the stored content.

When the content management program 144 requests the management server 14 to check out desired content, the content management program 144 receives the content, the content key, and the usage conditions of the content transmitted by the management server 14, and receives the content key and the usage key. The received content is stored in the storage unit 39 in accordance with the condition.

When requesting the management server 14 to check in the desired content, the content management program 144 deletes the content requested to be checked in, the content key, and the usage condition stored in the storage unit 39.

When the reproduction of the content is permitted by the content management program 144, the content reproduction program 145 decodes the content stored in the storage unit 39 and causes the audio reproduction unit 37 to output the sound corresponding to the content. .

The communication program 146 has a PHS (Person
al Handyphone System) or IMT (International
ISP (Internet Service Provide) via a public line network 121 such as a Mobile Telecommunication System (Mobile Telecommunication System).
r) This is a program for connecting to 122. The communication program 146 includes IP (Internet Protocol), HT
TP (Hypertext Transport Protocol) and Wap
(Wireless Access Protocol) and is a program for communicating with the shop server 4, the billing server 5, the management server 14, and the like via the network 3.

When the authentication program 141 to the content management program 144 requests the management server 14 to purchase the content or to check out the content via the public line network 121 and the network 3, the authentication program 141 to the content management The program 144 causes the communication program 146 to transmit data corresponding to a content purchase request or a content checkout request.
To receive the transmitted data.

Personal Computer 11 and PDA
13 has the same functional configuration as that of the mobile phone 11, and a description thereof will be omitted.

The management server 14 has an authentication program 15
1. Content purchase processing program 152, payment processing program 153, content management program 154,
The content database 155 and the communication program 156 are executed.

The authentication program 151 corresponds to the portable telephone 1
1. A program for authenticating the personal computer 12, the PDA 13, the shop server 4, or the billing server 5.

The content purchase processing program 152
When a request to purchase content is made from the mobile phone 11, the personal computer 12, or the PDA 13,
This is a program for executing processing for purchasing content corresponding to the purchase request from the shop server 4.

[0091] The content purchase processing program 152
In response to a request for purchasing desired content transmitted from the mobile phone 11, the personal computer 12, or the PDA 13, a request for purchasing the content is transmitted to the shop server 4. When the content, the content key, and the use condition are transmitted from the shop server 4, the content purchase processing program 152 receives the content, the content key, and the use condition, and transmits the received content, the content key, and the use condition. It is stored in the content database 155.

When the content is purchased, the payment processing program 153 transmits a payment request to the charging server 5 via the network 3 based on the data recorded in the user management table 161. The content purchase processing program 152 instructs the content management program 154 to perform processing in accordance with the post-download processing request included in the content purchase request. The payment request transmitted by the payment processing program 153 to the billing server 5 includes:
The name, credit card number, address, and the like of the user who purchased the content are included.

The user management table 161 includes, for example, a user ID for specifying a user of the mobile phone 11, the personal computer 12, or the PDA 13, as shown in FIG.
Corresponding to the credit card number, name, address,
A mail address, a device ID for specifying a device used by the user, and the like are stored.

For example, the user management table 1 shown in FIG.
In the example of 61, the credit card number of the user whose user ID is "AAA" is "good" and the user
The name of the user whose ID is "AAA" is "Aiu",
The address of the user whose user ID is “AAA” is “Iroha”, the mail address of the user whose user ID is “AAA” is “abc”, and the user whose user ID is “AAA” The device ID of the device used by the user is "X789" and "Z
213 ".

The credit card number of the user whose user ID is "BBB" is "Rorororo" and the user ID is "
The name of the user whose name is "BBB" is "Kakiku", the address of the user whose user ID is "BBB" is "Nihohe", and the e-mail address of the user whose user ID is "BBB" is , "Def", and the device IDs of the devices used by the user whose user ID is "BBB" are "Y654" and "W4".
23 ".

When the content database 155 stores the purchased content, the content key, and the usage conditions, the content management program 154 associates the content with the user ID of the user who purchased the content, and specifies the purchased content. The ID and its usage conditions are stored in the content management table 162.

As shown in FIG. 9, for example, as shown in FIG. 9, the content management table 162 is associated with a user ID for identifying a user of the mobile phone 11, the personal computer 12, or the PDA 13, and stores a content ID, usage conditions (for example, check Out-possible number) or a device ID.

The contents management table 162 shown in FIG.
Indicates the number of times the corresponding content can be checked out, and indicates the device ID.
Is an ID for identifying a device (for example, the mobile phone 11, the personal computer 12, or the PDA 13) that has checked out the content.

For example, in the example shown in FIG. 9, the user ID of the user who purchased the content whose content ID is “A123” is “AAA”, and the content ID is “A123”.
The number of times that the content that is A123 "can be checked out is two (and that the content can be checked out twice).
The device ID of the device whose content whose content ID is “A123” is checked out is “X789” (for example, corresponding to the mobile phone 11).

The user ID of the user who purchased the content having the content ID “D666” is “BBB”, and the number of times that the content having the content ID “D666” can be checked out is two. ID
The device ID of the device whose content is “D666” is checked out is “Y654” (for example, corresponding to the personal computer 12).

The contents management program 154 includes the portable telephone 11, the personal computer 12, the PDA 1
3 or a check-out request from the content purchase processing program 152 (content ID and device ID)
Is attached), it is determined based on the data stored in the content management table 162 whether or not the request is from a user who has purchased the content, and a request from the user who has purchased the content is determined. When it is determined that the content is a request, it is further determined whether the number of times that the content can be checked out is one or more.

If it is determined that the number of times that the content can be checked out is 1 or more, the content management program 154 reads from the content database 155 the content corresponding to the content ID, the content key,
And the use conditions are read out and transmitted to the mobile phone 11, the personal computer 12, or the PDA 13 which has requested the check-out, via the network 3.

The content management program 154 does not transmit the content when it is determined that the request is not from the user who purchased the content, or when it is determined that the number of times that the content can be checked out is one or more.

The mobile phone 11, the personal computer 12, or the PDA 13 may attach the content ID and the user ID to the check-out request and transmit the check-out request to the management server 14. In this case, the management server 14 Is based on the content ID and user ID,
Select and submit content.

The content management program 154 stores the content in the mobile phone 11 and the personal computer 1.
2 or, when transmitted to the PDA 13, subtracts 1 from the number of times that the content can be checked out and stores the device ID of the device that transmitted the content in the content management table 1
Record at 62.

The contents management program 154 stores the contents in the portable telephone 11 and the personal computer 1.
2, or when there is a content check-in request from the PDA 13, the content to be checked-in stored in the content management table 162 can be checked out based on the content ID and the device ID received with the request. In addition to adding 1 to the number of times, the device ID recorded corresponding to the content ID is deleted from the content management table 162.

When the content is purchased, the content database 155 stores the content transmitted from the shop server 4 in association with the content key corresponding to the content and the usage conditions. The content database 155 stores the content management program 15
4, when the readout accompanying the checkout of the content is requested, the content corresponding to the request, the content key, and the use condition thereof are stored in the content management program 1.
54.

[0108] When the content management program 154 requests the content management program 154 to update the use condition accompanying the check-in of the content, the content database 155 updates the use condition of the content corresponding to the request.

The communication program 156 includes IP, HTT
P, and procedures such as Wap.
Via the shop server 4, the billing server 5, the mobile phone 11, the personal computer 12, and the PDA 1.
3 and the like.

The shop server 4 includes a content information providing program 181, an authentication program 182, a content management program 183, a content database 18
4. Key management program 185 and communication program 1
Execute 86.

The contents information providing program 181 is
When the provision of content information is requested from the mobile phone 11, the personal computer 12, or the PDA 13, via the network 3, the mobile phone 11, the personal computer 12, or the PDA 1 that has requested the provision is provided.
3 is a program for supplying content information (song name, artist name, associated image, performance time, price, etc.).

The authentication program 182 is executed by the management server 14
Is a program that authenticates

When the content management program 183 receives a content purchase request from the management server 14,
The content and the usage conditions of the content are read from the content database 184, and the key management program 1
The content key corresponding to the content is read from the content server 85, and the content, the content key, and the use condition are transmitted to the management server 14 via the network 3.

