JP2015530007A - Idベースの制御ユニットキーフォブペアリング - Google Patents
Idベースの制御ユニットキーフォブペアリング Download PDFInfo
- Publication number
- JP2015530007A JP2015530007A JP2015523188A JP2015523188A JP2015530007A JP 2015530007 A JP2015530007 A JP 2015530007A JP 2015523188 A JP2015523188 A JP 2015523188A JP 2015523188 A JP2015523188 A JP 2015523188A JP 2015530007 A JP2015530007 A JP 2015530007A
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- JP
- Japan
- Prior art keywords
- key
- key fob
- cuid
- control unit
- fob
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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- 238000000034 method Methods 0.000 claims description 34
- 230000008569 process Effects 0.000 description 18
- 238000004891 communication Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0819—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s)
- H04L9/0822—Key transport or distribution, i.e. key establishment techniques where one party creates or otherwise obtains a secret value, and securely transfers it to the other(s) using key encryption key
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- H04L9/0844—Key agreement, i.e. key establishment technique in which a shared key is derived by parties as a function of information contributed by, or associated with, each of these involving Diffie-Hellman or related key agreement protocols with user authentication or key authentication, e.g. ElGamal, MTI, MQV-Menezes-Qu-Vanstone protocol or Diffie-Hellman protocols using implicitly-certified keys
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- H04L9/0897—Escrow, recovery or storing of secret information, e.g. secret key escrow or cryptographic key storage involving additional devices, e.g. trusted platform module [TPM], smartcard or USB
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/30—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy
- H04L9/3066—Public key, i.e. encryption algorithm being computationally infeasible to invert or user's encryption keys not requiring secrecy involving algebraic varieties, e.g. elliptic or hyper-elliptic curves
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/32—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials
- H04L9/3271—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols including means for verifying the identity or authority of a user of the system or for message authentication, e.g. authorization, entity authentication, data integrity or data verification, non-repudiation, key authentication or verification of credentials using challenge-response
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- H04N9/3129—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM] scanning a light beam on the display screen
-
- H—ELECTRICITY
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- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3155—Modulator illumination systems for controlling the light source
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- H—ELECTRICITY
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- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
- H04N9/315—Modulator illumination systems
- H04N9/3167—Modulator illumination systems for polarizing the light beam
