JP2002312146A5 - - Google Patents
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- JP2002312146A5 JP2002312146A5 JP2001111375A JP2001111375A JP2002312146A5 JP 2002312146 A5 JP2002312146 A5 JP 2002312146A5 JP 2001111375 A JP2001111375 A JP 2001111375A JP 2001111375 A JP2001111375 A JP 2001111375A JP 2002312146 A5 JP2002312146 A5 JP 2002312146A5
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- JP
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- Prior art keywords
- print data
- encryption
- client device
- network
- encrypted
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Claims (13)
前記印刷データを暗号化して送信するか否かを選択すると共に、前記暗号化して送信することを選択した場合は、暗号の種類を選択する選択手段と、
前記選択手段によって暗号化が選択された場合に、前記選択手段によって選択された暗号の種類に基づいて、前記印刷データを暗号化する暗号化手段と、
前記選択手段による暗号化して送信するか否かの選択結果に基づいて、前記暗号化手段により暗号化した印刷データ或いは前記印刷データを前記ネットワークを介して送信する送信手段と、
を有することを特徴とするクライアント装置。Used in a network printing system including a printer that is connected to a network, prints based on print data received via the network, and decrypts the print data when the print data is encrypted. A client device,
When selecting whether to encrypt and transmit the print data, and selecting to encrypt and transmit, a selection means for selecting the type of encryption,
An encryption unit that encrypts the print data based on the type of encryption selected by the selection unit when encryption is selected by the selection unit;
A transmission unit that transmits the print data encrypted by the encryption unit or the print data via the network based on a selection result of whether the transmission is performed by the selection unit;
A client device comprising:
当該クライアント装置と印刷を実行するプリンタとの接続状態に基づいて、前記印刷データを送信する際に暗号化が必要か否かを判断する判断手段と、
前記判断手段により暗号化が必要と判断された場合に、前記印刷データを暗号化する暗号化手段と、
前記判断手段の判断結果に基づいて、前記暗号化手段により暗号化した印刷データ或いは前記印刷データを前記ネットワークを介して送信する送信手段と、
を有することを特徴とするクライアント装置。Used in a network printing system including a printer that is connected to a network, prints based on print data received via the network, and decrypts the print data when the print data is encrypted. A client device,
A determination unit that determines whether encryption is necessary when transmitting the print data based on a connection state between the client device and a printer that performs printing;
An encryption unit for encrypting the print data when the determination unit determines that encryption is necessary;
Transmission means for transmitting the print data encrypted by the encryption means or the print data via the network based on the determination result of the determination means;
A client device comprising:
ことを特徴とする請求項2に記載のクライアント装置。The determination unit determines whether the client device and the printer are connected via the Internet, and determines that the encryption is necessary if it is determined that the client device and the printer are connected via the Internet;
The client device according to claim 2.
ことを特徴とする請求項3に記載のクライアント装置。The determination unit determines that the client device and the printer are connected via the Internet when the communication protocol is TCP / IP and the Internet printing protocol.
The client device according to claim 3.
ことを特徴とする請求項2に記載のクライアント装置。The determination unit determines whether the client device and the printer are in the same subnet, and determines that the encryption is not necessary if the client device and the printer are determined to be in the same subnet.
The client device according to claim 2.
前記暗号化手段は、前記選択手段によって選択された暗号の種類に基づいて、前記印刷データを暗号化する、
ことを特徴とする請求項2乃至請求項5の何れか1項に記載のクライアント装置。A selection means for selecting the type of the cipher;
The encryption unit encrypts the print data based on a type of encryption selected by the selection unit;
The client device according to claim 2, wherein the client device is a device.
ことを特徴とする請求項1又は請求項6に記載のクライアント装置。An add / delete means for adding or deleting cipher types selectable by the selecting means;
The client device according to claim 1, wherein the client device is a device.
ことを特徴とする請求項1又は請求項6に記載のクライアント装置。The encryption means performs encryption by changing the encryption type for each predetermined data unit.
The client device according to claim 1, wherein the client device is a device.
前記暗号化手段は、前記組合せ順序に従って、前記暗号の種類を変更する、
ことを特徴とする請求項8に記載のクライアント装置。The selection means selects a plurality of cipher types, and selects a combination order of the selected cipher types,
The encryption means changes the encryption type according to the combination order.