The content database 184 records the content in accordance with the use condition, and stores the content and the use condition in response to the read request from the content management program 183.
Supply 3

The key management program 185 generates and stores a content key for decrypting the content stored in the content database 184. The key management program 185 includes the content management program 183
When the content key is requested from the server, the content key is supplied to the content management program 183.

The communication program 186 includes IP, HTT
P, and procedures such as Wap.
Is a program for communicating with the management server 14 and the like via the.

The billing server 5 has an authentication program 187,
Charge processing program 188 and communication program 18
9 and so on. The authentication program 187 is a program for authenticating the management server 14.

When a request for payment is made from the management server 14, the charging processing program 188 executes a payment process using the credit card number of the user corresponding to the payment request.

The communication program 189 is composed of IP, HTT
P, and procedures such as Wap.
Is a program for communicating with the management server 14 and the like via the.

Next, the content purchase processing will be described with reference to the flowchart of FIG. Step S110
1, the authentication program 141 of the mobile phone 11
Authenticates the user using the input unit 35, and authenticates the management server 14 via the network 3. Step S1
In 201, the authentication program 15 of the management server 14
1 authenticates the mobile phone 11.

The management server 14 stores the master key KMK in advance, and the mobile phone 11 stores the individual key KPT and the ID of the mobile phone 11 in advance. The mobile phone 11 further stores a master key KMT in advance, and the management server 14 stores the ID of the management server 14 and the individual key KMT.
The PK is stored.

[0122] The management server 14
The ID of the mobile phone 11 is supplied, and a hash function is applied to the ID and the master key KMK of the mobile phone 11 to generate the same key as the individual key KPT of the mobile phone 11.

[0123] The mobile phone 11 receives
The management server 14 is supplied with an ID, and a hash function is applied to the ID and the master key KMT of the management server 14 to generate the same key as the individual key KPK of the management server 14. By doing so, a common individual key is shared by both the mobile phone 11 and the management server 14. A temporary key is further generated using these individual keys.

In step S1102, the purchase instruction program 142 of the mobile phone 11 determines the content ID corresponding to the desired content and the device I of the mobile phone 11.
A content purchase request is transmitted to the management server 14 via the network 3 together with the D, the user ID, the processing request after the download, and the like. In step S1202, the content purchase processing program 152 of the management server 14 receives a content purchase request from the mobile phone 11.

In step S1203, the authentication program 151 of the management server 14 authenticates the shop server 4. In step S1301, the authentication program 182 of the shop server 4 authenticates the management server 14. The authentication processing in steps S1203 and S1301 is the same as the authentication processing in steps S1101 and S1201.

In step S1204, the content purchase processing program 152 of the management server 14 transmits a content purchase request to the shop server 4 together with the content ID corresponding to the desired content. In step S1302, the content management program 183 of the shop server 4 receives the content purchase request transmitted from the management server 14.

In step S1303, the content management program 183 of the shop server 4 reads out the content (encrypted) corresponding to the content ID received in the processing of step S1302 and the usage conditions from the content database 184, and performs key management. The program 185 is made to supply the content key corresponding to the content, and the content and the use condition are transmitted to the management server 14. The content management program 183
The content key is encrypted with the temporary key generated in the authentication process, and transmitted to the management server 14.

[0128] In step S1205, the content purchase processing program 152 of the management server 14 receives the content, the use condition, and the content key transmitted by the shop server 4. The content purchase processing program 152 decrypts the content key with the temporary key generated in the authentication processing.

When the mobile phone 11, the personal computer 12, and the PDA 13 simultaneously request the purchase of the content, the management server 14 proceeds to step S1.
Steps 204 to S1205 are simultaneously executed. The management server 14 executes step S1
204 to step S1205 are performed by the mobile phone 11, the personal computer 12, and the P
Whether one of the DAs 13 is supported is distinguished by, for example, a port number.

In step S1206, the content purchase processing program 152 causes the content, the content key, and the use condition to be stored in the content database 155.

[0131] The content purchase processing program 152
In the content management program 154, the content ID corresponding to the content stored in the content database 155 and the device ID acquired in the process of step S1202
ID and usage conditions (for example, the number of check-outs allowed) obtained by referring to the user management table 161 based on the
Are stored in the content management table 162.

Before the content purchase processing, if the content management table 162 is in the state shown in FIG. 11, for example, when the user of the mobile phone 11 purchases the content having the content ID “B456”, As shown in FIG. 12, the table 162 is associated with the content ID “B456”,
“AAA” which is the user ID of the user of the mobile phone 11 is stored. Since the newly purchased content has not been checked out, the content I of "B456"
The device ID corresponding to D is empty.

In step S1207, the authentication program 151 of the management server 14 authenticates the accounting server 5. In step S1401, the authentication program 187 of the accounting server 5 authenticates the management server 14. The authentication process in steps S1207 and S1401 is performed in steps S1101 and S120.
1 is the same as the authentication process.

At step S1208, the payment processing program 152 of the management server 14
The request for payment is transmitted to the charging server 5 via The payment request includes the credit card number of the user of the mobile phone 11 and the like obtained by referring to the user management table 161 based on the device ID obtained in the process of step S1202, and is generated in the authentication process. Encrypted with a temporary key. In step S1402, the charging processing program 188 of the charging server 5 receives the payment request transmitted by the management server 14. In step S1403, the charging processing program 188 of the charging server 5
Based on the payment request received in the processing of step S1402, payment processing to the credit card company is executed, and if the processing request after download included in the content request is null, the processing ends.

As described above, upon receiving the content purchase request from the mobile phone 11, the management server 14 purchases the content from the shop server 4, records the content, and requests the accounting server 5 to pay.

In step S1102, the purchase instruction program 142 of the mobile phone 11 determines the content ID corresponding to the desired content and the mobile phone 1
The content purchase request may be transmitted to the management server 14 via the network 3 together with the user ID of the first user.

Next, command input, menu selection,
A process of purchasing and checking out content at the same time as clicking a button or performing an operation related to the displayed screen will be described with reference to a flowchart of FIG. The processing in steps S2101 to S2403 is performed in step S1 in FIG.
Since the processes from 101 to S1403 are the same, the description thereof is omitted.

In step S2209, if the processing request after downloading the content request is a check-out instruction, the content purchase processing program 152 of the management server 14 instructs the content management program 154 to perform a check-out.
4 reads out the content, the content key, and the use condition stored in the content database 155 in the process of step S2206 from the content database 155, and transmits them to the mobile phone 11 via the network 3. In step S2210, the content management program 154 subtracts 1 from the possible number of checkouts corresponding to the transmitted content stored in the content management table 162, and stores the usage condition corresponding to the transmitted content in the content database 155. Let me update.

[0139] In step S2103, the content management program 144 of the mobile phone 11 receives the content, the content key, and the use condition transmitted by the management server 14. In step S2104, the content management program 144 of the mobile phone 11 causes the storage unit 39 to store the content, the content key, and the usage conditions received in the process in step S2103.

Purchase instruction program 14 for mobile phone 11
2 transmits the content purchase request to the management server 14 via the network 3 together with the content ID corresponding to the desired content and the user ID of the user of the mobile phone 11 in step S2102. The process of step S2212 is performed.

In step S2105, the content management program 144 of the mobile phone 11 sends the device ID of the mobile phone 11 stored in advance to the management server 14 via the network 3. In step S2211, the content management program 1 of the management server 14
54 receives the device ID of the mobile phone 11. In step S2212, the content management program 154 of the management server 14 assigns the device ID of the mobile phone 11 to the content management table 162 in association with the content ID of the content transmitted in step S2209.
And the process ends.

In step S2212, the content management program 154 of the management server 14 may record the ID of the mobile phone 201 received in the authentication process in the content management table 162. Also,
In step S2212, the content management program 154 of the management server 14 uses the user management table 16 based on the user ID acquired in the process of step S2202.
1 may be recorded in the content management table 162.

As described above, the mobile phone 11 records the desired content on the management server 14 by simply requesting the management server 14 to purchase the desired content, and transfers the content from the management server 14 to the mobile phone 11. Can be checked out.

