JP5036868B2 - 移動通信システムにおけるセキュリティエラー検出方法及び装置 - Google Patents
移動通信システムにおけるセキュリティエラー検出方法及び装置 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
- G06F11/10—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's
- G06F11/1004—Adding special bits or symbols to the coded information, e.g. parity check, casting out 9's or 11's to protect a block of data words, e.g. CRC or checksum
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/28—Routing or path finding of packets in data switching networks using route fault recovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/552—Prevention, detection or correction of errors by ensuring the integrity of packets received through redundant connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L49/00—Packet switching elements
- H04L49/55—Prevention, detection or correction of errors
- H04L49/555—Error detection
-
- 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
- H04L63/12—Applying verification of the received information
- H04L63/123—Applying verification of the received information received data contents, e.g. message integrity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/033—Protecting confidentiality, e.g. by encryption of the user plane, e.g. user's traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/03—Protecting confidentiality, e.g. by encryption
- H04W12/037—Protecting confidentiality, e.g. by encryption of the control plane, e.g. signalling traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/10—Integrity
- H04W12/106—Packet or message integrity
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/18—Management of setup rejection or failure
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/19—Connection re-establishment
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Hardware Design (AREA)
- Computing Systems (AREA)
- Mobile Radio Communication Systems (AREA)
Description
(項目1)
(A)受信した少なくとも1つのパケットからエラー発生パケットの数をカウントするステップと、
(B)前記カウントしたエラー発生パケットの数と基準値とを比較するステップと、
(C)前記カウントしたエラー発生パケットの数が前記基準値に達すると、セキュリティ失敗であると判断するステップと
を含むことを特徴とする移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目2)
前記ステップ(A)は、
送信側により送信された少なくとも1つのパケットを受信するステップと、
前記受信したパケットのヘッダを除去するステップと、
前記ヘッダが除去されたパケットに対して復号化を行うステップと、
前記復号化されたパケットに対して圧縮されたヘッダの復元を行う過程、又は完全性確認過程を行うことにより、前記パケットのセキュリティ失敗のエラーを判断するステップと、
前記セキュリティ失敗のエラーがあると判断されたパケットがある場合、カウンタを増加させるステップと
を含むことを特徴とする項目1に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目3)
前記パケットが、ユーザプレーンのデータ、又は制御プレーンのデータであることを特徴とする項目1に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目4)
(D)前記カウントしたエラー発生パケットの数が前記基準値に達し、セキュリティ失敗であると判断されると、セキュリティ構成の復旧過程を行うステップをさらに含むことを特徴とする項目1に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目5)
前記復旧過程が、PDCP層のリセット手順を行う過程を含むことを特徴とする項目4に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目6)
前記復旧過程が、RRC層に通知する過程を含むことを特徴とする項目4に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目7)
前記RRC層が、RBを再設定するか、RRC接続を再設定するか、又は特定のRBに関してセキュリティ構成をリセットすることを特徴とする項目6に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目8)
前記エラー発生パケットが連続していることを特徴とする項目1に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目9)
前記ステップ(A)が、PDCP層のヘッダ復元過程、又は前記PDCP層の完全性確認過程で行われることを特徴とする項目1に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目10)
前記基準値がRBによって異なる値であることを特徴とする項目1に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目11)
少なくとも1つのパケットを受信するステップと、
前記受信した少なくとも1つのパケットに対して完全性確認又はヘッダ復元を行うステップと、
前記完全性確認又は前記ヘッダ復元時、前記受信した少なくとも1つのパケットにエラーが発生したか否かを確認するステップと、
前記受信した少なくとも1つのパケットにエラーが発生したことが確認されると、前記エラーの発生をRRC層に報告するステップと、
前記RRC層が前記エラー発生報告を受信して再設定を行うステップと
を含むことを特徴とする移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目12)
前記再設定が、RBの再設定とPDCP層の再設定の少なくとも一方を含むことを特徴とする項目11に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目13)
