Registration node, member node, node registration method, node departure method and node identity authentication method
A technology for registering nodes and identity authentication, which is applied in the blockchain field, can solve problems such as communication resource waste, achieve dynamic management, avoid computing resource consumption, and solve the effects of communication resource waste
Active Publication Date: 2018-11-06
BEIJING UNIV OF POSTS & TELECOMM
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Problems solved by technology
[0015] In view of this, the purpose of the present invention is to propose a registration node and member node and a node registration, leaving, identity authentication method, utilize Bloom filter to replace digital certificate to realize identity authentication function, solve the problem that the digital certificate with too large volume is used as identity certificate The problem of wasting a lot of communication resources in a blockchain environment with multiple nodes and multiple interactions
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[0062] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below in conjunction with specific embodiments and with reference to the accompanying drawings.
[0063] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0064] Those skilled in the art will understand that unless otherwise stated, the singular forms "a", "an", "said" and "the" used herein may also include plural forms. It should be further understood that when an element is referred to as being "connected" or "coupled" to another el...
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The invention discloses a registration node, a member node, a node registration method, a node departure method and a node identity authentication method. The node identity authentication method comprises the following steps: after using a public key KB of a node B in a member group of a blockchain platform to encrypt feature information of a Bloom filter value SA comprising the node A into a ciphertext, a node A packages the ciphertext and communication data into a data packet, and then sends the data packet to the node B; after receiving the data packet, the node B decrypts the ciphertext byusing a private key KB' and maps the SA to a Bloom filter FS; and after the node A is authenticated as the node of the member group according to the mapping result, the communication data in the datapacket are processed. By application of the node identity authentication method disclosed by the invention, a digital certificate can be replaced by the Bloom filter to realize an identity authentication function, and the problem that the oversized digital certificate serving as an identity credential wastes a large amount of communication resources in a multi-node and multi-interaction blockchain environment is solved.
Description
technical field [0001] The invention relates to the technical field of block chains, in particular to a method for registering nodes, member nodes, and node registration, leaving, and identity authentication. Background technique [0002] With the popularity of Bitcoin in recent years and the birth of various new blockchain applications, blockchain has gradually become one of the hottest technologies at the moment. [0003] The authentication and management mechanism of the centralized network structure is clear and unified, and the operation is simple, so it has been widely used in the past network technology. However, the centralized processing of management and arbitration makes the work complicated. Once the central organization fails, it will cause the entire network to temporarily collapse. Therefore, in recent years, distributed network technology has begun to develop rapidly. Each node in the distributed network is an independent individual, not attached to any othe...
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IPC IPC(8): H04L29/06H04L12/18
CPCH04L12/185H04L63/0428H04L63/08H04L63/083
Inventor 杨辉张杰梁永燊郑皓炜白巍寇思琦
Owner BEIJING UNIV OF POSTS & TELECOMM