Next, from the management server 14 to the mobile phone 11
The process of checking out the contents will be described with reference to the flowchart of FIG. In step S3101, the authentication program 141 of the mobile phone 11 authenticates the management server 14 via the network 3. In step S3201, the authentication program 151 of the management server 14 authenticates the mobile phone 11.

Steps S3101 and S32
01 is the same as the authentication process in steps S1101 and S1201.

In step S3102, the display / operation instruction program 143 of the mobile phone 11 sends a request for a list of contents (including the user ID of the user of the mobile phone 11) to the management server 14 via the network 3. Send. In step S3202, the content management program 154 of the management server 14 receives the content list request.

In step S3203, the content management program 154 of the management server 14
Based on the user ID received in the process of 3202, the content corresponding to the user ID of the user of the mobile phone 11, from the content management table 162, that is, the mobile phone 11
Read the data of the content purchased by the user of
A list of contents purchased by the user of the mobile phone 11 (consisting of music titles of the content) is transmitted to the mobile phone 11 via the network 3. In step S3103, the display operation instruction program 143 of the mobile phone 11 receives a list of contents purchased by the user of the mobile phone 11.

[0148] In step S3104, the display operation instruction program 143 of the mobile phone 11 displays a list of contents on the display unit 36, and based on a signal from the input unit 35 corresponding to the operation of the user of the mobile phone 11, Select the content in the list.

In this case, the content management program 15
4 is, for example, the device ID of the content checked out, which is recorded in the content management table 162 in association with the content ID, as illustrated in FIG.
By transmitting the content to the mobile phone 11 in association with the song title of the content, the mobile phone 11 causes the display unit 36 to display the device ID of the checkout destination in association with the song title of the content, as shown in FIG. be able to.

With such a display, the user of the portable telephone 11 can know the device from which the desired content has been checked out.

In step S3105, the content management program 144 issues a request to check out the content selected in the processing in step S3104 (user I
D and the content ID of the selected content are included in the management server 14 via the network 3.
Send to In step S3204, the content management program 154 of the management server 14 receives the content checkout request.

In step S 3205, the content management program 154 of the management server 14 uses the data stored in the content management program 162 to
It is determined whether the number of checkouts of the requested content is 1 or more. If it is determined that the number is 1 or more, a check is performed based on the user ID and the content ID included in the checkout request. The content requested to be output, the content key corresponding to the content, and the usage condition are read from the content database 155 and transmitted to the mobile phone 11 via the network 3. In step S3206, the content management program 154 subtracts 1 from the possible number of checkouts corresponding to the transmitted content stored in the content management table 162, and updates the usage condition corresponding to the content transmitted to the content database 155. Let it.

[0153] In step S3106, the content management program 144 of the mobile phone 11 receives the content, the content key, and the usage conditions transmitted by the management server 14. In step S3107, the content management program 144 of the mobile phone 11 causes the storage unit 39 to store the content, the content key, and the usage conditions received in the process in step S3106.

In step S3108, the content management program 144 of the mobile phone 11 transmits the device ID of the mobile phone 11 stored in advance to the management server 14 via the network 3. In step S3207, the content management program 1 of the management server 14
54 receives the device ID of the mobile phone 11. In step S3208, the content management program 154 of the management server 14 associates the device ID of the mobile phone 11 with the content management table 162 in association with the content ID of the content transmitted in step S3205.
And the process ends.

As described above, the management server 14 can check out the content purchased by the user of the mobile phone 11 to the mobile phone 11 in response to the request from the mobile phone 11.

The mobile phone 11 is connected to the management server 14
The management server 14 may transmit a checkout request including the content ID and the device ID to the management server 14 based on the device ID and the user management table 161.

Next, the process of checking in the content stored in the mobile phone 11 and then checking out the desired content will be described with reference to the flowchart of FIG. Steps S4101 to S41
The process of step 03 is the same as the process of steps S3101 to S3103 in FIG. 14, and a description thereof will be omitted.

In step S4104, the display operation instruction program 143 of the mobile phone 11 causes the display unit 36 to display a list of contents, and displays the list based on the signal from the input unit 35 corresponding to the operation of the user of the mobile phone 11. Select the content to check in and the content to check out.

In step S4105, the content management program 144 of the mobile phone 11 stores the content in the storage unit 39.
Is transmitted to the management server 14 via the network 3 (including the user ID and the content ID of the content to be checked in). In step S4106,
The content management program 144 of the mobile phone 11
The content stored in the storage unit 39 is deleted.

[0160] In step S4204, the content management program 154 of the management server 14 receives the request for content check-in. Step S4205
, The content management program 154 adds 1 to the number of possible check-outs corresponding to the user ID and the content ID included in the received check-in request stored in the content management table 162, and At 155, the use condition corresponding to the checked-in content is updated.

Before the content check-in process, when the content having the content ID “A123” is checked out to the mobile phone 11 (the device ID is “X789”), as shown in FIG. The number of possible check-outs corresponding to the content ID of “A123” in the content management table 162 is set to 2, and the device ID corresponding to the content ID of “A123”
Is set to "X789".

When the content “A123” is checked in from the mobile phone 11, as shown in FIG. 19, a check corresponding to the user ID “AAA” and the content ID “A123” in the content management table 162 is performed. The number of possible outs is incremented by 1 to 3, and the device ID corresponding to the user ID “AAA” and the content ID “A123” becomes empty.

In step S4206, the content management program 154 sets the content management table 16
2 deletes the device ID corresponding to the content ID included in the received check-in request.

Steps S4107 to S421
Step 1 is the same as step S3105 to step S3208 in FIG. 14, and a description thereof will be omitted.

After the mobile phone 11 checks in the content, the content is checked out.
When the storage space of the storage unit 39 of the mobile phone 11 is relatively free, at least the content can be checked out.

The content management table 16 shown in FIG.
When the content corresponding to “B456” is checked out to the mobile phone 11 from the state corresponding to No. 2, “AA” in the content management table 162 is displayed as shown in FIG.
The number of possible check-outs corresponding to the user ID of “A” and the content ID of “B456” is obtained by subtracting 1 to 2, and “X789” is set to 2 for the device ID corresponding to the content ID of “B456”. Is set.

As described above, after the portable telephone 11 checks in the stored content, the management server 14
Can check out the content purchased by the user of the mobile phone 11 to the mobile phone 11 in response to a request from the mobile phone 11.

Next, an example of the configuration of the second function of the digital data transmission system of the present application will be described with reference to FIG. The same parts as those shown in FIG. 7 are denoted by the same reference numerals, and description thereof will be omitted.

When the content management program 191 requests the management server 14 to check out a desired content, the content management program 191 receives the content key transmitted from the management server 14 and the usage conditions of the content. The content management program 191 receives the content transmitted by the shop server 4, and stores the received content in the storage unit 39 in association with the content key and the usage condition.

The content management program 191 manages, for example, whether to permit or prohibit the reproduction of the content stored in the storage unit 39 based on the usage conditions of the content stored in the storage unit 39. At the same time, the storage unit 39 updates the use condition corresponding to the content in response to the reproduction of the content stored in the storage unit 39 and the like.

When requesting the management server 14 to check in desired content, the content management program 191 deletes the content requested to be checked in, the content key, and the usage conditions stored in the storage unit 39.

The content purchase processing program 192 of the management server 14 responds to the request for purchase of the desired content transmitted from the mobile phone 11, the personal computer 12, or the PDA 13 in response to the request for purchase of the desired content. Send to 4. When the content key and the use condition are transmitted from the shop server 4, the content purchase processing program 192 receives the content key and the use condition, and causes the content management program 193 to record the received content key and the use condition.

When the content is purchased, the content management program 193 records the content key and the usage conditions, and associates the content ID with the user ID of the user who purchased the content, The use condition (for example, the number of check-outs allowed) is stored in the content management table 194.

The content management table 194 includes, for example, as shown in FIG. 22, a content ID, a content supply source address, and a usage ID corresponding to a user ID for specifying a user of the mobile phone 11, the personal computer 12, or the PDA 13. The table stores the number of possible check-outs or the device ID as an example of the condition.

For example, in the example shown in FIG. 22, the user ID of the user who purchased the content having the content ID “A123” is “AAA”, and the content ID is “A123”.
Is “A123” (for example, the URL of the shop server 4 (Uniform Resource Locato).
r)), the number of times that the content whose content ID is “A123” can be checked out is two, and the device ID of the device whose content ID is “A123” is checked out is “X789”. (E.g., corresponding to the mobile phone 11).