The client device according to claim 8, wherein
前記クライアント装置は、
印刷データを暗号化して送信するか否かを選択すると共に、前記暗号化して送信することを選択した場合は、暗号の種類を選択する選択手段と、
前記選択手段によって暗号化が選択された場合に、前記選択手段によって選択された暗号の種類に基づいて、前記印刷データを暗号化する暗号化手段と、
前記選択手段による暗号化して送信するか否かの選択結果に基づいて、前記暗号化手段により暗号化した印刷データ或いは前記印刷データを前記ネットワークを介して送信する送信手段と、を有し
前記プリンタは、
前記送信手段から送信された前記暗号化した印刷データ或いは前記印刷データを前記ネットワークを介して受信する受信手段と、
前記受信手段によって受信した前記暗号化した印刷データを復号化する復号化手段と、
前記復号化手段によって復号化した印刷データ或いは前記受信手段で受信した印刷データに基づいて印刷を実行する印刷手段と、を有する、
ことを特徴とするネットワーク印刷システム。A network printing system in which a client device and a printer are connected via a network,
The client device is
In addition to selecting whether or not to transmit the print data encrypted, and when selecting to transmit the encrypted data, a selection means for selecting the type of encryption,
An encryption unit that encrypts the print data based on the type of encryption selected by the selection unit when encryption is selected by the selection unit;
A transmission unit configured to transmit the print data encrypted by the encryption unit or the print data via the network based on a selection result of whether the transmission is performed by the selection unit. Is
Receiving means for receiving the encrypted print data or the print data transmitted from the transmission means via the network;
Decryption means for decrypting the encrypted print data received by the reception means;
Printing means for executing printing based on the print data decrypted by the decrypting means or the print data received by the receiving means,
A network printing system characterized by that.
前記クライアント装置は、
当該クライアント装置と印刷を実行するプリンタとの接続状態に基づいて、前記印刷データを送信する際に暗号化が必要か否かを判断する判断手段と、
前記判断手段により暗号化が必要と判断された場合に、前記印刷データを暗号化する暗号化手段と、
前記判断手段の判断結果に基づいて、前記暗号化手段により暗号化した印刷データ或いは前記印刷データを送信する前記ネットワークを介して送信手段と、を有し、
前記プリンタは、
前記送信手段から送信された前記暗号化した印刷データ或いは前記印刷データを受信する受信手段と、
前記受信手段によって受信した前記暗号化した印刷データを復号化する復号化手段と、
前記復号化手段によって復号化した印刷データ或いは前記受信手段で受信した印刷データに基づいて印刷を実行する印刷手段と、を有する、
ことを特徴とするネットワーク印刷システム。A network printing system in which a client device and a printer are connected via a network,
The client device is
A determination unit that determines whether encryption is necessary when transmitting the print data based on a connection state between the client device and a printer that performs printing;
An encryption unit for encrypting the print data when the determination unit determines that encryption is necessary;
Based on the determination result of the determination unit, the print data encrypted by the encryption unit or the transmission unit via the network for transmitting the print data,
The printer is
Receiving means for receiving the encrypted print data or the print data transmitted from the transmission means;
Decryption means for decrypting the encrypted print data received by the reception means;
Printing means for executing printing based on the print data decrypted by the decryption means or the print data received by the reception means,
A network printing system characterized by that.
前記印刷データを暗号化して送信するか否かを選択すると共に、前記暗号化して送信することを選択した場合は、暗号の種類を選択する選択工程と、 When selecting whether to encrypt and transmit the print data, and selecting to encrypt and transmit, a selection step of selecting the type of encryption,
前記選択工程によって暗号化が選択された場合に、前記選択工程によって選択された暗号の種類に基づいて、前記印刷データを暗号化する暗号化工程と、 An encryption step of encrypting the print data based on the type of encryption selected in the selection step when encryption is selected in the selection step;
前記選択工程による暗号化して送信するか否かの選択結果に基づいて、前記暗号化工程により暗号化した印刷データ或いは前記印刷データを前記ネットワークを介して送信する送信工程と、 A transmission step of transmitting the print data encrypted by the encryption step or the print data via the network based on a selection result of whether or not to encrypt and transmit by the selection step;
を有する印刷データ送信方法。 A print data transmission method.
