Patent
Identity-based key generation method and identity-based authentication method
Chunxiang Gu,Yong-hui Zheng,Liu Nan,Yuefei Zhu +3 more
- 14 Aug 2013
8
TL;DR: In this article, the authors proposed an identity-based key generation method and an identity based authentication method, which belongs to the technical field of communication and information security according to the invention, based on the identity cryptographic technique.
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Abstract: The invention relates to an identity-based key generation method and an identity-based authentication method, and belongs to the technical field of communication and information security According to the invention, based on the identity cryptographic technique, authentication and authorization to a subjective identity are realized; privacy and security of a legitimate user are ensured; the management of a key is simple; a systematical key management center is only responsible for establishing and distributing a private key for each user, and well manages a main key of a security center and a group of communal parameter files; an identity is used as a mark for realizing authentication; secure authentication can be realized only needing knowing identity marks of others, without needing exchange of public key certificates, validity verification and other related processes; and the whole process is simple and quick
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Citations
Patent
Identity registration method and system, identity authentication method and system
Wang Dejia,Guo Yu,Wang Shaofan,Peng Xiang,Lyu Mingze +4 more
- 22 Feb 2017
TL;DR: In this article, an identity registration method and system, an identity authentication method, an application server, and a user terminal are described, based on a decentralized block chain network with a distributed network framework and a consensus mechanism, the stability and the security of the identity registration are improved.
33
Patent
Digital identity-based cryptograph management method and system
Fan Xijun,Yang Guoqiang,Han Xueyang,Zhang Yutao +3 more
- 15 Feb 2017
TL;DR: In this article, the authors proposed a digital identity-based cryptograph management method and system, relating to the field of information security and solving a problem that cryptograph self-evidence is lowered after secret key hosting and the secret key in an identity based cryptograph (IBC) technology are updated.
23
Patent
Secret key negotiation method, terminal and server
Luo Hongbo
- 16 Mar 2016
TL;DR: A secret key negotiation method, a terminal and a server, is described in this article, where a terminal identification code is transmitted to the server, and the encrypted server public key information used in the encryption transmission process can be instantly generated.
2
Patent
Blind signature generation method and system based on SM2 digital signature
He Debiao,Zhang Yudi,Zhang Yubo,Chen Miwen +3 more
- 12 Oct 2018
TL;DR: In this paper, a blind signature generation method and system based on an SM2 digital signature is presented, which consists of the following steps that a signer selects a first random number k in a set {1, 2,..., n-1}, calculates a first temporary variable K and sends the K to a user; 2), the user selects two random number alpha and beta in the set { 1, 2.1,, n- 1} after receiving the K, calculates a second temporary variable k', assumes that the K' is equal to (r, r
1
Patent
Method for generating user terminal key, method for using user terminal key and equipment used for generating and using user terminal key
Gao Zhengwei,Li Zheng,Li Mengya +2 more
- 31 May 2017
TL;DR: In this paper, a method for generating a user terminal key and equipment used for generating and using a user's key is described. But the method is not suitable for the use of the user's data.
1
References
Patent
Encapsulation method and encapsulation system for certificate-based key with label
Jiguo Li,Haishan Yang,Yichen Zhang +2 more
- 27 Jun 2012
TL;DR: In this article, an encapsulation method for a certificate-based key with a label was proposed, which comprises the following steps of: generating system parameters needed in encryption and decryption; the user generating a private key and a public key of the user according to the system parameters; an authentication center centre generating a user certificate according to a user, the public key, system parameters and the own main key, and sending the certificate to the user; a sender generating symmetrically encrypted keys and internal state information according to an identity of a receiver.
11
Patent
Certificate-based forward security signature method and system thereof
Li Jiguo,Huiyun Teng,Zhang Yichen +2 more
- 16 Apr 2014
8
Patent
Identity-based threshold ring signature method
Sun Hua,Wang Aimin,Liang Yanjun,Guo Li,Hong Sun +4 more
- 10 Sep 2014
7
Patent
Secret key generating method based on identity encryption
Xizhao Luo,Ye Wang +1 more
- 26 Sep 2012
TL;DR: In this article, a secret key generating method based on identity encryption was proposed, where a user requests a secret-key distributor to generate a key according to identity (ID) and an access password.
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