When a content purchase request is received from the management server 14, the content management program 195 of the shop server 4 reads out usage conditions of the content from the content database 184, and reads the content corresponding to the content from the key management program 185. The key is read out and transmitted to the management server 14 via the network 3. When the content management program 195 requests transmission of content from the mobile phone 201,
The content is read from the content database 184 and transmitted to the mobile phone 11 via the network 3.

Next, the process of purchasing content in the management server 14 in the digital data transmission system having the function configuration shown in FIG. 21 will be described with reference to the flowchart in FIG. Step S5101 to Step S5
The processing of 302 is the same as the processing of steps S1101 to S1302 in FIG. 10, and a description thereof will be omitted.

[0178] In step S5303, the content management program 183 of the shop server 4 determines the use condition of the content corresponding to the content ID received in the processing of step S5302 in the content database 184.
And transmits the usage conditions to the management server 14.
The content management program 195 causes the key management program 185 to supply a content key corresponding to the content, encrypts the content key with the temporary key generated in the authentication process, and transmits the encrypted content key to the management server 14.

[0179] In step S5205, the content purchase processing program 192 of the management server 14 receives the use condition and the content key transmitted by the shop server 4. The content purchase processing program 192 decrypts the content key with the temporary key generated in the authentication processing.

In step S5206, the content purchase processing program 192 causes the content management program 193 to store the content key and the usage conditions.

The content purchase processing program 192 is
In the content management program 154, the stored content key, the content ID corresponding to the use condition, the content supply source address, and the like are stored in the content management table 194.
To be stored.

At step S5207, the authentication program 151 of the management server 14 authenticates the accounting server 5. In step S5401, the authentication program 187 of the accounting server 5 authenticates the management server 14. The authentication processing in steps S5207 and S5401 is performed in steps S1101 and S120.
1 is the same as the authentication process.

In step S5208, the payment processing program 153 of the management server 14
The request for payment is transmitted to the charging server 5 via The payment request includes the credit card number of the user of the mobile phone 11 and the like, and is encrypted with the temporary key generated in the authentication process. In step S5402, the charging processing program 188 of the charging server 5 receives the payment request transmitted by the management server 14. Step S5
At 403, the charging processing program 1 of the charging server 5
In step 88, the payment process to the credit card company is executed based on the payment request received in step S5402, and the process ends.

As described above, when receiving the content purchase request from the mobile phone 11, the management server 14 purchases the content from the shop server 4, records the usage conditions of the content (the content is not recorded), and charges Request payment to the server 5.

The process of transmitting the usage conditions from the management server 14 to the mobile phone 11 in the digital data transmission system having the configuration of the functions shown in FIG. 21 will be described with reference to the flowchart of FIG. The processing in steps S6101 to S6104 is performed in step S31 in FIG.
01 to S3104,
The description is omitted.

[0186] In step S6105, the content management program 191 sends a use condition transmission request (including the content ID of the selected content) corresponding to the content selected in step S6104.
Is transmitted to the management server 14 via the network 3. In step S6204, the content management program 193 of the management server 14 receives the content use condition transmission request.

[0187] In step S6205, the content management program 193 of the management server 14 transmits the usage condition, the content key, and the content supply source address requested for transmission to the mobile phone 1 via the network 3.
Send to 1. In step S6206, the content management program 193 sets the content management table 1
The number of possible check-outs corresponding to the transmitted use condition stored in 94 is reduced by one, and the transmitted use condition is updated to the content database 155.

[0188] In step S6106, the content management program 191 of the mobile phone 11 receives the content key, the use condition, and the content supply source address transmitted by the management server 14. In step S6107, the content management program 1 of the mobile phone 11
The control unit 91 causes the storage unit 39 to store the content key, the usage condition, and the content supply source address received in the process of step S6106.

[0189] In step S6108, the content management program 191 of the mobile phone 11 transmits the device ID of the mobile phone 11 stored in advance to the management server 14 via the network 3. In step S6207, the content management program 1 of the management server 14
93 receives the device ID of the mobile phone 11. In step S6208, the content management program 193 of the management server 14 records the device ID of the mobile phone 11 in the content management table 194 in association with the content ID corresponding to the use condition transmitted in step S6205, and Ends.

As described above, the management server 14 can transmit the usage conditions of the content purchased by the user of the mobile phone 11 to the mobile phone 11 in response to the request from the mobile phone 11.

Referring to the flowchart of FIG. 25, a description will be given, with reference to the flowchart of FIG. 25, of a process in which the portable telephone 11 storing the use conditions of the content in the digital data transmission system having the configuration of the functions shown in FIG. In step S7101, the display operation instruction program 143
Is displayed on the display unit 36, such as a song title of the content storing the use condition, and the input unit 3 corresponding to the operation of the user.
5 to select the content to be reproduced.
In step S7102, the content management program 191 determines whether or not the content is reproducible.
, A transmission request for the selected content is transmitted to the shop server 4 supplied to the content supply source address.

In step S7301, the content management program 195 of the shop server 4 receives a content transmission request from the mobile phone 11. In step S7302, the content management program 195 of the shop server 4 reads the content (encrypted) corresponding to the transmission request from the mobile phone 11 from the content database 184, and sends the content to the mobile phone 11 via the network 3. Send.

In step S7103, the content reproduction program 145 of the mobile phone 11 receives the content transmitted by the shop server 4. Step S7
At 104, the content reproduction program 145 of the mobile phone 11 reproduces the received content, and the process ends.

After the content received in the processing of step S7103 is stored in the storage unit 39,
Playback may be performed in the process of 7104, or so-called stream playback may be executed.

As described above, the management server 14 records only the usage conditions corresponding to the purchased content, and does not need to record the purchased content. Management server 14
Transmits the usage conditions to the mobile phone 11 when the mobile phone 11 reproduces the content.

When reproducing the content, the mobile phone 11 receives the content directly from the shop server 4 and, based on the usage conditions received from the management server 14,
The received content can be reproduced.

Note that the management server 14 stores the mobile phone 11
The content is purchased or the content is checked out in response to a request from the personal computer 12 or the PDA 13 in the same manner as the process for.

Next, another embodiment of the digital data transmission system will be described. FIG. 26 is a diagram showing another embodiment of the digital data transmission system according to the present invention. The same parts as in the case of the configuration described in FIG.
The same numbers as those in FIG. 4 are assigned, and description thereof is omitted.

The portable telephone 201 is configured so that the portable medium 202 can be mounted thereon, and is connected to the network 3 by radio. The mobile phone 201 stores the content (compressed and encrypted by a predetermined method) checked out from the management server 14 via the network 3 together with the usage conditions in the attached portable medium 202. Let it.

The portable medium 202 has a storage medium such as a flash memory therein,
01 is detachable.

[0201] The mobile phone 201 reproduces the content stored in the attached portable medium 202 based on the usage conditions corresponding to the content, and outputs the content to headphones or speakers (not shown). The user can check out desired contents from the management server 14 at a desired place while carrying the mobile phone 201, and store the contents in the portable medium 202. The user uses the mobile phone 201
Then, the user can play back the content stored in the portable medium 202 and listen to music or the like corresponding to the content with headphones or the like.

The program described below with reference to FIG. 28 of the cellular phone 201 uses a usage condition designated by the copyright holder for each content for the purpose of preventing copyright infringement due to unauthorized secondary use of the content. It is composed of a group of modules that perform control so that the content can be used only by. The usage conditions include content playback conditions, copy conditions, transfer conditions, storage conditions, and the like.

[0203] When the portable medium 202 is mounted on the portable telephone 201, the program of the portable telephone 201 authenticates the validity of the portable medium 202, and authenticates the use conditions specified by the shop server 4 in a secure manner. In addition to (encrypted), the portable medium 202 records the content. The program of the mobile phone 201 generates a necessary key, manages the key, or controls communication with the connected portable medium 202 in accordance with a process of moving the content.

FIG. 27 is a diagram illustrating the configuration of mobile phone 201. Each of the CPU 221 to the communication unit 228 is the same as each of the CPU 31 to the communication unit 38 in FIG. 5, and a description thereof will not be repeated.

