JP5397498B2 - 情報処理装置、情報処理方法、およびプログラム - Google Patents
情報処理装置、情報処理方法、およびプログラム Download PDFInfo
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
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- H04L63/06—Network architectures or network communication protocols for network security for supporting key management in a packet data network
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- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
- H04L63/0876—Network architectures or network communication protocols for network security for authentication of entities based on the identity of the terminal or configuration, e.g. MAC address, hardware or software configuration or device fingerprint
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- 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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0838—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
- H04L9/0841—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
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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
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- H—ELECTRICITY
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- 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
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- 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
- H04L9/3236—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 cryptographic hash functions
- H04L9/3242—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 cryptographic hash functions involving keyed hash functions, e.g. message authentication codes [MACs], CBC-MAC or HMAC
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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
- H04L9/32—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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- H04L2209/00—Additional information or applications relating to cryptographic mechanisms or cryptographic arrangements for secret or secure communication H04L9/00
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Description
Claims (11)
- 応答を要求するコマンドをTCPコネクションを介して受信装置に送信する送信部と、
前記受信装置との間で共有する共有データに基づいて、期待値を生成する期待値生成部と、
前記共有データに基づいて生成された認証データを含んだ前記応答を前記受信装置から受信する受信部と、
前記受信装置に対して前記応答を要求するコマンドが送信されたときから、前記受信装置からの前記応答が受信されるまでの間の応答時間を計測する計測部と、
前記期待値生成部により生成された前記期待値と、前記受信部により受信された前記認証データの比較を行う比較部と、
前記応答時間が所定時間を超えた場合、または前記期待値と前記認証データが一致しない場合に、前記受信装置に対する送信データの送信を制限する制御部と
を備える情報処理装置。 - 前記期待値生成部は、前記コマンドが送信される前に、前記共有データに基づいて前記期待値を生成する
請求項1に記載の情報処理装置。 - 前記応答時間が前記所定時間を超えた場合、前記応答を要求するコマンドが何番目に送信されるものであるのかを示すカウント値を1だけインクリメントするカウント部をさらに備え、
前記送信部は、前記カウント値が1だけインクリメントされたことに対応して、新たな前記応答を要求するコマンドを送信する
請求項2に記載の情報処理装置。 - 前記期待値生成部は、前記新たな前記応答を要求するコマンドが送信される前に、前記共有データに基づいて、前記比較部での比較に用いられる新たな前記期待値を生成し、
前記受信部は、前記新たな前記応答を要求するコマンドにより要求された前記応答であって、新たな前記認証データを含んだ前記応答を前記受信装置から受信し、
前記比較部は、前記新たな前記期待値と、前記新たな前記認証データの比較を行なう
請求項3に記載の情報処理装置。 - 前記送信部は、前記応答を要求するコマンドを送信する前に、前記共有データを前記受信装置に送信する
請求項1に記載の情報処理装置。 - 前記期待値生成部は、前記共有データに対してハッシュ処理を施し、前記期待値を生成する
請求項1に記載の情報処理装置。 - 前記所定時間は、同一のローカルネットワーク内に接続された前記受信装置と前記情報処理装置との間で要する通信時間である
請求項1に記載の情報処理装置。 - ユーザ入力を受け付けるユーザインタフェースをさらに備える
請求項1に記載の情報処理装置。 - 応答を要求するコマンドをTCPコネクションを介して受信装置に送信する送信ステップと、
前記受信装置との間で共有する共有データに基づいて、期待値を生成する期待値生成ステップと、
前記共有データに基づいて生成された認証データを含んだ前記応答を前記受信装置から受信する受信ステップと、
前記受信装置に対して前記応答を要求するコマンドが送信されたときから、前記受信装置からの前記応答が受信されるまでの間の応答時間を計測する計測ステップと、
前記期待値生成ステップの処理で生成された前記期待値と、受信ステップの処理で受信された前記認証データの比較を行う比較ステップと、
前記応答時間が所定時間を超えた場合、または前記期待値と前記認証データが一致しない場合に、前記受信装置に対する送信データの送信を制限する制御ステップと
を含む情報処理方法。 - 応答を要求するコマンドをTCPコネクションを介して受信装置に送信する送信ステップと、
前記受信装置との間で共有する共有データに基づいて、期待値を生成する期待値生成ステップと、
前記共有データに基づいて生成された認証データを含んだ前記応答を前記受信装置から受信する受信ステップと、
前記受信装置に対して前記応答を要求するコマンドが送信されたときから、前記受信装置からの前記応答が受信されるまでの間の応答時間を計測する計測ステップと、
前記期待値生成ステップの処理で生成された前記期待値と、受信ステップの処理で受信された前記認証データの比較を行う比較ステップと、
前記応答時間が所定時間を超えた場合、または前記期待値と前記認証データが一致しない場合に、前記受信装置に対する送信データの送信を制限する制御ステップと
を含む処理をコンピュータに実行させるプログラム。 - プログラムを保持するメモリと、
他の装置とのデータの送受信を行なうインタフェースとを備え、
前記プログラムは、
応答を要求するコマンドをTCPコネクションを介して受信装置に送信する送信ステップと、
前記受信装置との間で共有する共有データに基づいて、期待値を生成する期待値生成ステップと、
前記共有データに基づいて生成された認証データを含んだ前記応答を前記受信装置から受信する受信ステップと、
前記受信装置に対して前記応答を要求する前記コマンドが送信されたときから、前記受信装置からの前記応答が受信されるまでの間の応答時間を計測する計測ステップと、
前記期待値生成ステップの処理で生成された前記期待値と、前記受信ステップの処理で受信された前記認証データの比較を行う比較ステップと、
前記応答時間が所定時間を超えた場合、または前記期待値と前記認証データが一致しない場合に、前記受信装置に対する送信データの送信を制限する制御ステップと
を含む処理をコンピュータに実行させるプログラムである
情報処理装置。
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JP2010248717A Expired - Lifetime JP5071746B2 (ja) | 2003-07-28 | 2010-11-05 | 送信装置 |
JP2012102371A Expired - Lifetime JP5339168B2 (ja) | 2003-07-28 | 2012-04-27 | コンテンツ送受信システム |
JP2012102370A Expired - Lifetime JP5071749B2 (ja) | 2003-07-28 | 2012-04-27 | 受信装置および受信方法 |
JP2012102372A Expired - Lifetime JP5397498B2 (ja) | 2003-07-28 | 2012-04-27 | 情報処理装置、情報処理方法、およびプログラム |
JP2013111046A Expired - Lifetime JP5863706B2 (ja) | 2003-07-28 | 2013-05-27 | 情報処理装置 |
JP2014141978A Expired - Lifetime JP5896249B2 (ja) | 2003-07-28 | 2014-07-10 | データ送受信システム |
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JP2010248717A Expired - Lifetime JP5071746B2 (ja) | 2003-07-28 | 2010-11-05 | 送信装置 |
JP2012102371A Expired - Lifetime JP5339168B2 (ja) | 2003-07-28 | 2012-04-27 | コンテンツ送受信システム |
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US (8) | US7908479B2 (ja) |
EP (2) | EP1650671B1 (ja) |
JP (7) | JP4692826B2 (ja) |
KR (1) | KR101020913B1 (ja) |
CN (2) | CN101115072B (ja) |
BR (1) | BRPI0406198A (ja) |
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