The Experts below are selected from a list of 3318 Experts worldwide ranked by ideXlab platform

Zhang Guohua - One of the best experts on this subject based on the ideXlab platform.

  • accounting method accounting system voting node and accounting node under block chain voting and accounting mode
    2017
    Co-Authors: Shang Jianxiang, Wang Jiwu, Zhang Guohua
    Abstract:

    The application provides an accounting method, an accounting system, a voting node and an accounting node under a block chain voting and accounting mode. The method comprises the following steps: an accounting node sends a block to voting nodes; each voting node dynamically generates a private Key and a Public Key which are valid next time, signs the Hash value of the block with a current valid private Key to form a block Hash signature, signs the Hash value of the block with the next-time valid private Key to form a new block Hash signature, and sends the block Hash signature, a current valid Public Key and the new block Hash signature to the accounting node; the accounting node verifies whether the voting results are valid; and the voting nodes of which the voting results are valid are counted, and if the calculated number of voting nodes meets conditions, all the valid voting results are input to the block header, stored in an accounting book and sent to all other accounting nodes. After each vote, a private Key/Public Key Pair becomes invalid, and a new private Key and a new Public Key are generated. The Keys only work once, and the accounting security is improved greatly.

Suguru Yamaguchi - One of the best experts on this subject based on the ideXlab platform.

  • Towards securing inter-device communication: Applying Inter-device Authentication and Authorization Framework to Home Appliances
    2013
    Co-Authors: Manabu Hirano, Takeshi Okuda, Suguru Yamaguchi
    Abstract:

    Future networks everywhere will be connected to innumerable Internet-ready home appliances. A device accepting connections over a network must be able to verify the identity of a connecting device in order to prevent device spoofing and other malicious actions. In recent works, some major existing home network specifications consider device-specific security functions. For example, UPnP Security [1] has a sophisticated mechanism to guarantee personal ownership of a device. UPnP Security defines a special terminal device called “Security Console ” to set up security configurations on each device remotely. UPnP Security also has an inter-device authentication and authorization mechanism using a Public Key Pair, Security ID and ACL. Bluetooth [2] has a secure simple Pairing mechanism to take ownership of a device. After the taking ownership of the device, two devices generate a shared secret (called a link Key) for future mutual authentication. As mentioned above, some major specifications already consider a security mechanism for devices. We have also proposed a novel security mechanism not for human being but for devices [3]. In this report, we show a practical tiny security surveillance system for conventional home appliances to achieve our proposed inter-device authentication and authorization framework. 2 Multiple Ownership Mode

Jian Ren - One of the best experts on this subject based on the ideXlab platform.

  • generalized digital certificate for user authentication and Key establishment for secure communications
    IEEE Transactions on Wireless Communications, 2011
    Co-Authors: Lein Harn, Jian Ren
    Abstract:

    Public-Key digital certificate has been widely used in Public-Key infrastructure (PKI) to provide user Public Key authentication. However, the Public-Key digital certificate itself cannot be used as a security factor to authenticate user. In this paper, we propose the concept of generalized digital certificate (GDC) that can be used to provide user authentication and Key agreement. A GDC contains user's Public information, such as the information of user's digital driver's license, the information of a digital birth certificate, etc., and a digital signature of the Public information signed by a trusted certificate authority (CA). However, the GDC does not contain any user's Public Key. Since the user does not have any private and Public Key Pair, Key management in using GDC is much simpler than using Public-Key digital certificate. The digital signature of the GDC is used as a secret token of each user that will never be revealed to any verifier. Instead, the owner proves to the verifier that he has the knowledge of the signature by responding to the verifier's challenge. Based on this concept, we propose both discrete logarithm (DL)-based and integer factoring (IF)-based protocols that can achieve user authentication and secret Key establishment.

Shang Jianxiang - One of the best experts on this subject based on the ideXlab platform.

  • accounting method accounting system voting node and accounting node under block chain voting and accounting mode
    2017
    Co-Authors: Shang Jianxiang, Wang Jiwu, Zhang Guohua
    Abstract:

    The application provides an accounting method, an accounting system, a voting node and an accounting node under a block chain voting and accounting mode. The method comprises the following steps: an accounting node sends a block to voting nodes; each voting node dynamically generates a private Key and a Public Key which are valid next time, signs the Hash value of the block with a current valid private Key to form a block Hash signature, signs the Hash value of the block with the next-time valid private Key to form a new block Hash signature, and sends the block Hash signature, a current valid Public Key and the new block Hash signature to the accounting node; the accounting node verifies whether the voting results are valid; and the voting nodes of which the voting results are valid are counted, and if the calculated number of voting nodes meets conditions, all the valid voting results are input to the block header, stored in an accounting book and sent to all other accounting nodes. After each vote, a private Key/Public Key Pair becomes invalid, and a new private Key and a new Public Key are generated. The Keys only work once, and the accounting security is improved greatly.

Manabu Hirano - One of the best experts on this subject based on the ideXlab platform.

  • Towards securing inter-device communication: Applying Inter-device Authentication and Authorization Framework to Home Appliances
    2013
    Co-Authors: Manabu Hirano, Takeshi Okuda, Suguru Yamaguchi
    Abstract:

    Future networks everywhere will be connected to innumerable Internet-ready home appliances. A device accepting connections over a network must be able to verify the identity of a connecting device in order to prevent device spoofing and other malicious actions. In recent works, some major existing home network specifications consider device-specific security functions. For example, UPnP Security [1] has a sophisticated mechanism to guarantee personal ownership of a device. UPnP Security defines a special terminal device called “Security Console ” to set up security configurations on each device remotely. UPnP Security also has an inter-device authentication and authorization mechanism using a Public Key Pair, Security ID and ACL. Bluetooth [2] has a secure simple Pairing mechanism to take ownership of a device. After the taking ownership of the device, two devices generate a shared secret (called a link Key) for future mutual authentication. As mentioned above, some major specifications already consider a security mechanism for devices. We have also proposed a novel security mechanism not for human being but for devices [3]. In this report, we show a practical tiny security surveillance system for conventional home appliances to achieve our proposed inter-device authentication and authorization framework. 2 Multiple Ownership Mode