[0205] The audio reproducing section 227 reproduces the audio data of the communication partner supplied from the communication section 228 or the content stored in the portable medium 202 supplied from the interface 229, and outputs the audio.

The interface 229 includes the CPU 221 and the R
The data supplied from the AM 223 or the communication unit 228 is stored in the attached portable medium 202, and data such as content is read from the attached portable medium 202, and the CPU 221 and the R
It is supplied to the AM 223 or the audio reproduction unit 227.

Interface 230 and drive 2
Each of 41 is the same as each of the interface 40 and the drive 51 of FIG. 5, and the description thereof will be omitted.

Next, an example of the configuration of the third function of the digital data transmission system of the present invention will be described with reference to FIG. The same parts as those shown in FIG. 7 are denoted by the same reference numerals, and description thereof will be omitted.

[0209] The mobile phone 201 operates in the authentication program 26.
1. Purchase instruction program 262, display operation instruction program 263, content management program 264, content reproduction program 265, and communication program 266
And so on.

[0210] The authentication program 261 is used for the public network 12
1 authenticates the management server 26 or the shop server 4 via the network 3 and
01 is authenticated for the portable medium 202 attached to the portable medium.

The purchase instruction program 262 is transmitted to the management server 14 via the public network 121 and the network 3.
To send a request to purchase the content.

The display operation instruction program 263 receives, from the management server 14, data (for example, song titles or usage conditions) related to the content stored in the management server 14 via the public line network 121 and the network 3. Then, the data related to the content recorded by the management server 14 is displayed on the display unit 36.

[0213] The display operation instruction program 263 reads out data (for example, a song name or usage conditions) related to the content stored in the mounted portable medium 202 from the portable medium 202 via the interface 229. , On the display unit 36.

[0214] The display operation instruction program 263 causes the content management program 264 to execute a process such as checkout when an instruction such as checkout is input in response to an operation of the input unit 35. The display operation instruction program 263, when an instruction to reproduce the content is input in response to the operation of the input unit 35, executes the content reproduction program based on the management of the use of the content based on the use condition by the content management program 264. In step 265, a process of reproducing the content stored in the portable medium 202 is executed.

The content management program 264 manages the use of the content stored in the portable medium 202 based on the usage conditions of the content stored in the portable medium 202, and checks out the content to the management server 14. Or a program to request check-in.

[0216] The content management program 264 manages, for example, whether to permit or prohibit reproduction of the content stored in the portable medium 202 based on the usage conditions of the content stored in the portable medium 202. At the same time, the portable medium 202 is made to update the use condition corresponding to the content in response to the reproduction of the content stored in the portable medium 202 or the like.

When the management server 14 requests the management server 14 to check out a desired content, the content management program 264 receives the content, the content key, and the usage conditions of the content transmitted by the management server 14, and receives the content key and the usage key. The received content is stored in the portable medium 202 according to the condition.

When the management server 14 requests the management server 14 to check in desired content, the content management program 264 causes the portable medium 202 to delete the content, the content key, and the usage conditions for which check-in has been requested.

[0219] When content reproduction is permitted by the content management program 264, the content reproduction program 265 decodes the content stored in the portable medium 202 and causes the audio reproduction unit 37 to output audio corresponding to the content. .

[0220] The communication program 266 is a PHS or I
This is a program for connecting to the ISP 122 via a public line network 121 such as an MT. Communication program 26
6 includes procedures such as IP, HTTP, and Wap, and communicates with the shop server 4, the billing server 5, the management server 14, and the like via the network 3, and communicates with the portable media 202 via the interface 230. It is a program to do.

When the authentication program 261 to the content management program 264 requests the management server 14 to purchase the content or to check out the content via the public line network 121 and the network 3, the authentication program 261 to the content management The program 264 causes the communication program 266 to transmit data corresponding to a content purchase request or a content checkout request.
To receive the transmitted data.

[0222] The portable medium 202 executes an authentication program 281, a content management program 282, and a communication program 266.

The authentication program 281 is used for the portable telephone 20.
Authenticate 1.

[0224] The content management program 282 stores the content, the content key, and the usage rule corresponding to the content, and controls reading of the content and the like based on the usage rule. Content management program 28
Reference numeral 2 stores and manages the content key supplied from the mobile phone 201 by encrypting the content key with a storage key stored in advance. The communication program 266 is a program for communicating with the mobile phone 201 via the interface 229 of the mobile phone 201.

[0225] When the content database 155 stores the purchased content, the content key, and the usage conditions, the content management program 291 associates the content with the user ID of the user who purchased the content, and specifies the purchased content. The ID and the usage conditions are stored in the content management table 292.

The content management table 292 is, for example, as shown in FIG. 29, an example of a content ID and usage conditions corresponding to a user ID for specifying a user of the mobile phone 201, the personal computer 12, or the PDA 13. Stores the number of times that checkout is possible, a device ID or a medium ID, and the like.

The number of possible check-outs is
Indicates the number of times that the content corresponding to D can be checked out. The device ID is an ID for specifying a device (for example, the personal computer 12 or the PDA 13) that has checked out the content. The medium ID is the portable medium 2 whose contents have been checked out.
02 is an ID for specifying a medium.

When the content management program 291 checks out the content to a removable medium, the medium ID of the medium is stored in the medium ID of the content management table 292, and the content is stored in a device (user However, the media cannot be removed in the usual way)
When you check out, the content management table 2
The device ID of the device is stored in the device ID 92.

The content management program 291 identifies the device ID or the medium ID by making the device ID and the medium ID different from each other (for example, by changing the number of bits). You may do so.

Alternatively, the device ID and the medium ID to be used are recorded in advance in the user management table 161 together with the identification data (indicating either the device ID or the medium ID), and the content management program 291 executes the user management. With reference to the table 161, it may be determined whether the ID is one of the device ID and the medium ID.

For example, in the example shown in FIG. 29, the user ID of the user who purchased the content having the content ID “A123” is “AAA” and the content ID is “A123”.
The number of times that the content whose content is "A123" can be checked out is two times, and the medium ID of the medium whose content whose content ID is "A123" is checked out.
Is "AZ555" (for example, portable media 202).
).

The user ID of the user who purchased the content having the content ID “B456” is “AAA”, and the number of times that the content having the content ID “B456” can be checked out is one. ID
The device ID of a device whose content is “B456” is checked out is “X789” (for example, the mobile phone 11
And "Z213".

[0233] The content management program 291 is stored in the mobile phone 201, the personal computer 12, or the P
Check-out request from DA13 (content ID
And the device ID or the medium ID are attached), it is determined based on the data stored in the content management table 292 whether or not the request is from the user who purchased the content. If the request is determined to be a request from the user who purchased the content, it is further determined whether or not the number of times that the content can be checked out is one or more based on the usage conditions.

When it is determined that the number of times that the content can be checked out is 1 or more, the content management program 291 reads the content corresponding to the content ID, the content key,
And the usage conditions are read out and transmitted to the mobile phone 201, the personal computer 12, or the PDA 13 which has requested the check-out via the network 3.

[0235] The content management program 291 transfers the content to the mobile phone 201 and the personal computer 1.
2, or when transmitted to the PDA 13, subtracts 1 from the number of possible checkouts corresponding to the content stored in the content management table 292, and records the device ID or the medium ID in the content management table 292.

[0236] The content management program 291 transfers the content to the mobile phone 201 and the personal computer 1.
2, or when there is a request for content check-in from the PDA 13, the user I received with the request
Based on D, the content ID, and the device ID or the device ID, 1 is added to the number of checkouts stored in the content management table 292 corresponding to the content to be checked in. The device ID of the device requesting the check-in or the medium ID of the medium is deleted from the medium ID.

Next, content purchase processing in the digital data transmission system having the function configuration shown in FIG. 28 will be described with reference to the flowchart in FIG.
The processing in steps S8101 to S8403 is as follows:
The processing is the same as the processing in steps S1101 to S1403 in FIG. 10, and a description thereof will be omitted.

Next, another processing of content purchase in the digital data transmission system having the function configuration shown in FIG. 28 will be described with reference to the flowchart in FIG. The processing in steps S9101 to S9103 is performed in steps S2101 to S2103 shown in FIG.
Since the processing is the same as the processing in step 103, the description thereof is omitted.

