JP4784877B2 - 画像形成装置及び通信制御方法 - Google Patents
画像形成装置及び通信制御方法 Download PDFInfo
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- JP4784877B2 JP4784877B2 JP2009033766A JP2009033766A JP4784877B2 JP 4784877 B2 JP4784877 B2 JP 4784877B2 JP 2009033766 A JP2009033766 A JP 2009033766A JP 2009033766 A JP2009033766 A JP 2009033766A JP 4784877 B2 JP4784877 B2 JP 4784877B2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/12—Arrangements for remote connection or disconnection of substations or of equipment thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
- H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
- H04N1/00214—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of transmission
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
- H04N1/00209—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax
- H04N1/00214—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of transmission
- H04N1/00217—Transmitting or receiving image data, e.g. facsimile data, via a computer, e.g. using e-mail, a computer network, the internet, I-fax details of transmission only involving computer data transmission protocols, e.g. SMTP, WAP or HTTP
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00127—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture
- H04N1/00204—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server
- H04N1/00244—Connection or combination of a still picture apparatus with another apparatus, e.g. for storage, processing or transmission of still picture signals or of information associated with a still picture with a digital computer or a digital computer system, e.g. an internet server with a server, e.g. an internet server
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/00885—Power supply means, e.g. arrangements for the control of power supply to the apparatus or components thereof
- H04N1/00888—Control thereof
- H04N1/00891—Switching on or off, e.g. for saving power when not in use
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/16—Implementing security features at a particular protocol layer
- H04L63/164—Implementing security features at a particular protocol layer at the network layer
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N1/00—Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
- H04N1/44—Secrecy systems
- H04N1/448—Rendering the image unintelligible, e.g. scrambling
- H04N1/4486—Rendering the image unintelligible, e.g. scrambling using digital data encryption
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0008—Connection or combination of a still picture apparatus with another apparatus
- H04N2201/0013—Arrangements for the control of the connected apparatus by the still picture apparatus
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/0077—Types of the still picture apparatus
- H04N2201/0094—Multifunctional device, i.e. a device capable of all of reading, reproducing, copying, facsimile transception, file transception
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3225—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document
- H04N2201/3233—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title of data relating to an image, a page or a document of authentication information, e.g. digital signature, watermark
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3201—Display, printing, storage or transmission of additional information, e.g. ID code, date and time or title
- H04N2201/3278—Transmission
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N2201/00—Indexing scheme relating to scanning, transmission or reproduction of documents or the like, and to details thereof
- H04N2201/32—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device
- H04N2201/3285—Circuits or arrangements for control or supervision between transmitter and receiver or between image input and image output device, e.g. between a still-image camera and its memory or between a still-image camera and a printer device using picture signal storage, e.g. at transmitter
- H04N2201/3295—Deletion of stored data; Preventing such deletion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Multimedia (AREA)
