JP2021515443A - デジタル記録の認証 - Google Patents
デジタル記録の認証 Download PDFInfo
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- JP2021515443A JP2021515443A JP2020542314A JP2020542314A JP2021515443A JP 2021515443 A JP2021515443 A JP 2021515443A JP 2020542314 A JP2020542314 A JP 2020542314A JP 2020542314 A JP2020542314 A JP 2020542314A JP 2021515443 A JP2021515443 A JP 2021515443A
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- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/00086—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy
- G11B20/0021—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier
- G11B20/00217—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source
- G11B20/00253—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier
- G11B20/00282—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in the content area, e.g. program area, data area or user area
- G11B20/00289—Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving encryption or decryption of contents recorded on or reproduced from a record carrier the cryptographic key used for encryption and/or decryption of contents recorded on or reproduced from the record carrier being read from a specific source wherein the key is stored on the record carrier the key being stored in the content area, e.g. program area, data area or user area wherein the key is stored as a watermark
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/602—Providing cryptographic facilities or services
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/60—Protecting data
- G06F21/64—Protecting data integrity, e.g. using checksums, certificates or signatures
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0863—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving passwords or one-time passwords
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0869—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving random numbers or seeds
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0872—Generation of secret information including derivation or calculation of cryptographic keys or passwords using geo-location information, e.g. location data, time, relative position or proximity to other entities
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
- H04L9/3226—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 a predetermined code, e.g. password, passphrase or PIN
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
- H04L9/3226—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 a predetermined code, e.g. password, passphrase or PIN
- H04L9/3228—One-time or temporary data, i.e. information which is sent for every authentication or authorization, e.g. one-time-password, one-time-token or one-time-key
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- 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
- H04L9/3297—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 involving time stamps, e.g. generation of time stamps
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Theoretical Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Bioethics (AREA)
- Computer Hardware Design (AREA)
- Software Systems (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Storage Device Security (AREA)
Abstract
Description
Claims (9)
- 記録環境においてキャプチャされたオーディオ・データおよびイメージ・データの少なくとも1つを備えるデジタル記録に埋め込まれた暗号化データの第1の要素を抽出するステップと、
第1の復号化された値を生成するステップであって、プライベート・キーおよび暗号化データの前記第1の要素に基づいた暗号アルゴリズムの実行によって行われる、前記生成するステップと、
前記第1の復号化された値と前記デジタル記録の第1の要素に関連付けられた格納値とを比較するステップと、
前記格納値と実質的に一致する前記第1の復号化された値に基づいて前記デジタル記録を認証するステップと
を含む、方法。 - 暗号化データの前記第1の要素を抽出する前に、
前記暗号アルゴリズムを実行するプロセッサを備えるセキュリティ・デバイスによって、暗号化データの前記第1の要素を含む暗号化データの複数の要素を生成するステップであって、暗号化データの各要素は、前記プライベート・キー、それぞれの現在のタイムスタンプ、および1つ以上の属性に基づいて生成され、前記1つ以上の属性は、(i)前記記録環境の一組の全地球測位システム座標、(ii)前記記録環境における現在の温度、(iii)前記記録環境における現在の湿度レベル、(iv)前記記録環境における現在の風速、および(v)前記記録環境において話す人を含む、前記生成するステップと、