[0239] In step S9104, the content management program 264 of the mobile phone 201 causes the communication program 266 to transmit the content, the content key, and the usage condition of the content received in the process of step S9103 to the portable medium 202. In step S9501, the content management program 282 of the portable medium 202 receives the content, the content key, and the usage condition of the content transmitted by the mobile phone 201.

In step S9502, the content management program 282 of the portable medium 202
The content, the content key, and the use condition of the content received in the process of step S9501 are stored.

[0241] In step S9105, the content management program 264 of the portable telephone 201 authenticates the portable medium 202 (executed when the portable medium 202 is attached to the portable telephone 201). Is transmitted to the management server 14 via the network 3. In step S9211, the content management program 291 of the management server 14
Of the media ID. In step S9212, the content management program 291 of the management server 14 records the medium ID of the portable medium 202 in the content management table 292 in association with the content ID of the content transmitted in step S9209, and the process ends. .

As described above, the mobile phone 201 only requests the management server 14 to purchase desired content.
The desired content can be recorded on the management server 14, and the content can be checked out from the management server 14 to the portable medium 202.

Next, a content checkout process in the digital data transmission system having the configuration shown in FIG. 28 will be described with reference to the flowchart in FIG. Step S10101 to step S101
The process of step 06 is the same as the process of steps S3101 to S3106 in FIG. 14, and a description thereof will be omitted.

[0244] In step S10107, the content management program 264 of the mobile phone 201 causes the communication program 266 to transmit the content, the content key, and the usage condition of the content received in the process of step S10106 to the portable medium 202. In step S10501, the portable medium 202
The content management program 282 of the mobile phone 20
1 receives the content, the content key, and the usage condition of the content transmitted by the first device.

In step S 10502, the content management program 282 of the portable medium 202
Stores the content, the content key, and the usage condition of the content received in the process of step S10501.

[0246] In step S10108, the content management program 264 of the portable telephone 201 authenticates the portable medium 202 (executed when the portable medium 202 is attached to the portable telephone 201). Medium ID
Is transmitted to the management server 14 via the network 3.
In step S10207, the content management program 291 of the management server 14
02 media ID is received. In step S10208, the content management program 291 of the management server 14
Corresponds to the portable medium 2 corresponding to the content ID of the content transmitted in the process of step S10205.
02 is recorded in the content management table 292, and the process ends.

As described above, the management server 14 can check out the content purchased by the user of the mobile phone 11 to the portable medium 202 in response to the request from the mobile phone 11.

Next, in the digital data transmission system having the configuration of the functions shown in FIG. 28, the process of checking in the content stored in the portable telephone 11 and then checking out the desired content is shown in the flowchart of FIG. This will be described with reference to FIG. Step S11101
The processing from step S11104 to step S11104 is the same as the processing from step S4101 to step S4104 in FIG. 17, and a description thereof will be omitted.

[0249] In step S11105, the content management program 264 of the mobile phone 201 checks the content stored in the portable medium 202 (including the user ID, the medium ID, and the content ID of the content to be checked in). Is sent to the management server 14 via the network 3.

In step S11204, the content management program 291 of the management server 14 receives a content check-in request. Step S112
At 05, the content management program 291 adds 1 to the number of possible check-outs corresponding to the content ID and the user ID included in the received check-in request and stored in the content management table 292, and The use condition corresponding to the content checked in to the database 155 is updated.

In step S11206, the content management program 291 sets the content management table 2
The medium ID corresponding to the content ID and the user ID contained in the received check-in request stored in 92 is deleted.

[0252] In step S11106, the content management program 264 of the mobile phone 201 transmits a request for erasing the content to the portable medium 202. In step S11502, the content management program 262 of the portable medium 202 deletes the content.

Steps S11107 to S11
The processing of 211 is the same as the processing of steps S10105 to S10208 of FIG. 32, and thus description thereof will be omitted.

As described above, after the mobile phone 201 checks in the content stored in the portable medium 202, the management server 14
In response to the request from the user, the content purchased by the user of the mobile phone 11 can be checked out to the portable medium 202.

Next, an example of the configuration of the fourth function of the digital data transmission system of the present invention will be described with reference to FIG. The same portions as those shown in FIG. 28 are denoted by the same reference numerals, and description thereof will be omitted.

When the content management program 321 requests the management server 14 to check out desired content, the content management program 321 receives the content key transmitted from the management server 14 and the usage conditions of the content. When the management server 14 requests the management server 14 to check out desired content, the content management program 321 receives the content transmitted by the shop server 4 and associates the received content with the content key and the usage condition by using the portable medium 202. To memorize.

[0257] The content management program 321 manages, for example, whether to permit or prohibit the reproduction of the content stored in the portable medium 202 based on the usage conditions of the content stored in the portable medium 202. At the same time, the portable medium 202 is made to update the use condition corresponding to the content in response to the reproduction of the content stored in the portable medium 202 or the like.

When requesting the management server 14 to check in desired content, the content management program 321 causes the portable medium 202 to erase the content requested to be checked in, the content key, and the usage conditions.

The content purchase processing program 331 of the management server 14 responds to the request for purchase of the desired content transmitted from the mobile phone 201, the personal computer 12, or the PDA 13 in response to the request for purchase of the desired content. Send to 4. When the content key and the usage condition are transmitted from the shop server 4, the content purchase processing program 152 receives the content key and the usage condition, and stores the received content key and the usage condition in the content management program 332.
To record.

When the content is purchased, the content management program 332 records the content key and usage conditions, and associates the content ID with the user ID of the user who purchased the content, The use condition (for example, the number of check-outs allowed) is stored in the content management table 333.

As shown in FIG. 35, for example, as shown in FIG. 35, the content management table 333 is associated with a user ID for identifying a user of the mobile phone 201, the personal computer 12, or the PDA 13; It stores the number of possible check-outs, which is an example of a condition, or a device ID or a medium ID.

For example, in the example shown in FIG. 35, the user ID of the user who purchased the content whose content ID is “A123” is “AAA”, and the content ID is “A123”.
Is "A123" (for example, the URL of the shop server 4) and the content supply source address indicating the address of the server that supplies the content with "A123" is the content ID.
The number of times that the content whose content is "A123" can be checked out is two times, and the medium ID of the medium whose content whose content ID is "A123" is checked out.
Is "AZ555" (for example, portable media 202).
).

When a content purchase request is received from the management server 14, the content management program 341 of the shop server 4 reads the usage conditions of the content from the content database 184, and reads the content corresponding to the content from the key management program 185. The key is read, and the use condition and the content key (encrypted with the temporary key) are transmitted to the management server 14 via the network 3. The content management program 341 is
When there is a request for transmission of the content (including the address of the mobile phone 201) from the management server 14, the content is read from the content database 184 and transmitted to the mobile phone 201 via the network 3.

Next, a content purchase process in the digital data transmission system having the configuration shown in FIG. 34 will be described with reference to the flowchart in FIG.
Steps S12101 to S12403 are performed in steps S5101 to S5 shown in FIG.
Since the processing is the same as the processing in step 403, the description thereof is omitted.

Next, the content checkout processing in the digital data transmission system having the function configuration shown in FIG. 34 will be described with reference to the flowchart in FIG.

In step S13101, the authentication program 261 of the mobile phone 201 authenticates the management server 14 via the network 3. Step S132
01, the authentication program 151 of the management server 14
Authenticates the mobile phone 201.

Step S13101 and step S1
The authentication processing of 3201 is the same as the authentication processing of steps S1101 and S1201.

In step S13102, the display / operation instruction program 263 of the mobile phone 201 sends a request for a list of contents (including the user ID of the user of the mobile phone 201) to the management server 14 via the network 3. Send. In step S13202,
The content management program 332 of the management server 14
Receive a request for a list of content.

[0269] In step S13203, the content management program 332 of the management server 14 determines from the content management table 333 the content corresponding to the user ID of the user of the mobile phone 201, that is, based on the user ID received in step S13202. Then, the data of the content purchased by the user of the mobile phone 201 is read out, and a list of the content purchased by the user of the mobile phone 201 (consisting of music titles of the content) is transmitted to the mobile phone 201 via the network 3. Send. In step S13103, the mobile phone 20
The display operation instruction program 263 of the mobile phone 20
A list of contents purchased by the first user is received.