- Computer Security & Cryptography (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Computer Hardware Design (AREA)
- Small-Scale Networks (AREA)
- Facsimiles In General (AREA)
- Mobile Radio Communication Systems (AREA)
Description
画像形成装置20の制御部21(又は通信I/F部23)は、通信相手(サーバ10)が初めてIPsec通信を行う機器であるか判断し(図6のS100)、初めてIPsec通信を行う機器であれば、サーバ10と鍵交換(IKE)処理を行う(S110)。そして、制御部21(又は通信I/F部23)は、交換した鍵を用いてデータを暗号化し、暗号化データをサーバ10に送信する(S120)。
画像形成装置20の電源OFF検知部27は、電源OFFシーケンスを検知する(図9のS200)。次に、電源OFF検知部27は、実際の電源の供給が停止するまでの間(例えば、HDDのヘッダを待避させる時間、画像出力部25のクリーニング部が動作中の場合はクリーニング処理がある程度終了するまでの時間)に、SA削除処理を行う(S210)。
画像形成装置20の電源がONになる(再起動する)と、再び、画像形成装置20とサーバ10間でIKE(鍵交換)処理を行う。そして、画像形成装置20及びサーバ10にSA情報を登録し、IPsec通信を再開する。これにより、画像形成装置20の再起動後、直ちにIPsec通信を復旧させることができる。
20 画像形成装置
21 制御部
22 電源部
23 通信I/F部
24 スキャナ入力部
25 画像出力部
26 操作パネル
27 電源OFF検知部
Claims (6)
- 暗号キーを含む暗号化通信情報を交換して互いに記憶し、当該暗号化通信情報に基づいて暗号化通信を行う画像形成装置において、
電源OFFシーケンスを検知し、電源OFFとなる前に、通信相手のネットワーク機器に対して、前記暗号化通信情報の削除要求を行う電源OFF検知部を備える、ことを特徴とする画像形成装置。 - 前記電源OFF検知部は、NMI(Non Maskable Interrupt)信号を受信した時、電源電圧が予め定めた閾値以下となった時、電源スイッチカバーの開閉を検知した時、当該ネットワーク機器の設定が変更された時、ファームウェアの書き換えが完了した時のいずれかに、前記電源OFFシーケンスが開始されたと判断する、ことを特徴とする請求項1に記載の画像形成装置。
- 前記暗号化通信は、IPsec(Security Architecture for Internet Protocol)通信であり、前記暗号化通信情報はSA(Security Association)情報である、ことを特徴とする請求項1又は2に記載の画像形成装置。
- 暗号キーを含む暗号化通信情報を交換して互いに記憶し、当該暗号化通信情報に基づいて暗号化通信を行うネットワークシステムにおける通信制御方法であって、
電源OFFシーケンスが開始された画像形成装置が、電源OFFとなる前に、通信相手のネットワーク機器に対して、前記暗号化通信情報の削除要求を行う第1の処理と、
前記通信相手のネットワーク機器が、前記削除要求に従って前記暗号化通信情報を削除する第2の処理と、を少なくとも実行する、ことを特徴とする通信制御方法。 - 前記第1の処理では、NMI(Non Maskable Interrupt)信号を受信した時、電源電圧が予め定めた閾値以下となった時、電源スイッチカバーの開閉を検知した時、当該画像形成装置の設定が変更された時、ファームウェアの書き換えが完了した時のいずれかに、前記電源OFFシーケンスが開始されたと判断する、ことを特徴とする請求項4に記載の通信制御方法。
- 前記暗号化通信は、IPsec(Security Architecture for Internet Protocol)通信であり、前記暗号化通信情報はSA(Security Association)情報である、ことを特徴とする請求項4又は5に記載の通信制御方法。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009033766A JP4784877B2 (ja) | 2009-02-17 | 2009-02-17 | 画像形成装置及び通信制御方法 |
EP10152412.2A EP2219344B1 (en) | 2009-02-17 | 2010-02-02 | Network apparatus and communication controlling method |
CN201010117685A CN101827086A (zh) | 2009-02-17 | 2010-02-11 | 网络设备及通信控制方法 |
US12/705,689 US8510574B2 (en) | 2009-02-17 | 2010-02-15 | Network apparatus and communication controlling method |
Applications Claiming Priority (1)
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JP2009033766A JP4784877B2 (ja) | 2009-02-17 | 2009-02-17 | 画像形成装置及び通信制御方法 |
Publications (2)
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JP2010193044A JP2010193044A (ja) | 2010-09-02 |
JP4784877B2 true JP4784877B2 (ja) | 2011-10-05 |
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JP2009033766A Active JP4784877B2 (ja) | 2009-02-17 | 2009-02-17 | 画像形成装置及び通信制御方法 |
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US (1) | US8510574B2 (ja) |
EP (1) | EP2219344B1 (ja) |
JP (1) | JP4784877B2 (ja) |
CN (1) | CN101827086A (ja) |
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JP5377012B2 (ja) * | 2009-03-13 | 2013-12-25 | キヤノン株式会社 | 情報処理装置及び情報処理装置の制御方法、通信システム及び通信システムの制御方法、並びにプログラム |
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JP2012175121A (ja) * | 2011-02-17 | 2012-09-10 | Seiko Epson Corp | 印刷装置及び印刷装置のsa確立方法 |
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2009
- 2009-02-17 JP JP2009033766A patent/JP4784877B2/ja active Active
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2010
- 2010-02-02 EP EP10152412.2A patent/EP2219344B1/en active Active
- 2010-02-11 CN CN201010117685A patent/CN101827086A/zh active Pending
- 2010-02-15 US US12/705,689 patent/US8510574B2/en active Active
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Publication number | Publication date |
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EP2219344B1 (en) | 2019-01-09 |
EP2219344A2 (en) | 2010-08-18 |
JP2010193044A (ja) | 2010-09-02 |
CN101827086A (zh) | 2010-09-08 |
EP2219344A3 (en) | 2011-07-20 |
US8510574B2 (en) | 2013-08-13 |
US20100211788A1 (en) | 2010-08-19 |
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