前記再設定が、RRC接続の再設定であることを特徴とする項目11に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目14)
前記完全性確認はXMAC−Iを利用し、前記ヘッダ復元はコンテクストを利用することを特徴とする項目11に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
(項目15)
前記PDCP層の再設定が、前記PDCP層のリセットであることを特徴とする項目12に記載の移動通信システムにおけるセキュリティ関連エラー検出方法。
Claims (15)
- 移動通信システムにおけるセキュリティを報告する方法であって、前記方法は、
(A)受信側PDCP(packet data convergence protocol)層において少なくとも1つのデータユニットを受信するステップと、
(B)前記PDCP層において前記少なくとも1つのデータユニットに対して完全性確認を行うステップと、
(C)前記完全性確認を行いながら、前記少なくとも1つのデータユニットに対してセキュリティ失敗が存在するか否かを確認するステップと、
(D)前記少なくとも1つのデータユニットにセキュリティ失敗が存在する場合に、受信側RRC(radio resource control)層にセキュリティ失敗を報告するステップと
を含み、前記少なくとも1つのデータユニットが制御プレーンデータを含む、方法。 - 前記RRC層が前記セキュリティ失敗の報告を受信すると再設定手順を行うステップをさらに含む、請求項1に記載の方法。
- 前記再設定手順が、
RB(radio bearer)の再設定、RRC接続の再設定、特定RBに関するセキュリティ構成のリセット、及びPDCP層の再設定の少なくとも1つを含む、請求項2に記載の方法。 - 前記PDCP層の再設定ステップが、
前記PDCP層をリセットするステップを含む、請求項3に記載の方法。 - 前記ステップ(C)は、
受信した少なくとも1つのデータユニットのうちエラー発生データユニットの数をカウントするステップと、
前記カウントしたエラー発生データユニットの数を基準値と比較するステップと、
前記カウントしたエラー発生データユニットの数が前記基準値に達するとセキュリティ失敗であると判断するステップと
を含む、請求項1に記載の方法。 - 前記受信した少なくとも1つのデータユニットのうちエラー発生データユニットの数をカウントするステップは、
前記受信した少なくとも1つのデータユニットのヘッダを除去するステップと、
前記ヘッダを除去したデータユニットを復号化するステップと、
エラーデータユニットが存在すると判断された場合はエラーデータユニットの数を示すカウント値を増加させるステップとを含み、
前記カウント値は、前記セキュリティ失敗が存在するか否かを判断するために前記基準値と比較される、請求項5に記載の方法。 - カウントしたエラー発生パケットの数が前記基準値に達し、前記セキュリティ失敗であると判断されると、セキュリティ構成復旧過程を行うステップをさらに含む、請求項5に記載の方法。
- 前記復旧過程が、
前記PDCP層のリセット手順を行うことを含む、請求項7に記載の方法。 - 前記少なくとも1つのデータユニットに含まれる値と前記受信側PDCP層により生成された値との差異のために前記少なくとも1つのデータユニットに対して前記セキュリティ失敗が存在することが確認されると、前記少なくとも1つのデータユニットを廃棄するステップをさらに含む、請求項1に記載の方法。
- 前記エラー発生データユニットが連続している、請求項5に記載の方法。
- 前記基準値がRBによって異なる、請求項5に記載の方法。
- 前記エラー発生データユニットは、
前記受信した少なくとも1つのデータユニットのMAC−I(message authentication code−integrity)値が、前記PDCP層が生成したXMAC−I(expected message authentication code−integrity)値と異なる場合に決定される、請求項5に記載の方法。 - 移動通信システムにおける受信機のPDCP(packet data convergence protocol)プロトコル層であって、前記PDCPプロトコル層は、
受信した少なくとも1つのデータユニットのヘッダを除去するヘッダ除去モジュールと、
前記ヘッダが除去された少なくとも1つのデータユニットを復号化する復号化モジュールと、
前記少なくとも1つのデータユニットに対して完全性確認を行い、前記完全性確認を行いながら、前記少なくとも1つのデータユニットに対してセキュリティ失敗が存在するか否かを確認する完全性確認モジュールと
を含み、
前記完全性確認モジュールが前記少なくとも1つのデータユニットに対してセキュリティ失敗の存在を確認すると、前記セキュリティ失敗は前記受信機のRRC(radio resource control)層に報告され、
前記少なくとも1つのデータユニットが制御プレーンデータを含む、PDCPプロトコル層。 - 前記セキュリティ失敗の報告を受信する前記RRC層を再設定する再設定モジュールをさらに含む、請求項13に記載のPDCPプロトコル層。
- 前記完全性確認モジュールは、
前記少なくとも1つのデータユニットに含まれる値と前記受信側PDCP層により生成された値との差異のために前記少なくとも1つのデータユニットに対して前記セキュリティ失敗が存在することが確認されると、前記少なくとも1つのデータユニットを廃棄する、請求項13に記載のPDCPプロトコル層。
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
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US95504007P | 2007-08-10 | 2007-08-10 | |
US60/955,040 | 2007-08-10 | ||
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KR10-2008-0071933 | 2008-07-23 | ||
PCT/KR2008/004514 WO2009022803A1 (en) | 2007-08-10 | 2008-08-04 | Method for detecting security error in mobile telecommunications system and device of mobile telecommunications |
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JP2010533415A JP2010533415A (ja) | 2010-10-21 |
JP5036868B2 true JP5036868B2 (ja) | 2012-09-26 |
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US (6) | US8243931B2 (ja) |
EP (2) | EP2822209B1 (ja) |
JP (1) | JP5036868B2 (ja) |
KR (1) | KR101392697B1 (ja) |
CN (2) | CN101675618B (ja) |
ES (1) | ES2666226T3 (ja) |
WO (1) | WO2009022803A1 (ja) |
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US8989382B2 (en) | 2015-03-24 |
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US20110263221A1 (en) | 2011-10-27 |
US8712055B2 (en) | 2014-04-29 |
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US20150365194A1 (en) | 2015-12-17 |
US20120269055A1 (en) | 2012-10-25 |
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