[0270] In step S13104, the display operation instruction program 263 of the mobile phone 201 sets the display unit 2
26, the content list is displayed on the mobile phone 20.
A content in the list is selected based on a signal from the input unit 225 corresponding to the operation of the first user.

In this case, the content management program 33
2 is, for example, a mobile phone corresponding to the device ID or medium ID of the content checked out, which is recorded in the content management table 333 corresponding to the content ID, as illustrated in FIG. 201 to the mobile phone 201
Can cause the display unit 226 to display the device ID or medium ID of the checkout destination in association with the song title of the content.

With such a display, the cellular phone 201
Can also know the device or medium from which the desired content was checked out.

[0273] In step S13105, the content management program 321 issues a request to check out the content selected in step S13104 (including the content ID of the selected content).
The information is transmitted to the management server 14 via the network 3. In step S13204, the content management program 332 of the management server 14 receives the content checkout request.

[0274] In step S13205, the content management program 332 of the management server 14 transmits the use condition of the content requested to be checked out and the content key to the mobile phone 20 via the network 3.
Send to 1. In step S13206, the content management program 332 subtracts 1 from the permitted number of checkouts stored in the content management table 333 corresponding to the transmitted use condition.

[0275] In step S13106, the content management program 321 of the mobile phone 201 receives the content use condition and the content key transmitted by the management server 14.

[0276] In step S13207, the content management program 332 of the management server 14 transmits a content transmission request (including the content ID and the address of the mobile phone 201) to the shop server 4 via the network 3. In step S13301, the content management program 34 of the shop server 4
1 reads the content (encrypted) corresponding to the content ID included in the content transmission request from the content database 184, and
To the mobile phone 201 via the.

[0277] In step S13107, the content management program 321 of the mobile phone 201 receives the content transmitted from the shop server 4.

[0278] In step S13108, the content management program 321 of the mobile phone 201 stores the content received in step S13107, the content key received in step S13106, and the usage condition of the content in the communication program 266 in the portable medium. 202 is transmitted. Step S1
In 3501, the content management program 282 of the portable medium 202 receives the content, the content key, and the usage condition of the content transmitted by the mobile phone 201.

[0279] In step S13502, the content management program 282 of the portable medium 202 is executed.
Stores the content, the content key, and the usage condition of the content received in the process of step S13501.

[0280] In step S13109, the content management program 321 of the portable telephone 201 authenticates the portable medium 202 (executed when the portable medium 202 is attached to the portable telephone 201). Medium ID
Is transmitted to the management server 14 via the network 3.
In step S13208, the content management program 332 of the management server 14
02 media ID is received. In step S13209, the content management program 332 of the management server 14
Corresponds to the content ID of the usage rule transmitted in the processing of step S13205, and
2 is recorded in the content management table 333, and the process ends.

The contents management program 321
Is an optical disk 6 such as a CD mounted on the drive 241.
2 may be read. If the content is copyright-managed, the content output from the CD can be reproduced on the mobile phone.

Next, an example of the configuration of the fifth function of the digital data transmission system of the present application will be described with reference to FIG. The same portions as those shown in FIG. 28 are denoted by the same reference numerals, and description thereof will be omitted.

[0283] The purchase program 351 is a public line network 12
1 and the shop server 4 via the network 3
Then, the content purchase request is transmitted together with the address of the management server 14. The content purchase request transmitted by the purchase program 351 includes the content ID of the desired content, the device ID of the mobile phone 201, and the user ID of the user of the mobile phone 201.

When the content management program 352 of the shop server 4 receives the content purchase request from the purchase program 351, the content database 18
4 to read out the content key corresponding to the content from the key management program 185 and read the content key based on the address of the management server 14 received via the network 3 together. , The content key (encrypted with the temporary key), and the use condition are transmitted to the management server 14.

[0285] In response to the content purchase request, the content, the content key, and the usage conditions are transmitted from the shop server 4 to the management server 14, and then the purchase program 351 transmits a payment request to the accounting server 5.

Next, content purchase processing in the case where the mobile phone 201 requests purchase from the shop server 4 and transmits a payment request to the billing server 5 will be described with reference to the flowchart in FIG. In step S14101, the purchase program 351 of the mobile phone 201
A content purchase request (including a device ID and a user ID) is transmitted to the shop server 4 via the network 3. In step S14301, the content management program 352 of the shop server 4 receives a content purchase request.

[0287] In step S14102, the purchase program 351 of the mobile phone 201 transmits the address of the management server 14 to the shop server 4 via the network 3. In step S14302, the content management program 352 of the shop server 4 receives the address of the management server 14.

[0288] In step S14303, the authentication program 182 of the shop server 4 executes step S143.
02, a connection with the management server 14 is established based on the address of the management server 14
4 is authenticated. In step S14201, the authentication program 151 of the management server 14
Authenticate.

Steps S14303 and S1
The processing of 4201 is the same as the processing of steps S1101 and S1201.

[0290] In step S14304, the content management program 352 reads the content (encrypted) corresponding to the content ID received in step S14301 and the usage conditions from the content database 184, and stores the content in the key management program 185. A content key corresponding to the content is supplied.
The content management program 352 transmits the content and the usage conditions to the management server 14 together with the device ID and the user ID. The content management program 352
The content key is encrypted with the temporary key generated in the authentication process, and transmitted to the management server 14.

[0291] In step S14202, the content management program 291 of the management server 14 receives the content, the usage conditions, and the content key transmitted by the shop server 4. Content management program 291
Decrypts the content key with the temporary key generated in the authentication process.

[0292] In step S14203, the content management program 291 sets the content database 1
55 stores a content, a content key, and a use condition in association with the device ID and the user ID.

[0293] In step S14204, the content management program 291 of the management server 14 transmits a notification of the end of the content reception to the mobile phone 201 via the network 3. In step S14103,
The purchase program 351 of the mobile phone 201 receives the notification of the end of the content reception.

[0294] In step S14104, the authentication program 261 of the mobile phone 201 authenticates the accounting server 5. In step S14401, the accounting server 5
Authentication program 187 authenticates the mobile phone 201. Step S14104 and Step S14401
Is the same as the authentication process in steps S1101 and S1201.

[0295] In step S14105, the purchase program 351 of the mobile phone 201 transmits a payment request to the charging server 5 via the network 3. The payment request includes the credit card number of the user of the mobile phone 201 and the like, and is encrypted with the temporary key generated in the authentication process. In step S14402,
The accounting processing program 188 of the accounting server 5 receives the payment request transmitted by the mobile phone 201. In step S14403, the charging processing program 188 of the charging server 5 executes payment processing for the credit card company based on the payment request received in step S14402, and the processing ends.

As described above, the mobile phone 201 transmits the purchase request for the content to the shop server 4, and the management server 103 receives the content from the shop server 4 and records the content. The mobile phone 201
Request payment to the accounting server 5.

Although the content is described as musical tone data, it is not limited to musical tone data, but may be still image data, moving image data, text data, or a program.

Although it has been described that the mobile phone 11, the personal computer 12, or the PDA 13 stores contents, the present invention is not limited to the mobile phone 11, the personal computer 12, or the PDA 13, but a digital video cassette recorder with an imaging function with a communication function, Alternatively, the content may be checked out to an electronic organizer with a communication function.

Further, the mobile phone 11, the personal computer 12, the PDA 13, or the mobile phone 201
Although it has been described that communication is performed by PHS or IMT, PH
Not limited to S or IMT, W-CDMA (Code Division Mult
iple Access), satellite communications, satellite broadcasting, PSTN (Public Sw
itched telephone network), xDSL (x Digital Subscr)
iber Line), ISDN (Integrated Services Digital Net)
work) or a private network.

The above-described series of processing can be executed by hardware, but can also be executed by software. When a series of processing is executed by software, a program constituting the software can execute various functions by installing a computer built into dedicated hardware or installing various programs. It is installed from a program storage medium to a possible general-purpose personal computer or the like.