前記セキュリティ・デバイスの出力デバイスによって、暗号化データの前記複数の要素の各々を出力するステップと、
前記デジタル記録を受信するステップと
をさらに含む、請求項1に記載の方法。 - 前記デジタル記録に埋め込まれた暗号化データの前記複数の要素のうちの暗号化データの第2の要素を抽出するステップと、
前記プライベート・キーおよび暗号化データの前記第2の要素に基づいて前記暗号アルゴリズムによって、第2の復号化された値を生成するステップと、
前記第2の復号化された値と前記デジタル記録の第2の要素に関連付けられた格納値とを比較するステップと、
前記デジタル記録の前記第2の要素に関連付けられた前記格納値と一致しない前記第2の復号化された値に基づいて、前記デジタル記録の前記第2の要素が真正ではないと判定するステップと
をさらに含む、請求項2に記載の方法。 - 前記デジタル記録は、前記オーディオ・データおよび前記イメージ・データを備え、暗号化データの前記第1の要素は、前記デジタル記録の前記オーディオ・データおよび前記イメージ・データの第1のものに埋め込まれ、暗号化データの前記第2の要素は、前記デジタル記録の前記オーディオ・データおよび前記イメージ・データの第2のものに埋め込まれる、請求項3に記載の方法。
- 暗号化データの前記第1の要素は、(i)英数字の文字列、(ii)クイック・レスポンス・コード(QRコード(登録商標))、(iii)人間の視覚の範囲外の光パターン、(iv)人間の視覚の範囲内の光パターン、(v)人間の聴覚の範囲外のオーディオ・トーン、(vi)人間の聴覚の範囲内のオーディオ・トーン、および(vii)シンボルの第1のものを含み、暗号化データの前記第2の要素は、(i)前記英数字の文字列、(ii)前記クイック・レスポンス・コード(QRコード(登録商標))、(iii)人間の視覚の範囲外の前記光パターン、(iv)人間の視覚の範囲内の前記光パターン、(v)人間の聴覚の範囲外の前記オーディオ・トーン、(vi)人間の聴覚の範囲内の前記オーディオ・トーン、および(vii)前記シンボルの第2のものを含む、請求項4に記載の方法。
- 暗号化データの前記複数の要素を出力する前に、前記出力デバイスの出力フォーマットに基づいて暗号化データの前記複数の要素を変換するステップ
をさらに含む、請求項2に記載の方法。 - 前記デジタル記録に埋め込まれた暗号化データの第2の要素を抽出するステップと、
前記プライベート・キーおよび暗号化データの前記第2の要素に基づいて前記暗号アルゴリズムによって、第2の復号化された値を生成するステップと、
前記第2の復号化された値と前記デジタル記録の第2の要素に関連付けられた格納値とを比較するステップと、
前記比較に基づいて、前記第2の復号化された値が前記デジタル記録の前記第2の要素に関連付けられた前記格納値と一致すると判定するステップと、
前記デジタル記録の前記第1および第2の要素がシーケンシャルであると判定するステップと、
前記第1および第2の復号化された値がシーケンシャルではないと判定するステップと、
前記デジタル記録が真正ではないと判定するステップと
をさらに含む、請求項1に記載の方法。 - 方法請求項1〜7のいずれか一項に記載の方法のすべてのステップを実行するようになっている手段を備えるシステム。
- コンピュータ・プログラムがコンピュータ・システム上で実行されるときに、方法請求項1〜7のいずれか一項に記載の方法のすべてのステップを実施するための命令を含む前記コンピュータ・プログラム。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/908,358 US10957355B2 (en) | 2018-02-28 | 2018-02-28 | Authenticating digital recordings |
US15/908,358 | 2018-02-28 | ||
PCT/IB2019/050908 WO2019166890A1 (en) | 2018-02-28 | 2019-02-05 | Authenticating digital recordings |
Publications (2)
Publication Number | Publication Date |
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JP2021515443A true JP2021515443A (ja) | 2021-06-17 |
JP7426937B2 JP7426937B2 (ja) | 2024-02-02 |
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JP2020542314A Active JP7426937B2 (ja) | 2018-02-28 | 2019-02-05 | デジタル記録の認証 |
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US (2) | US10957355B2 (ja) |
JP (1) | JP7426937B2 (ja) |
CN (1) | CN111712818B (ja) |
DE (1) | DE112019001037T5 (ja) |
GB (1) | GB202014842D0 (ja) |
WO (1) | WO2019166890A1 (ja) |
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US11516192B2 (en) * | 2019-12-19 | 2022-11-29 | Augustine Fou | System and method for combinatorial security |
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2018
- 2018-02-28 US US15/908,358 patent/US10957355B2/en active Active
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2019
- 2019-02-05 DE DE112019001037.9T patent/DE112019001037T5/de active Pending
- 2019-02-05 JP JP2020542314A patent/JP7426937B2/ja active Active
- 2019-02-05 CN CN201980012365.7A patent/CN111712818B/zh active Active
- 2019-02-05 WO PCT/IB2019/050908 patent/WO2019166890A1/en active Application Filing
- 2019-02-05 GB GBGB2014842.5A patent/GB202014842D0/en not_active Ceased
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2020
- 2020-12-21 US US17/129,401 patent/US11776574B2/en active Active
Patent Citations (10)
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US10957355B2 (en) | 2021-03-23 |
US20190267036A1 (en) | 2019-08-29 |
WO2019166890A1 (en) | 2019-09-06 |
JP7426937B2 (ja) | 2024-02-02 |
US20210151081A1 (en) | 2021-05-20 |
DE112019001037T5 (de) | 2020-11-26 |
US11776574B2 (en) | 2023-10-03 |
CN111712818B (zh) | 2024-03-26 |
CN111712818A (zh) | 2020-09-25 |
GB202014842D0 (en) | 2020-11-04 |
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