当該クライアント装置と印刷を実行するプリンタとの接続状態に基づいて、前記印刷データを送信する際に暗号化が必要か否かを判断する判断工程と、 A determination step of determining whether encryption is necessary when transmitting the print data based on a connection state between the client device and a printer that performs printing;
前記判断工程により暗号化が必要と判断された場合に、前記印刷データを暗号化する暗号化工程と、 An encryption step of encrypting the print data when the determination step determines that encryption is necessary;
前記判断工程の判断結果に基づいて、前記暗号化工程により暗号化した印刷データ或いは前記印刷データを前記ネットワークを介して送信する送信工程と、 Based on the determination result of the determination step, the transmission step of transmitting the print data encrypted by the encryption step or the print data via the network;
を有する印刷データ送信方法。 A print data transmission method.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001111375A JP4165027B2 (en) | 2001-04-10 | 2001-04-10 | Client device, network printing system, and print data transmission method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2001111375A JP4165027B2 (en) | 2001-04-10 | 2001-04-10 | Client device, network printing system, and print data transmission method |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2002312146A JP2002312146A (en) | 2002-10-25 |
JP2002312146A5 true JP2002312146A5 (en) | 2005-09-29 |
JP4165027B2 JP4165027B2 (en) | 2008-10-15 |
Family
ID=18962990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2001111375A Expired - Fee Related JP4165027B2 (en) | 2001-04-10 | 2001-04-10 | Client device, network printing system, and print data transmission method |
Country Status (1)
Country | Link |
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JP (1) | JP4165027B2 (en) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005039335A (en) * | 2003-07-15 | 2005-02-10 | Canon Inc | Image data recording apparatus, image data output system, control method of image data recording apparatus, program, and recording medium |
JP4194500B2 (en) | 2004-01-30 | 2008-12-10 | キヤノン株式会社 | Information processing apparatus, printing apparatus, print data generation method, and printing method |
JP2005318280A (en) * | 2004-04-28 | 2005-11-10 | Canon Inc | Image processing system, controller and its control method |
JP2006294017A (en) * | 2005-03-18 | 2006-10-26 | Ricoh Co Ltd | System and program for processing print information, and recording medium |
JP2006339847A (en) | 2005-05-31 | 2006-12-14 | Brother Ind Ltd | Network communication system, communication apparatus, and program |
JP4614392B2 (en) | 2005-08-09 | 2011-01-19 | キヤノン株式会社 | Information processing apparatus, control method therefor, computer program, and computer-readable storage medium |
JP2007207166A (en) * | 2006-02-06 | 2007-08-16 | Fuji Xerox Co Ltd | Program, device, and method of printing instructing |
US8115951B2 (en) | 2007-04-20 | 2012-02-14 | Ricoh Company, Ltd. | Approach for implementing locked printing with unlock via a user input device |
US9311031B2 (en) | 2008-03-31 | 2016-04-12 | Ricoh Company, Ltd. | Approach for printing policy-enabled electronic documents using locked printing and a shared memory data structure |
US8797563B2 (en) | 2008-03-31 | 2014-08-05 | Ricoh Company, Ltd. | Approach for printing policy-enabled electronic documents using locked printing |
US9513857B2 (en) * | 2008-03-31 | 2016-12-06 | Ricoh Company, Ltd. | Approach for processing print data using password control data |
US9411956B2 (en) | 2008-07-02 | 2016-08-09 | Ricoh Company, Ltd. | Locked print with intruder detection and management |
JP5590803B2 (en) * | 2009-01-13 | 2014-09-17 | キヤノン株式会社 | Communication apparatus and communication method |
JP5614094B2 (en) * | 2009-06-17 | 2014-10-29 | セイコーエプソン株式会社 | Receipt printing apparatus control method, receipt printing apparatus, receipt issuing system, and program |
JP5089744B2 (en) * | 2010-09-29 | 2012-12-05 | キヤノン株式会社 | Information processing apparatus, control method therefor, and computer program |
JP6020274B2 (en) * | 2013-03-19 | 2016-11-02 | 富士ゼロックス株式会社 | Image forming system, server device, and program |
JP2015125652A (en) * | 2013-12-26 | 2015-07-06 | 有限会社パワースター | Data processing device and data processing method |
-
2001
- 2001-04-10 JP JP2001111375A patent/JP4165027B2/en not_active Expired - Fee Related
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