JP2017092696A - 通信システム - Google Patents
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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
- H04L63/061—Network architectures or network communication protocols for network security for supporting key management in a packet data network for key exchange, e.g. in peer-to-peer networks
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- 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
- H04L63/0435—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 wherein the sending and receiving network entities apply symmetric encryption, i.e. same key used for encryption and decryption
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- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
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- H04L9/0618—Block ciphers, i.e. encrypting groups of characters of a plain text message using fixed encryption transformation
- H04L9/0631—Substitution permutation network [SPN], i.e. cipher composed of a number of stages or rounds each involving linear and nonlinear transformations, e.g. AES algorithms
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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
- H04L9/08—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
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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
- H04L9/0816—Key establishment, i.e. cryptographic processes or cryptographic protocols whereby a shared secret becomes available to two or more parties, for subsequent use
- H04L9/0852—Quantum cryptography
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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
- H04L9/08—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
- H04L9/0877—Generation of secret information including derivation or calculation of cryptographic keys or passwords using additional device, e.g. trusted platform module [TPM], smartcard, USB or hardware security module [HSM]
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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
- H04L9/12—Transmitting and receiving encryption devices synchronised or initially set up in a particular manner
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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
- H04L9/3236—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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- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
- H04W12/069—Authentication using certificates or pre-shared keys
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Abstract
【解決手段】端末2とサーバ5とがスマートフォン3間の通信に用いられる携帯通信網4を介して通信を行う通信システム1。スマートフォン3は第1プレシェア鍵PK1と暗号鍵K1、K2…を有し、端末2は第2プレシェア鍵PK2を有し、サーバ5はスマートフォン3が有する暗号鍵K1、K2…と同一の暗号鍵K1、K2…を有し、端末2とスマートフォン3との間の認証は第1プレシェア鍵PK1及び第2プレシェア鍵PK2を用いて行われ、端末2とサーバ5は、暗号鍵K1、K2…のハッシュ値をIDとして暗号鍵K1、K2…の鍵同期を行い、スマートフォン5を介した通信を行う。
【選択図】図1
Description
次に、本発明に係る通信システムの第1実施形態について説明する。図3は、第1実施形態に係る通信システム1Aの概要を示す模式図である。
次に、本発明に係る通信システムの第2実施形態について説明する。図4は、第2実施形態に係る通信システム1Bの概要を示す模式図である。
上述した各実施形態においては、端末2とサーバ5との通信をワンタイムパッドによる暗号化を用いて行っていた。しかし、本発明ではこれに限らず、AESを用いて通信を行う態様であってもよい。
2 端末
2A コントロールユニット
2B パーソナルコンピュータ
3 スマートフォン
4 携帯通信網
5 サーバ
6 量子鍵配送システム
7 自動車
21 コントロールパネル
22 ステアリング監視・制御機構
23 ディファレンシャル監視・制御機構
27 ディスプレイ
28 キーボード
29 通信ポート
61a 送信機
61b 受信機
62 光ファイバ
PK1 第1プレシェア鍵
PK2 第2プレシェア鍵
K1、K2 暗号鍵
Claims (6)
- 端末とサーバとが携帯通信機器間の通信に用いられる携帯通信網を介して通信を行う通信システムであって、
前記携帯通信機器は第1プレシェア鍵と暗号鍵を有し、
前記端末は第2プレシェア鍵を有し、
前記サーバは前記携帯通信機器が有する前記暗号鍵と同一の前記暗号鍵を有し、
前記端末と前記携帯通信機器との間の認証は前記第1プレシェア鍵及び前記第2プレシェア鍵を用いて行われ、
前記端末と前記サーバは、前記暗号鍵のハッシュ値をIDとして前記暗号鍵の鍵同期を行い、前記携帯通信機器を介した通信を行う
ことを特徴とする通信システム。 - 前記ハッシュ値はToeplitz行列によるStrongly Universal Hash Functionを用いて生成されていることを特徴とする請求項1記載の通信システム。
- 前記携帯通信機器及び前記サーバはそれぞれ同じ、複数の異なる前記暗号鍵を有し、ワンタイムパッドを用いて通信を行うとともに、前記携帯通信機器及び前記サーバの前記暗号鍵はそれぞれ量子鍵生成装置から量子鍵配送を用いて前記携帯通信機器及び前記サーバに供給されることを特徴とする請求項1又は2記載の通信システム。
- 前記携帯通信機器及び前記サーバはAES(Advanced Encryption Standard)を用いて通信を行うことを特徴とする請求項1又は2記載の通信システム。
- 前記端末は自動車のコントロールユニットであり、前記携帯通信機器はスマートフォンであり、前記通信システムは前記自動車の走行制御を行うシステムであることを特徴とする請求項1乃至4の何れか1項記載の通信システム。
- 前記端末はパーソナルコンピュータであり、前記携帯通信機器はスマートフォンであり、前記通信システムはインターネットバンキングを行うシステムであることを特徴とする請求項1乃至4の何れか1項記載の通信システム。
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JP2015220095A JP6583728B2 (ja) | 2015-11-10 | 2015-11-10 | 通信システム |
US15/347,078 US10193874B2 (en) | 2015-11-10 | 2016-11-09 | Communication system |
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JP2015220095A JP6583728B2 (ja) | 2015-11-10 | 2015-11-10 | 通信システム |
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Cited By (1)
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---|---|---|---|---|
US11218292B2 (en) * | 2016-09-05 | 2022-01-04 | Multitiv Gmbh | Secure data transmission |
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US10412581B2 (en) * | 2017-02-14 | 2019-09-10 | Ford Global Technologies, Llc | Secure session communication between a mobile device and a base station |
CN107426176B (zh) * | 2017-06-12 | 2020-02-18 | 东南大学 | 一种支持混淆和零知识的安全水下传输方法 |
CN109861956B (zh) * | 2018-10-29 | 2021-08-20 | 梁伟 | 基于状态通道的数据验证系统、方法、装置及设备 |
US11171931B2 (en) * | 2019-02-15 | 2021-11-09 | Wipro Limited | Method and system for providing a light-weight secure communication for computing devices |
CN110048833B (zh) * | 2019-03-04 | 2021-10-29 | 全球能源互联网研究院有限公司 | 基于量子卫星密钥网络的电力业务加密方法及装置 |
CN110430053B (zh) * | 2019-08-08 | 2022-05-27 | 国网安徽省电力有限公司信息通信分公司 | 一种量子密钥的分发方法、装置及系统 |
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