As shown in FIG. 5 or FIG. 6, a program storage medium for storing a program installed in a computer and made executable by the computer is a magnetic disk 61 or a magnetic disk 101.
(Both include floppy disks), optical disk 62
Alternatively, the optical disk 102 (in each case, a CD-ROM (Compact
Disc-Read Only Memory), DVD (Digital Versatile D)
isc), a magneto-optical disk 63 or a magneto-optical disk 103 (both include an MD (Mini-Disc)), or a package medium including a semiconductor memory 64 or a semiconductor memory 104, or a program temporarily or permanently. ROM32 or ROM8 stored temporarily
2 and the HDD 91. The storage of the program in the program storage medium is performed by the communication unit 38 as necessary.
Alternatively, the communication is performed via a communication unit 93 using a wired or wireless communication medium such as a local area network, the Internet, or digital satellite broadcasting.

[0302] In this specification, the step of describing a program stored in a program storage medium may be performed in a chronological order according to the described order, or may not necessarily be performed in a chronological order. , And also includes processes executed in parallel or individually.

In this specification, the system is
It represents the entire device composed of a plurality of devices.

[0304]

The information processing apparatus and method of the present invention, first
According to the first program storage medium and the first program, the second information providing device transmits the content purchased to the first information providing device together with the data specifying the recording area and the second information providing device. Since transmission of a content purchase request to the information providing apparatus is controlled, desired content can be purchased even when the recording capacity is small.

According to the information providing apparatus and method of the present invention, the second program storage medium, and the second program, the predetermined recording area of the second information processing apparatus transmitted from the first information processing apparatus Reception of data specifying the content and a request for purchase of the content is controlled, and transmission of the content is controlled based on the data specifying the recording area to the second information processing device in response to the request for purchase. As a result, even when the recording capacity of the first information processing apparatus is small, it is possible to purchase desired content.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration of a conventional digital data transmission system.

FIG. 2 is a flowchart illustrating a conventional process of purchasing content.

FIG. 3 is a flowchart illustrating a conventional check-out process.

FIG. 4 is a diagram showing an embodiment of a digital data transmission system according to the present invention.

FIG. 5 is a diagram illustrating a configuration of a mobile phone 11;

FIG. 6 is a diagram illustrating a configuration of a management server 14.

FIG. 7 is a diagram illustrating an example of a configuration of a first function of the digital data transmission system of the present application.

FIG. 8 is a diagram showing an example of a user management table 161.

FIG. 9 is a diagram showing an example of a content management table 162.

FIG. 10 is a flowchart illustrating a content purchase process.

FIG. 11 is a diagram showing an example of a content management table 162.

FIG. 12 is a diagram showing an example of a content management table 162.

FIG. 13 is a flowchart illustrating a process of purchasing and checking out content at the same time.

FIG. 14 is a flowchart illustrating a process of checking out a content.

FIG. 15 is a diagram showing an example of a content management table 162.

FIG. 16 is a diagram showing an example of display on the display unit 36.

FIG. 17 is a flowchart illustrating a process of checking out a content.

FIG. 18 is a diagram showing an example of a content management table 162.

FIG. 19 is a diagram showing an example of a content management table 162.

FIG. 20 is a diagram showing an example of a content management table 162.

FIG. 21 is a diagram illustrating an example of a configuration of a second function of the digital data transmission system of the present application.

FIG. 22 is a diagram showing an example of a content management table 194.

FIG. 23 is a flowchart illustrating a content purchase process.

24 is a flowchart illustrating a process of transmitting a use condition from the management server 14 to the mobile phone 11. FIG.

FIG. 25 is a flowchart illustrating a process in which the mobile phone 11 storing content usage conditions reproduces content.

FIG. 26 is a diagram showing another embodiment of the digital data transmission system according to the present invention.

FIG. 27 is a diagram illustrating a configuration of a mobile phone 201.

FIG. 28 is a diagram illustrating an example of a configuration of a third function of the digital data transmission system of the present application.

FIG. 29 is a diagram showing an example of a content management table 292.

FIG. 30 is a flowchart illustrating a content purchase process.

FIG. 31 is a flowchart illustrating another processing of content purchase.

FIG. 32 is a flowchart illustrating a content checkout process.

FIG. 33 is a flowchart illustrating a process of checking out content.

FIG. 34 is a diagram illustrating a configuration example of a fourth function of the digital data transmission system of the present application.

FIG. 35 is a diagram showing an example of a content management table 333.

FIG. 36 is a flowchart illustrating a content purchase process.

FIG. 37 is a flowchart illustrating a content checkout process.

FIG. 38 is a diagram illustrating an example of a configuration of a fifth function of the digital data transmission system of the present application.

FIG. 39 is a flowchart illustrating a content purchase process.

[Explanation of symbols]

11 mobile phone, 14 management server, 31 CP
U, 32 ROM, 33 RAM, 38 communication unit,
39 storage unit, 61 magnetic disk, 62 optical disk, 63 magneto-optical disk, 64 semiconductor memory, 81 CPU, 82 ROM, 83 RAM,
91 HDD, 93 communication unit, 101 magnetic disk, 102 optical disk, 103 magneto-optical disk, 104 semiconductor memory, 141 authentication program, 142 purchase instruction program, 145 content management program, 151 authentication program, 15
2 Content purchase processing program, 153 payment processing program, 154 content management program,
155 content database, 161 user management table, 162 content management table,
191 content management program, 192 content purchase processing program, 193 content management program, 194 content management table, 201
Mobile phone, 202 portable media, 221
CPU, 222 ROM, 223 RAM, 2
28 communication unit, 229 interface, 264
Content management program, 291 content management program, 292 content management table, 32
1 content management program, 331 content purchase processing program, 332 content management program, 333 content management table, 351 purchase program

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Claims (8)

[Claims] 1. An information processing apparatus that records content in a predetermined recording area of a first information providing apparatus and uses the content recorded in the recording area, wherein the second information providing apparatus includes: Transmission control means for controlling transmission of a request for purchase of the content to the second information providing apparatus, together with data specifying the recording area, so as to transmit the purchased content to the first information providing apparatus. An information processing apparatus characterized by including. 2. An information processing method for an information processing apparatus that records a content in a predetermined recording area of a first information providing apparatus and uses the content recorded in the recording area. Controlling the transmission of the purchase request for the content to the second information providing apparatus together with the data specifying the recording area so as to transmit the content purchased to the first information providing apparatus. An information processing method comprising a transmission control step. 3. An information processing program for recording content in a predetermined recording area of a first information providing apparatus and utilizing the content recorded in the recording area, the second information providing apparatus comprising: Controlling the transmission of the purchase request for the content to the second information providing apparatus together with the data specifying the recording area so as to transmit the content purchased to the first information providing apparatus. A program storage medium storing a computer-readable program, comprising a transmission control step. 4. A program for recording a content in a predetermined recording area of a first information providing apparatus and causing a computer using the content recorded in the recording area to execute the second information providing apparatus. Controlling the transmission of the purchase request for the content to the second information providing apparatus together with the data specifying the recording area so as to transmit the content purchased to the first information providing apparatus. A program including a transmission control step. 5. Data for specifying a predetermined recording area of the second information processing device, transmitted from the first information processing device,
And reception control means for controlling the reception of a purchase request for the content, and in response to the request for the purchase, to the second information processing apparatus, based on the data specifying the recording area, An information providing device comprising: a transmission control unit that controls transmission. 6. A data transmitted from the first information processing device, which specifies a predetermined recording area of the second information processing device,
And a reception control step of controlling reception of a content purchase request; and, in response to the purchase request, to the second information processing apparatus, the content of the content based on the data specifying the recording area. A transmission control step of controlling transmission. 7. Data for specifying a predetermined recording area of the second information processing device, transmitted from the first information processing device,
And a reception control step of controlling reception of a content purchase request; and, in response to the purchase request, to the second information processing apparatus, the content of the content based on the data specifying the recording area. And a transmission control step of controlling transmission. A program storage medium storing a computer-readable program. 8. Data for specifying a predetermined recording area of the second information processing device, transmitted from the first information processing device,
And a reception control step of controlling reception of a content purchase request; and, in response to the purchase request, to the second information processing apparatus, the content of the content based on the data specifying the recording area. And a transmission control step of controlling transmission.