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- H04W12/50—Secure pairing of devices
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- H05B47/105—Controlling the light source in response to determined parameters
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- H05B47/105—Controlling the light source in response to determined parameters
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Abstract
Description
Claims (20)
- キーフォブを車両とペアリングするための方法であって、
ペアリングデバイス及びキーフォブにより、互いを認証するため及び暗号鍵DHKey1を生成するためにキーフォブ識別子(KFID)に基づくID認証された鍵共有(key agreement)プロトコルを実行すること、
前記ペアリングデバイスにより、制御ユニット識別子(CUID)をDHKey1で暗号化すること、
前記ペアリングデバイスにより、前記暗号化されたCUIDをキーフォブに送信すること、
前記キーフォブ及び制御ユニットにより、互いを認証するため及び暗号鍵DHKey2を生成するために前記CUIDに基づくID認証された鍵共有プロトコルを実行すること、
前記制御ユニットにより、動作鍵(operation key)をDHKey2で暗号化すること、及び
前記制御ユニットにより、前記暗号化された動作鍵を前記キーフォブに送信すること、
を含む、方法。 - 請求項1に記載の方法であって、前記CUIDを前記制御ユニットのストレージデバイスに挿入すること、及び前記CUIDを車両ディーラーに送信することを更に含む、方法。
- 請求項1に記載の方法であって、固有のIDをキーフォブに挿入すること(KFID)を更に含む、方法。
- 請求項1に記載の方法であって、前記キーフォブの前記KFIDを読むことを更に含む、方法。
- キーフォブ制御ユニットペアリングデバイスであって、
信号を送信及び受信するように構成されるトランシーバ、
キーフォブ識別子(KFID)及び制御ユニット識別子(CUID)をストアするように構成されるメモリ、及び
前記トランシーバ及び前記メモリに結合されるプロセッサ、
を含み、
前記プロセッサが、
前記KFIDに基づく識別子(ID)認証された鍵共有プロトコルを用いて前記キーフォブを認証するように、及び
暗号化されたCUIDを前記キーフォブに送信するように、
構成される、
デバイス。 - 請求項5に記載のデバイスであって、前記プロセッサによって成される前記ID認証された鍵共有プロトコルが更に、前記キーフォブと前記ペアリングデバイスとの間で共有される共通の秘密暗号化鍵を生成する、デバイス。
- 請求項6に記載のデバイスであって、前記プロセッサが、前記共通の秘密暗号化鍵を備えた前記暗号化されたCUIDを生成する、デバイス。
- 請求項5に記載のデバイスであって、前記ID認証された鍵共有プロトコルが、楕円曲線暗号法に基づく、デバイス。
- 請求項5に記載のデバイスであって、前記ID認証された鍵共有プロトコルが、ディフィー・ヘルマン鍵共有プロトコルに基づく、デバイス。
- 請求項5に記載のデバイスであって、前記KFID及び前記CUIDが8文字の16進法ワードである、デバイス。
- 請求項5に記載のデバイスであって、前記KFIDが、認証のためのパスワードとして用いられる、デバイス。
- 請求項5に記載のデバイスであって、前記KFIDが、前記キーフォブから前記トランシーバを介して前記プロセッサにより受信される、デバイス。
- キーフォブであって、
信号を受信及び送信するように構成されるトランシーバ、
キーフォブ識別子(KFID)をストアするように構成されるメモリ、及び
前記トランシーバ及び前記メモリに結合されるプロセッサ、
を含み、
前記プロセッサが、
ペアリングデバイスを認証するため、及び前記プロセッサと前記ペアリングデバイスとによってのみ既知である共通の秘密暗号化鍵を生成するために、前記KFIDに基づく識別子(ID)認証された鍵共有プロトコルを、ペアリングデバイスと共に、実行するように、
前記ペアリングデバイスから、前記共通の秘密暗号化鍵を備えた前記ペアリングデバイスにより暗号化された制御ユニット識別子(CUID)を受信するように、
前記CUIDと関連付けられる前記制御ユニットと共に、前記制御ユニットを認証するため、及び前記プロセッサと前記制御ユニットとによってのみ既知である第2の共通の秘密暗号化鍵を生成するために、前記CUIDに基づくID認証された鍵共有プロトコルを実行するように、及び
前記制御ユニットから、前記第2の共通の秘密暗号化鍵を備えた前記制御ユニットにより暗号化された動作鍵を受信するように、
構成される、
キーフォブ。 - 請求項13に記載のキーフォブであって、ID認証された鍵共有プロトコルが楕円曲線暗号法に基づく、キーフォブ。
- 請求項13に記載のキーフォブであって、前記KFID及び前記CUID認証された鍵共有プロトコルが、ディフィー・ヘルマン鍵共有プロトコルに基づく、キーフォブ。
- 請求項13に記載のキーフォブであって、前記プロセッサが前記第2の共通の秘密暗号化鍵で前記動作鍵を解読するためのものである、キーフォブ。
- 請求項13に記載のキーフォブであって、前記KFID及び前記CUIDが8文字の16進法ワードである、キーフォブ。
- 請求項13に記載のキーフォブであって、前記暗号化された動作鍵がワイヤレスに受信される、キーフォブ。
- 請求項13に記載のキーフォブであって、前記プロセッサが、前記共通の秘密暗号化鍵を用いて前記暗号化されたCUIDを解読する、キーフォブ。
- 請求項13に記載のキーフォブであって、前記プロセッサが、前記第2の共通の秘密暗号化鍵を用いて前記オペレーションキーを解読する、キーフォブ。
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US13/942,381 US9166958B2 (en) | 2012-07-17 | 2013-07-15 | ID-based control unit-key fob pairing |
US13/942,381 | 2013-07-15 | ||
PCT/US2013/050735 WO2014014945A2 (en) | 2012-07-17 | 2013-07-16 | Id-based control unit key fob pairing |
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JP2017176314A Active JP6549664B2 (ja) | 2012-07-17 | 2017-09-14 | Idベースの制御ユニットキーフォブペアリング |
JP2019119227A Active JP6903834B2 (ja) | 2012-07-17 | 2019-06-27 | Idベースの制御ユニットキーフォブペアリング |
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